IXYS Integrated Circuits brings OptoMOS® technology, reliability and compact size to a new family of high-power Solid State Relays. As part of this family, the CPC1709J single-pole normally open (1-Form-A) DC Solid State Power Relay employs optically coupled MOSFET technology to provide 2500Vrms of input to output isolation. The output, constructed with an efficient MOSFET switch and photovoltaic die, uses IXYS Integrated Circuits’ patented OptoMOS architecture while the input, a highly efficient infrared LED, provides the optically coupled control. The combination of low on-resistance and high load current handling capability makes this relay suitable for a variety of high performance DC switching applications. The unique ISOPLUS-264 package pioneered by IXYS enables Solid State Relays to achieve the highest load current and power ratings. This package features a unique IXYS process where the silicon chips are soft soldered onto the Direct Copper Bond (DCB) substrate instead of the traditional copper leadframe. The DCB ceramic, the same substrate used in high power modules, not only provides 2500Vrms isolation but also very low junction-to-case thermal impedance (0.3 °C/W). Features • 22.8ADC Load Current with 5°C/W Heat Sink • Low 0.05 On-Resistance • 60VP Blocking Voltage • 2500Vrms Input/Output Isolation • Low Thermal Impedance: JC = 0.3 °C/W • Isolated, Low Thermal Impedance Ceramic Pad for Heat Sink Applications • Low Drive Power Requirements • No EMI/RFI Generation Applications • Industrial Controls / Motor Control • Robotics • Medical Equipment—Patient/Equipment Isolation • Instrumentation • Multiplexers • Data Acquisition • Electronic Switching • I/O Subsystems • Meters (Watt-Hour, Water, Gas) • Transportation Equipment #CPC1709J #IXYS #Littelfuse #SolidStateRelay #SSR #OptoMOS #PowerRelay #DCRelay #MOSFETRelay #HighCurrentSwitching #ElectricalIsolation #IndustrialElectronics #PowerManagement #BatterySystems #AutomationControl

Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (3.5x5.5) The LM5148RGYR specification defines the engineering requirements for a synchronous buck controller integrated circuit designed for high-efficiency DC-DC power conversion applications. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure reliable voltage regulation, efficient power management, and long-term operational stability in industrial, automotive, telecommunications, and embedded electronic systems. The device is intended for use in high-performance power supply designs requiring wide input voltage capability, precise output voltage regulation, and high-current conversion efficiency. It controls external power MOSFETs to implement synchronous buck converter topologies suitable for distributed power architectures, industrial automation equipment, networking infrastructure, battery-powered systems, and embedded control applications. Engineering Requirements The controller shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure stable switching performance, low power consumption, and reliable long-term operation. The device shall maintain consistent functionality under specified operating voltage, temperature, and environmental conditions. Electrical characteristics shall provide accurate pulse-width modulation control, stable output voltage regulation, fast transient response, and reliable gate drive capability for external synchronous power MOSFETs. The controller shall maintain predictable switching performance during startup, shutdown, overload, and dynamic load conditions while supporting efficient power conversion. The integrated control architecture shall provide robust regulation, protection features, and compensation capability to ensure stable converter operation across varying input voltages and output load conditions. The device shall maintain operational integrity during power sequencing and fault recovery without compromising system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical performance and reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of functionality. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect electrical or mechanical performance. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, material declarations, reliability data, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #BuckController #DCDCConverter #PowerManagement #SynchronousBuck #PowerElectronics #EmbeddedSystems #IndustrialElectronics #QualityAssurance #EngineeringDocumentation

The TPS3839G33DBZT is an ultra-low-power voltage supervisor designed to monitor system supply rails and provide reliable reset signaling for microcontrollers, processors, FPGAs, and other digital systems. The device continuously supervises the supply voltage and asserts a reset output when the monitored voltage falls below the factory-programmed threshold, ensuring proper system startup, shutdown, and fault recovery. Its low quiescent current makes it particularly suitable for battery-powered, portable, and energy-efficient applications where power consumption is critical. The device features a precision voltage monitoring architecture with a fixed reset threshold optimized for nominal logic supply rails. It provides a stable reset output with an internally defined reset timeout period, eliminating the need for external timing components. The compact package and robust noise immunity make it ideal for embedded systems, industrial controls, consumer electronics, IoT devices, medical equipment, and wireless communication platforms. Key Features Ultra-low quiescent current operation Precision fixed-voltage supervision Factory-programmed reset threshold for logic supply monitoring Active-low reset output Internal reset timeout delay High threshold accuracy over temperature Fast response to undervoltage conditions Push-pull reset output configuration No external components required for operation Compact surface-mount package Wide operating temperature range High reliability and low power consumption Applications Microcontroller reset generation Embedded control systems Battery-powered electronics Industrial automation equipment IoT and wireless sensor nodes Portable medical devices Consumer electronics Data acquisition systems Power management subsystems Communication and networking equipment Electrical Characteristics Fixed supply voltage monitoring Precision undervoltage detection Low operating current Integrated reset timing circuitry Stable reset assertion during power-up and brownout conditions Noise-tolerant voltage supervision Reliable operation across specified temperature range Package Information Surface-mount package Compact footprint for space-constrained designs RoHS-compliant construction Suitable for automated assembly processes #commonpartslibrary #integratedcircuit #powersupervisor #voltagesupervisor #resetcontroller #powermanagement #embeddedsystems #microcontroller #lowpower #batterypowered #industrialelectronics #iot #electronicsdesign #semiconductor #texasinstruments

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) Absolute 10-WFLGA The BMP581 is a high-precision digital barometric pressure sensor designed for altitude tracking, environmental monitoring, navigation, weather sensing, and industrial measurement applications. It integrates a MEMS pressure sensing element with a low-noise analog front end and digital signal processing to deliver highly accurate pressure and temperature measurements over a wide operating range. The device supports low-power operation, making it suitable for portable, battery-powered, and always-on sensing systems. The sensor communicates through standard digital interfaces and includes configurable sampling, filtering, and interrupt features for flexible system integration. Its compact package enables use in space-constrained embedded designs such as wearables, mobile devices, drones, smart home systems, IoT devices, and industrial instrumentation. Engineering Specification Device Type Digital barometric pressure and temperature sensor Manufacturer Bosch Sensortec Pressure Measurement High-resolution absolute pressure measurement with integrated temperature compensation Temperature Measurement Integrated digital temperature sensing for environmental monitoring and pressure compensation Pressure Range Wide atmospheric pressure sensing range suitable for altitude and environmental applications Interface Support I²C and SPI digital communication interfaces Supply Voltage Low-voltage operation optimized for embedded and portable systems Power Consumption Ultra-low power modes with configurable performance and sampling settings Measurement Features Oversampling support with programmable output data rate and internal filtering Accuracy High absolute and relative pressure accuracy for precise altitude estimation and environmental sensing Noise Performance Low-noise sensor architecture for stable pressure readings and improved altitude resolution Interrupt Features Configurable interrupt generation for data-ready and threshold-based events FIFO Support Integrated FIFO buffering for efficient sensor data management Operating Temperature Industrial temperature operating capability for consumer and industrial environments Package Type Compact surface-mount package optimized for small PCB footprint designs Applications Altitude tracking, indoor navigation, weather stations, drones, wearable electronics, IoT sensing, HVAC systems, industrial monitoring, and portable devices #CommonPartsLibrary #Sensor #Transducer #PressureSensor

Battery Battery Monitor IC Lithium Ion 9-DSBGA The BQ27220YZFR is a highly integrated single-cell battery fuel gauge IC developed for rechargeable lithium-ion and lithium-polymer battery applications. The device utilizes Texas Instruments’ Impedance Track™ algorithm to provide highly accurate battery capacity measurement, state-of-charge estimation, runtime prediction, and battery health monitoring across varying load and temperature conditions. The device is designed for compact portable electronics, wearable devices, IoT products, handheld instruments, and low-power embedded systems requiring precise battery monitoring and extended operating life. The BQ27220YZFR supports system-side fuel gauging without requiring battery pack-side electronics, simplifying battery integration and reducing overall system cost. The fuel gauge continuously monitors battery voltage, current, and temperature to estimate available capacity, remaining runtime, full charge capacity, and state-of-health information. Integrated low-power operation enables ultra-low standby current consumption suitable for always-on battery-powered products. Communication with the host processor is implemented through a standard I²C interface, allowing configuration access, telemetry reporting, and battery parameter monitoring. The device also integrates protection and alert functionality through programmable interrupt outputs and battery condition monitoring features. The BQ27220YZFR is optimized for use with single-cell lithium-based chemistries and supports learning cycles for adaptive battery characterization over product lifetime. Internal data flash memory stores battery profile information and calibration parameters to improve long-term gauging accuracy. The device is supplied in a compact lead-free wafer chip-scale package suitable for space-constrained PCB designs and portable electronics requiring minimal footprint and low-profile assembly. Electrical Characteristics Device Type Single-cell battery fuel gauge and battery monitor IC Battery Chemistry Support Lithium-ion and lithium-polymer rechargeable batteries Input Voltage Range Supports single-cell battery operation Fuel Gauging Method Impedance Track™ algorithm Communication Interface I²C serial interface Measurement Functions Battery voltage monitoring Battery current monitoring Battery temperature monitoring State-of-charge estimation Remaining capacity calculation Full charge capacity estimation State-of-health reporting Runtime prediction Power Consumption Ultra-low operating current for portable applications Temperature Monitoring External thermistor support Host Alert Features Interrupt and alert reporting capability Data Storage Integrated nonvolatile configuration memory Calibration Features Automatic learning and battery characterization support Protection Monitoring Battery condition and system monitoring functions Package Type DSBGA wafer chip-scale package Mounting Style Surface mount Operating Temperature Range Industrial temperature operation suitable for portable electronics Functional Features High-accuracy fuel gauging over battery lifetime Adaptive battery modeling and aging compensation Low-power operation for battery-powered systems Integrated battery profiling capability Real-time remaining runtime estimation Automatic battery learning cycles Compact PCB footprint for portable devices System-side implementation without smart battery pack requirement Programmable battery alert functionality Support for low-power embedded processors and mobile systems Optimized for wearable and IoT applications RoHS compliant and lead-free package construction #commonpartslibrary #integratedcircuit #powermanagement #batterymanagement

16 Bit Digital to Analog Converter 1 10-VSSOP The DAC80501MDGSR is a high-precision, single-channel digital-to-analog converter developed by Texas Instruments for industrial, instrumentation, and embedded control applications requiring accurate voltage output generation. The device integrates a low-drift voltage reference, precision output buffer, and serial peripheral interface communication into a compact low-power solution optimized for high-resolution signal generation. Designed for applications such as programmable power supplies, process control systems, automated test equipment, and sensor calibration, the device delivers excellent linearity, low noise performance, and stable output characteristics across varying environmental conditions. The integrated architecture minimizes external component requirements while maintaining high accuracy and long-term reliability. The converter supports rail-to-rail output operation and offers flexible reference configurations to accommodate different system architectures. Its SPI-compatible digital interface enables straightforward integration with microcontrollers, processors, and FPGA-based systems. Electrical Characteristics The device operates from a single analog supply and supports precision voltage output generation with monotonic performance across the full operating range. Integrated precision reference circuitry provides low temperature drift and stable output characteristics suitable for high-accuracy measurement and control systems. Low glitch energy, low offset error, and low gain error characteristics improve output stability during code transitions. The output amplifier is capable of driving moderate capacitive loads while maintaining signal integrity and settling performance. Interface and Control Communication is implemented through a high-speed SPI-compatible serial interface supporting standard synchronous digital communication protocols. The interface allows direct programming of DAC output codes and internal configuration registers. The device supports daisy-chain capable serial communication architecture for simplified expansion in multi-device systems. Internal registers provide control of reference operation, power management, and output configuration functions. Power Management The DAC80501MDGSR incorporates low-power operating modes intended for energy-sensitive applications. Integrated power-down functionality reduces current consumption during inactive system states while preserving configuration integrity. Internal circuitry is optimized for low quiescent current operation without compromising output precision or dynamic response performance. Package Information The device is supplied in a compact VSSOP surface-mount package suitable for space-constrained industrial and embedded designs. The package configuration supports automated assembly processes and standard PCB manufacturing techniques. Typical Applications Typical applications include industrial automation, programmable voltage sources, data acquisition systems, sensor simulation, instrumentation equipment, motor control systems, and precision calibration platforms. The device is particularly suitable for systems requiring stable and repeatable analog voltage generation with minimal external circuitry. #commonpartslibrary #integratedcircuit #analog #digital #converter

Isolation and Data Interface (Encapsulated) Pulse Transformer 1:1 Transmitter, 1:1 Receiver Surface Mount #Pulse-Transformer

Accelerometer, Gyroscope, 6 Axis Sensor I2C, I3C, SPI Output The BMI323 is a low-power, high-performance inertial measurement unit developed by Bosch Sensortec. It integrates a three-axis accelerometer and a three-axis gyroscope within a compact surface-mount package intended for motion sensing applications requiring precise movement detection, orientation tracking, vibration monitoring, and activity recognition. The device is optimized for wearable electronics, industrial sensing, robotics, navigation systems, IoT devices, and consumer electronics where low power consumption and high motion accuracy are critical. The sensor includes advanced digital signal processing, configurable motion-detection features, programmable interrupts, and integrated FIFO buffering to reduce host processor workload and improve system efficiency. Communication is supported through standard digital interfaces, enabling straightforward integration with microcontrollers and embedded platforms. The BMI323 is designed for robust environmental performance and supports flexible power management modes suitable for battery-operated systems. Engineering Specifications Device Type Six-axis inertial measurement unit consisting of: Three-axis accelerometer Three-axis gyroscope Manufacturer Bosch Sensortec Package Compact LGA surface-mount package suitable for automated assembly processes. Accelerometer Characteristics Supports multiple selectable full-scale measurement ranges for motion and acceleration sensing applications. Provides high-resolution digital output with configurable filtering and sampling parameters for low-noise operation and accurate motion analysis. Gyroscope Characteristics Integrated three-axis angular rate sensor with programmable measurement ranges and digital filtering capabilities. Designed for rotational movement tracking, stabilization, gesture recognition, and inertial navigation applications. Digital Interfaces Supports: I²C serial communication SPI serial communication I3C compatible operation Power Features Designed for ultra-low power operation with multiple configurable power modes to optimize energy consumption for portable and battery-powered devices. Embedded Features Includes integrated: FIFO data buffering Motion detection engine Activity and inactivity detection Tap and gesture detection Orientation and tilt sensing Interrupt generation Self-test functionality Output Data Handling Provides configurable output data rates, oversampling settings, and digital filtering options for balancing performance, bandwidth, and power consumption. Temperature Performance Integrated temperature sensing and compensation support for improved measurement stability across varying environmental conditions. Interrupt System Programmable interrupt outputs support event-driven system architectures and allow efficient host wake-up functionality. Operating Environment Designed for operation across industrial and consumer temperature ranges with stable sensor performance under dynamic motion conditions. Applications Suitable for: Wearable devices Smart watches Fitness trackers Industrial motion monitoring Robotics Drones Navigation systems Gaming controllers AR/VR systems IoT motion sensing Human-machine interfaces #commonpartslibrary #integratedcircuit #accelerometer #sensor

Accelerometer X, Y, Z Axis ±2g, 4g, 8g, 16g 0.5Hz ~ 625Hz 16-LGA (3x3) # LIS3DHTR ## General Description The LIS3DHTR is an ultra-low-power three-axis digital accelerometer manufactured by STMicroelectronics. It is designed to provide accurate motion, orientation, tilt, vibration, and acceleration sensing for a wide range of embedded and portable electronic applications. The device integrates advanced MEMS sensor technology, configurable measurement ranges, embedded motion-detection functions, and digital communication interfaces within a compact surface-mount package. Its low power consumption and high measurement accuracy make it suitable for wearable devices, industrial monitoring systems, asset tracking equipment, smart sensors, consumer electronics, medical devices, Internet of Things products, and battery-powered embedded systems. ## Key Features ### Sensor Architecture * Three-axis digital accelerometer * MEMS sensing technology * High-resolution motion measurement * Multi-axis acceleration detection * Real-time movement monitoring * Precision orientation sensing ### Measurement Capabilities * Motion detection functionality * Tilt sensing capability * Free-fall detection support * Vibration monitoring * Orientation recognition * Impact and shock detection * Activity and inactivity monitoring ### Electrical Characteristics * Ultra-low-power operation * Low current consumption * High measurement stability * Fast response capability * Reliable sensor performance * Optimized for battery-powered systems ### Embedded Processing Features * Integrated interrupt generation * Event detection capability * Motion recognition support * Threshold-based monitoring * Embedded motion-processing functions * Autonomous event reporting ### Communication Interfaces * SPI digital communication interface * I²C digital communication interface * Easy microcontroller integration * Reliable data transfer capability * Flexible system connectivity ### Package Characteristics * Compact surface-mount package * Low-profile design * Automated assembly compatible * High-density PCB layout support * Suitable for space-constrained applications ### Material Construction * Advanced MEMS sensor technology * High-reliability semiconductor integration * RoHS-compliant materials * Lead-free package construction * Industrial-grade manufacturing quality ### Environmental Characteristics * Long operational service life * Reliable operation under industrial conditions * Stable sensor performance over time * Resistant to mechanical stress and vibration * Suitable for continuous monitoring applications ### Application Areas * Wearable Electronics * Internet of Things Devices * Smart Sensors * Asset Tracking Systems * Industrial Monitoring Equipment * Consumer Electronics * Medical Devices * Portable Electronics * Motion Detection Systems * Vibration Monitoring Equipment * Fitness and Activity Tracking Devices * Embedded Control Systems ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade MEMS Motion Sensor Solution ## Manufacturer STMicroelectronics ## Product Family LIS3DH Three-Axis Digital Accelerometer Series #LIS3DHTR #STMicroelectronics #Accelerometer #MEMSSensor #MotionSensor #ThreeAxisAccelerometer #IoT #WearableDevices #EmbeddedSystems #IndustrialMonitoring #AssetTracking #VibrationMonitoring #ConsumerElectronics #ElectronicsEngineering #SensorTechnology

The IA611 SmartMic is an "always-on" Audio Processor featuring Voice Wake and Voice ID keyword detector, a two-second buffer', and Knowles' proven high performance acoustic SiSonic™ MEMS microphone technology in a single, miniature, top-port package. The IA611 offers flexibility by supporting the most relevant audio and data interfaces. Its integrated programmable DSP with 248 kBytes of RAM is available for customer and 3rd party algorithms, enabling unlimited creativity. The solution pushes the system performance to ultra-low power with its custom core design, and accelerates time to market with its highly integrated combination of hardware, software, and firmware.

SDRAM Memory IC 512Mbit Parallel 143 MHz 5.4 ns 54-TSOP II The AS4C32M16SB-7TCN is a single-data-rate synchronous dynamic random-access memory (SDR SDRAM) device manufactured by Alliance Memory. It is organized internally as a multi-bank array, allowing concurrent access operations across banks to improve effective memory bandwidth compared to simpler asynchronous DRAM architectures. The device is intended for general-purpose embedded memory applications where a synchronous, clock-driven memory interface is required, including embedded systems, industrial controllers, consumer electronics, networking equipment, and other designs that rely on a parallel SDRAM interface for working memory or buffering. As a drop-in style component within Alliance Memory's broader memory portfolio, this part is designed to be pin- and function-compatible with legacy SDR SDRAM devices originally offered by other manufacturers, allowing designers to source a continued-availability alternative for designs that depend on this memory architecture even as some original suppliers have discontinued production. This makes the device particularly useful in long-lifecycle industrial, embedded, and legacy system designs where a guaranteed supply of a specific memory interface and timing profile is critical to sustaining production over many years. The "B" designation in the part family indicates a specific die revision within the AS4C32M16S product line, reflecting a particular generation of internal silicon design while maintaining functional and pinout compatibility with related die revisions in the same footprint. The device communicates over a standard synchronous SDRAM command interface, using a clock-synchronized protocol for row and column addressing, data burst transfers, and bank management, and it supports the auto-refresh and self-refresh mechanisms typical of SDRAM devices to maintain stored data integrity without requiring constant external refresh management by the host controller. Mechanically, the device is housed in a thin small-outline package suited to space-constrained PCB layouts, and it is built for standard surface-mount assembly processes. The "-7TCN" suffix on this part number reflects a specific speed grade, package style, and temperature grade combination within the product family, with this particular variant intended for commercial temperature range operation. The device is supplied in tray packaging for surface-mount assembly and is compliant with RoHS material restrictions, supporting standard environmental and regulatory requirements for electronic components. Spec Sheet Identification Part Number: AS4C32M16SB-7TCN Device Family: AS4C32M16SB Manufacturer: Alliance Memory, Inc. Die Revision: B-die Functional Classification Device Type: Synchronous DRAM (SDR SDRAM) Memory Organization: Multi-bank array architecture Interface Type: Parallel, clock-synchronous command interface Refresh Capability: Supports auto-refresh and self-refresh modes Electrical Characteristics Supply Voltage: Standard 3.3V-class SDRAM supply rating Clock Frequency: Mid-range SDR SDRAM clock speed class Access Timing: Standard SDR SDRAM access time class for its speed grade Environmental & Qualification Temperature Grade: Commercial ("C" suffix designation) RoHS Compliance: Yes Product Positioning: Long-lifecycle, drop-in replacement memory device Package Package Type: Thin Small Outline Package, TSOP-II style Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tray packaging #AS4C32M16SB #AllianceMemory #SDRAM #SDRSDRAM #MemoryIC #EmbeddedMemory #TSOP #SurfaceMount #LegacyMemory #DropInReplacement #DRAM #EmbeddedSystems #IndustrialElectronics #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #MemoryComponent #PCBDesign #CommonPartsLibrary #IntegratedCircuit #Memory #AS4C32

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Through Hole The USB4960-00-C is a vertical USB Type-C® USB 2.0 receptacle connector manufactured by GCT (Global Connector Technology). It is designed for compact embedded systems, consumer electronics, industrial equipment, and IoT devices requiring a reliable USB Type-C interface for USB 2.0 data transfer and power delivery. The connector features a hybrid Surface Mount Technology (SMT) and Through-Hole (TH) shell stake design, providing excellent PCB retention and mechanical durability. It supports up to 240 W (48 V DC) power capability and is rated for 10,000 mating cycles, making it suitable for demanding applications. Key Features USB Type-C® USB 2.0 vertical receptacle 16 active contacts with 8 dummy contacts (24-position mechanical interface) Hybrid SMT signal pins with through-hole shell stakes for enhanced mechanical strength Supports up to 48 V DC and 240 W power capability Rated for 10,000 mating cycles Gold-plated copper alloy contacts for reliable electrical performance Shielded metal shell for improved EMI protection Operating temperature: -25°C to +85°C Features locating pegs, board guide, pick-and-place cap, and solder retention for automated assembly Ideal for embedded systems, industrial electronics, consumer devices, and USB charging applications. #USBTypeC #USB20 #ReceptacleConnector #VerticalConnector #SMT #ThroughHole #GCT #PowerConnector #DataConnector #PCBConnector #EmbeddedSystems #IndustrialElectronics

EEPROM Memory IC 256Kbit I2C 1 MHz 450 ns 8-SO The M24256E-FMN6TP is a 256-Kbit (32 Kbyte) I²C-compatible serial EEPROM from STMicroelectronics. It is designed for reliable, non-volatile data storage in a wide range of electronic applications including consumer, industrial, and automotive systems. The device supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I²C communication, enabling efficient data transfer. It features byte and page write operations, low power consumption, and a high endurance of write cycles, making it suitable for frequent data logging and configuration storage. Housed in a compact SO8 package, the device is optimized for space-constrained PCB designs while maintaining robust performance and data retention capabilities. Key Features Memory size: 256 Kbit (32 Kbyte) Interface: I²C (2-wire serial interface) Clock frequency: Standard mode: 100 kHz Fast mode: 400 kHz Fast-mode Plus: 1 MHz Supply voltage range: 1.7 V to 5.5 V Page write capability: up to 64 bytes Write cycle time: ~5 ms (typical) Data retention: > 200 years Endurance: > 4 million write cycles Hardware write protection available ESD protection and latch-up immunity Functional Description The device operates as a slave on the I²C bus and supports: Byte write and read Page write (up to 64 bytes) Random and sequential read operations Memory addressing is internally managed using a 16-bit address pointer, allowing access to the full 32 KB memory array. The device includes an internal write cycle controller, eliminating the need for external timing management. Pin Configuration (SO8 Package) A0, A1, A2: Device address inputs VSS: Ground SDA: Serial data line SCL: Serial clock line WC: Write control (hardware write protection) VCC: Supply voltage Absolute Maximum Ratings Supply voltage (VCC): -0.3 V to 6.5 V Input voltage: -0.3 V to VCC + 0.6 V Storage temperature: -65°C to +150°C Operating temperature (industrial grade): -40°C to +85°C Electrical Characteristics Low standby current: < 1 µA (typical) Operating current: < 1 mA Input/output compatible with CMOS logic levels Schmitt trigger inputs for noise immunity Timing Characteristics Write cycle time: 5 ms (typical) Fast-mode Plus support up to 1 MHz Sequential read supports continuous data streaming Package Information Package type: SO8 (8-lead Small Outline) Mounting: Surface-mount (SMD) Tape & reel packaging (TP suffix) Applications Configuration storage Calibration data storage Data logging systems Industrial control systems Consumer electronics Embedded systems requiring non-volatile memory Advantages High endurance and long data retention Wide voltage range (ideal for mixed-voltage systems) Compact footprint High-speed I²C compatibility (up to 1 MHz) #commonpartslibrary #integratedcircuit #memory

- ESP32-WROOM-32UE Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth® Smart Ready 4.x Dual Mode 2.4GHz Evaluation Board The ESP32-DEVKITC-32UE is a development board based on the ESP32 series SoC designed by Espressif. It is widely used for IoT, embedded systems, and wireless communication applications due to its built-in Wi-Fi and Bluetooth capabilities. Microcontroller: ESP32 dual-core Tensilica LX6 processor Wireless Connectivity: Wi-Fi (802.11 b/g/n) and Bluetooth (Classic + BLE) Flash Memory: Integrated SPI flash (varies by module version) Development Interface: USB-to-UART bridge for easy programming and debugging Power Supply: Typically powered via USB or external 5V input GPIO Pins: Multiple multifunction GPIOs supporting ADC, DAC, PWM, SPI, I2C, UART, etc. Supports deep sleep and ultra-low power modes Multiple peripheral interfaces (SPI, I2C, UART, SDMMC, PWM) Compatible with ESP-IDF, Arduino IDE, and MicroPython Built-in antenna (UE variant uses U.FL or external antenna option depending on module design) IoT devices and smart home systems Wireless sensor networks Data logging and monitoring systems Robotics and automation Embedded control systems #commonpartslibrary #developmentboard #esp32 #wroom

CAN Interface IC CAN Flexible Data Rate Transceiver #CommonPartsLibrary #IntegratedCircuit #Interface #Driver #Receiver #Transceiver #MCP2562

64 Position Female Connector PCI Express™ Gold 0.039" (1.00mm) Black The PCIE-064-02-X-D-TH is a high-density PCI Express edge connector designed for reliable board-to-board and card-to-host connections in high-speed data communication applications. Manufactured by Samtec, this connector supports PCI Express signaling standards while providing robust mechanical and electrical performance for high-frequency, high-bandwidth systems. Its through-hole mounting and dual-row design ensure secure attachment to the PCB, high mating retention, and long operational life. The connector is ideal for computer peripherals, server systems, embedded computing platforms, networking devices, and industrial electronic equipment where signal integrity, mechanical reliability, and high-density interconnects are critical. Engineering Specifications Manufacturer: Samtec Part Number: PCIE-064-02-X-D-TH Series: PCI Express Edge Connector Connector Type: Board-to-Board / Card Edge Connector Contact Configuration: Dual-Row High-Density Contacts Mounting Style: Through-Hole Contact Material: Copper Alloy Contact Finish: Gold-Plated Contact Surface Housing Material: High-Temperature Thermoplastic Signal Performance: PCI Express Standard Compliant Electrical Performance: High-Speed Data Transmission Mechanical Durability: High Mating Cycle Life Orientation: Right Angle / Standard Edge Mount Operating Temperature Range: Industrial Grade RoHS Compliant: Yes Applications: PCI Express Expansion Cards, High-Speed Computing Systems, Server and Data Center Hardware, Embedded Platforms, Networking Equipment, Industrial Computing, High-Bandwidth Digital Interfaces, Board-Level Interconnects Key Features High-density dual-row PCIe edge contacts Through-hole mounting for robust PCB attachment Gold-plated contact interface for reliable signal transmission Supports high-speed PCI Express signaling Compact, high-density design for space-constrained PCBs Long mechanical life with repeated mating cycles Compatible with standard PCI Express cards and connectors Reliable operation in industrial and commercial environments Ideal for embedded computing, server, and networking applications Ensures signal integrity for high-bandwidth data communication #PCIE06402XDTH #Samtec #PCIeConnector #EdgeConnector #BoardToBoard #HighSpeedInterconnect #HighDensityConnector #ThroughHole #IndustrialElectronics #EmbeddedSystems #ServerHardware #NetworkingEquipment #ElectronicComponents #PCBDesign #HighBandwidth #DataCommunication #PCIExpress #ExpansionCardConnector #MechanicalReliability #ElectronicInterconnect

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3.5A SOT-23-6 Thin, TSOT-23-6 The LMR51635YFDDCR specification defines the engineering requirements for a synchronous step-down DC-DC converter integrated circuit designed for high-efficiency power regulation in embedded and industrial electronic systems. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure stable voltage conversion, efficient power management, and long-term operational reliability. The device is intended for use in industrial automation, telecommunications equipment, consumer electronics, test and measurement instruments, distributed power systems, and embedded applications requiring regulated low-voltage power rails from higher-voltage DC sources. It integrates high-performance switching circuitry to provide efficient voltage conversion while minimizing external component count and overall system power loss. Engineering Requirements The DC-DC converter shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure consistent electrical performance, low power consumption, and reliable long-term operation. The device shall maintain stable functionality under specified input voltage, output load, temperature, and environmental operating conditions. Electrical characteristics shall provide accurate output voltage regulation, high conversion efficiency, low output ripple, and fast transient response during load and input voltage variations. The converter shall maintain stable switching operation while supporting continuous and dynamic power delivery with minimal performance degradation. The integrated control architecture shall ensure reliable startup, controlled shutdown, and stable operation under varying load conditions. Built-in protection mechanisms shall support safe operation during abnormal conditions, including overload, overcurrent, thermal stress, and short-circuit events, thereby enhancing overall system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical integrity and long-term reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of electrical or mechanical performance. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect device functionality or reliability. Inspection, validation, and testing shall be conducted using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #DCDCConverter #BuckConverter #PowerManagement #PowerElectronics #EmbeddedSystems #IndustrialElectronics #VoltageRegulator #QualityAssurance #EngineeringDocumentation

Thermal Image Sensor 32H x 24V TO-39 # MLX90640ESF-BAB-000-TU Engineering Specifications **General Description** The MLX90640ESF-BAB-000-TU is a contactless infrared thermal imaging sensor manufactured by Melexis. It incorporates a microbolometer array that detects infrared radiation emitted by objects and converts the captured thermal energy into temperature data, enabling the creation of thermal images without physical contact. The device is designed for compact and cost-effective thermal imaging applications, offering high thermal sensitivity and accurate temperature measurement capabilities. It integrates a digital signal-processing engine, calibration data memory, and a digital communication interface, allowing direct connection to microcontrollers, embedded systems, and industrial monitoring equipment. The sensor provides real-time thermal mapping across its field of view and is suitable for applications involving human presence detection, predictive maintenance, industrial automation, smart building systems, medical screening, consumer electronics, robotics, and thermal monitoring solutions. Its factory calibration ensures stable performance throughout its operating life while minimizing external calibration requirements. **Engineering Specifications** **Manufacturer:** Melexis **Manufacturer Part Number:** MLX90640ESF-BAB-000-TU **Component Type:** Infrared thermal imaging sensor **Sensor Technology:** Microbolometer thermal sensor array **Measurement Method:** Non-contact infrared temperature sensing **Output Type:** Digital thermal image data **Communication Interface:** I²C-compatible serial interface **Temperature Measurement Capability:** Object temperature monitoring and thermal imaging **Thermal Imaging Function:** Real-time thermal map generation **Integrated Processing:** On-chip signal processing and calibration management **Calibration:** Factory calibrated with stored calibration parameters **Power Supply Configuration:** Single-supply operation **Power Consumption:** Optimized for low-power embedded applications **Refresh Rate:** Programmable thermal frame refresh operation **Thermal Sensitivity:** High-sensitivity infrared detection **Field of View Variant:** Wide-angle thermal imaging configuration **Accuracy Characteristics:** High-precision temperature measurement with integrated compensation algorithms **Memory Features:** Internal EEPROM for calibration coefficients **Operating Mode:** Continuous and programmable thermal acquisition **Data Output Format:** Digital temperature and thermal pixel information **Environmental Stability:** Designed for reliable operation across varying ambient conditions **Electromagnetic Compatibility:** Suitable for embedded and industrial electronic systems **Package Type:** Surface-mount package with infrared-transparent window **Mounting Style:** Surface mount technology **Package Construction:** Reflow-solderable assembly **Lead Finish:** Lead-free finish **Environmental Compliance:** RoHS compliant and halogen-free **Reliability Features:** Factory-tested and production-calibrated thermal imaging device **Typical Applications** Thermal cameras Human presence detection systems Occupancy monitoring Industrial predictive maintenance Electrical equipment inspection Smart building automation HVAC monitoring systems Medical screening devices Consumer electronics Robotics and autonomous systems Fire detection and prevention systems Industrial process monitoring Energy management systems Automotive thermal sensing applications Security and surveillance equipment #MLX90640 #MLX90640ESF #Melexis #ThermalSensor #InfraredSensor #ThermalImaging #Microbolometer #TemperatureSensor #IndustrialAutomation #EmbeddedSystems #IoT #PredictiveMaintenance #SmartBuilding #ThermalCamera #ElectronicComponents #EngineeringSpecifications

Battery Multi-Function Controller IC Lithium Ion/Polymer 32-VFQFPN (5x5) L9961 is part of a complete battery pack monitoring, balancing, and protecting system for Li-Ion and Li-Polymer cells in 3, 4 or 5 series configurations. The L9961 uses a high precision ADC to provide cell voltage, stack voltage and temperature conversion via external NTC. Voltage monitoring functions are cyclically performed with a programmable loop time. Stack current is also monitored via a high accuracy CSA, continuously running and performing also Coulomb counting. Cell balancing is available and can be simultaneously activated on all cells. IC configuration and information exchange for SOC/SOH estimation are performed via I2C peripheral. The IC also integrates a dual pre-driver programmable in both HS/LS configurations for driving pack relays. L9961 also implements battery pack fuse protection to prevent fire and explosion hazards. A 3.3 V regulator with a high current capability is available for supplying pack controller and other external circuitry in both standby and normal operation modes. The IC protects the battery pack against over/under voltage conditions and monitors for over/ under temperature. It also features protection against overcurrent (both directions) and short-circuit in discharge events. Safety-relevant configurations can be stored in the internal NVM to avoid re-programming the device at each wake-up. Features • 2 μA shipment - DEEP SLEEP mode current and 5 μA standby consumption (with VREG LDO active) standby consumption (with VREG LDO active) • Integrated 3.3 V VREG LDO for supplying MCU and LEDs • Measures cell voltage (3 to 5 cells), with over/undervoltage detection and balance undervoltage protection • 12-bit voltage measurement with maximum error of ±15 mV in the [1.5 – 4.5] V range, for -40 °C < TJ < 105 °C • Measures stack voltage, with over/under voltage detection and plausibility check vs. sum of cells • Measures pack temperature via NTC, with over/undertemperature detection • Ratiometric temperature measurement with ±0.8% max. gain error in the [0.2 – VREG] V range, for -40 °C < TJ < 105 °C • Measures battery current, with Coulomb counting, overcurrent (both directions) and short-circuit in discharge protection. • 16-bit signed current measurement with 0.1% full scale error at room temperature • I 2C peripheral for device programming and data transfers over I2C bus • Cell balancing supporting up to 70 mA per cell • Dual configurable HS/LS predriver for pack relay management • Pack fuse management • Embedded NVM for configuration parameters storage • High hotplug robustness Applications • Cordless power tools • Backup energy storage systems and UPS • Light electric vehicles (e-bikes, scooters, etc.) • Portable and semi-portable equipment • Medical equipment #L9961TR #BatteryManagement #BMS #LiIonBattery #LiPoBattery #STMicroelectronics #BatteryProtection #CellBalancing #CoulombCounting #PowerManagement #EmbeddedSystems #EnergyStorage #EBike #PowerTools #ElectronicsDesign

16 Bit Digital to Analog Converter 1 40-VQFN (6x6) The DAC81416RHAT is a precision, low-power, multi-channel digital-to-analog converter designed for high-accuracy industrial and instrumentation applications. It integrates sixteen independently programmable voltage-output DAC channels with internal precision reference support, output buffering, and flexible serial communication capability. The device is optimized for systems requiring deterministic analog signal generation, high linearity, low drift, and stable long-term performance. Typical applications include automated test equipment, process control, programmable logic controllers, data acquisition systems, and closed-loop control platforms. The device supports high-resolution output generation with monotonic behavior and excellent channel-to-channel matching. Integrated diagnostic and protection features improve system reliability in harsh operating environments. The architecture is intended for dense analog output designs where low power consumption, compact footprint, and precision accuracy are critical. Engineering Specification Manufacturer: Texas Instruments Device Type: Multi-Channel Precision Voltage Output Digital-to-Analog Converter Package Type: VQFN Mounting Type: Surface Mount Channel Configuration: Sixteen independent DAC output channels DAC Resolution: High-resolution precision architecture suitable for industrial control and instrumentation systems Output Type: Buffered voltage output Interface Type: SPI-compatible serial interface Reference Support: Internal reference with external reference capability Power Supply Operation: Single-supply analog and digital operation Output Characteristics: Rail-to-rail capable buffered analog outputs with low glitch energy and fast settling behavior Linearity Performance: High integral and differential linearity with monotonic output behavior across full operating range Noise Performance: Low output noise and low temperature drift for precision signal generation Update Capability: Simultaneous and asynchronous channel update support Calibration Features: Integrated gain and offset correction support Diagnostic Features: Communication integrity monitoring and fault detection capability Industrial Features: Designed for precision automation, process control, programmable instrumentation, and multi-channel analog control systems Temperature Range: Industrial operating temperature range Protection Features: Robust serial interface handling and stable output drive architecture for industrial environments Applications: Industrial automation, programmable power control, automated test equipment, data acquisition systems, instrumentation, and closed-loop analog control platforms #commonpartslibrary #integratedcircuit #analog #digital #converter

4/4 Transceiver Full MII, RMII 32-VQFN (5x5) ## Engineering Specification ## General Description The **LAN8770M-I/PRA** is a Microchip Technology single-port **100BASE-T1 Ethernet physical layer transceiver** designed for automotive, industrial, and embedded networking applications. It provides Ethernet communication over a single balanced twisted pair and is suitable for compact systems requiring reliable network connectivity, low-power operation, and standard MAC interface support. The device is commonly used in automotive electronic control units, infotainment systems, telematics modules, sensor nodes, industrial control systems, and embedded Ethernet hardware. ## Device Identification Manufacturer Part Number: **LAN8770M-I/PRA** Manufacturer: **Microchip Technology** Product Family: **LAN8770** Device Category: **Integrated Circuit** Device Type: **Ethernet PHY Transceiver** Ethernet Standard: **100BASE-T1** Interface Type: **MII and RMII** Mounting Type: **Surface Mount** Package Type: **VQFN** ## Functional Description The device functions as an Ethernet physical layer transceiver that connects a host controller or microcontroller MAC interface to a single-pair Ethernet physical medium. It handles the analog and digital PHY functions required for 100BASE-T1 communication, allowing embedded systems to transmit and receive Ethernet data over a single twisted pair cable. ## Network and Interface Description The **LAN8770M-I/PRA** supports 100 Mb/s single-pair Ethernet communication and provides MII and RMII host interface options. This allows integration with microcontrollers, processors, gateways, and network controllers that support standard Ethernet MAC interfaces. The device is intended for applications where compact Ethernet connectivity and reduced cabling complexity are required. ## Electrical Description The device is designed for low-voltage operation and supports multiple supply domains according to the manufacturer’s recommended operating conditions. Proper power sequencing, decoupling, reset handling, clocking, and reference layout should be implemented to maintain stable PHY operation and signal integrity. ## Package and Mechanical Description The component is supplied in a compact surface-mount **VQFN package**, suitable for dense printed circuit board assemblies. The package supports automated assembly and is appropriate for space-constrained automotive and industrial electronic designs. ## Control and Diagnostic Description The PHY supports management and configuration through standard control interfaces used in Ethernet designs. It provides status monitoring and configuration capability for link management, operating mode selection, and system-level diagnostics. These features allow the host controller to configure and monitor Ethernet link behavior during operation. ## Automotive and Industrial Suitability The **LAN8770M-I/PRA** is suitable for embedded systems requiring robust single-pair Ethernet communication. It is applicable to automotive networking, telematics, infotainment, advanced driver assistance systems, industrial Ethernet nodes, building automation, control modules, and other connected embedded platforms. ## Mounting and Assembly Description The component is intended for surface-mount PCB assembly using standard reflow soldering processes. PCB layout should follow Microchip’s hardware design guidance, including proper power supply decoupling, controlled impedance routing, short signal paths, grounding, and separation of sensitive analog and digital sections where applicable. ## Design Considerations The design should account for Ethernet signal integrity, single-pair cable interface requirements, common-mode noise control, EMC performance, supply filtering, oscillator or clock source requirements, reset timing, thermal performance, and package solderability. The device should not be operated beyond the manufacturer’s specified electrical, thermal, or mechanical limits. ## Application Suitability The device is suitable for automotive Ethernet nodes, electronic control units, telematics modules, infotainment systems, sensor interfaces, industrial controllers, embedded gateways, connected equipment, and compact network-enabled hardware requiring 100BASE-T1 Ethernet PHY functionality. ## Hashtags #commonpartslibrary #integratedcircuit #ethernetphy #microchip #microchiptechnology #lan8770 #lan8770mipra #singlepairethernet #100baset1 #automotiveethernet #ethernettransceiver #phytransceiver #embeddednetworking #mii #rmii #vqfnpackage #smdcomponent #surfacemount #automotiveelectronics #industrialethernet #telematics #infotainment #embeddedhardware #pcbdesign #hardwaredesign #electronicscomponents #electronicparts #componentlibrary #engineeringparts #electronicsengineering

Accelerometer X, Y, Z Axis ±2g, 4g, 8g 6.25Hz ~ 200Hz 12-LGA (2.2x2.3) The ADXL367BCCZ-RL7 is an ultra-low power, three-axis MEMS accelerometer developed by Analog Devices for motion sensing applications requiring extremely low energy consumption and high measurement stability. The device integrates precision acceleration sensing, embedded motion detection capabilities, and intelligent power management features within a compact surface-mount package suitable for portable and battery-operated systems. The accelerometer supports both I²C and SPI digital communication interfaces, enabling flexible integration with embedded processors, microcontrollers, and sensor hubs. Its architecture is optimized for continuous motion monitoring while maintaining exceptionally low current consumption, making it ideal for wearable electronics, asset tracking devices, medical monitoring equipment, industrial sensing systems, and Internet of Things platforms. The device incorporates embedded activity, inactivity, and wake-up detection functions that allow host processors to remain in low-power states until significant motion events occur. Integrated FIFO buffering and programmable interrupt functionality reduce processor overhead and improve overall system efficiency. The ADXL367BCCZ-RL7 is designed for robust operation across a wide operating temperature range and maintains high measurement accuracy with low noise and excellent long-term stability. The compact LGA package enables dense PCB layouts for space-constrained designs. Key Features Motion Sensing Three-axis digital accelerometer Selectable acceleration measurement ranges High-resolution motion detection Low noise sensing architecture Integrated temperature sensor Power Management Ultra-low power operation optimized for battery-powered systems Multiple operating and standby modes Autonomous motion-triggered wake-up capability Efficient duty-cycling support Digital Interfaces Supports SPI communication Supports I²C communication Programmable interrupt outputs Embedded FIFO data buffering Embedded Detection Functions Activity detection Inactivity detection Motion-triggered interrupt generation Autonomous wake-up monitoring Mechanical and Environmental Compact LGA surface-mount package High shock tolerance Wide operating temperature capability Suitable for portable and industrial environments Electrical Characteristics Supply Requirements Low-voltage digital supply operation Optimized for low-current embedded systems Stable operation across supported voltage range Sensor Performance High sensitivity stability Low offset drift Low output noise density Configurable output data rates Communication and Control Supported Interfaces SPI serial interface I²C serial interface Programmability Configurable measurement ranges Adjustable output data rates Programmable interrupt mapping FIFO configuration support Package Information Package Type LGA surface-mount package Mounting PCB surface mount compatible Suitable for automated assembly processes Typical Applications Wearable electronics Health and fitness monitoring Portable instrumentation Asset and condition monitoring Industrial sensing systems IoT sensor nodes Motion-activated devices Battery-powered embedded systems #commonpartslibrary #integratedcircuit #accelerometer #sensor

Data Transport Interface 16-WQFN (4x4) #CommonPartsLibrary #IntegratedCircuit #Interface #LMH0344

Ethernet Controller 10/100 Base-T/TX Bus Interface 80-TQFP-EP (12x12) The LAN9254-I/JRX is an EtherCAT SubDevice (slave) controller developed by Microchip Technology, designed to serve as the communication backbone for industrial automation devices participating in an EtherCAT network. The device integrates dual Ethernet physical layer transceivers directly on-chip, eliminating the need for external PHY components and simplifying the design of EtherCAT-enabled equipment such as servo drives, sensors, I/O modules, and other field devices used in real-time industrial control systems. Architecturally, the controller can operate as either a two-port or three-port node, depending on the network topology required. In its standard configuration it functions as a two-port device supporting daisy-chain connections typical of EtherCAT line topologies. When configured as a three-port device, it gains an additional management interface port that can connect to an external PHY or to another LAN9254, enabling star or tree network topologies and allowing the device to act as a branching point within a larger EtherCAT installation. Each integrated Ethernet PHY operates in full-duplex mode and supports automatic crossover detection, so the device can use either straight-through or crossover cabling without requiring manual configuration. Beyond pure protocol handling, the LAN9254 includes a substantial set of general-purpose digital input and output lines, allowing it to be used in simple field devices without requiring a separate microcontroller. For more complex applications, the device communicates with an external host processor through an integrated host bus interface that behaves like simple memory-mapped SRAM, supporting both 8-bit and 16-bit data widths along with multiple byte-ordering conventions, which makes it straightforward to interface with a wide range of microcontroller and microprocessor architectures. Internally, dual process data RAM buffers manage the exchange of real-time process data between the host application and the EtherCAT communication engine, while a dedicated interrupt line notifies the host of relevant internal events. A key feature of the device is its built-in distributed clock mechanism, which provides high-precision timing synchronization across all nodes in an EtherCAT network. This capability is essential for motion control and other applications where multiple devices must act in tight temporal coordination. The controller also provides configurable status indication through standard network activity and link LEDs, along with optional error and run-state indicators that give visibility into the health and operational state of the device at a glance. Power architecture on the LAN9254 is simplified through an integrated linear regulator, allowing the device to be operated from a single primary supply rail while internally generating the lower voltage needed for its core logic. This reduces the external power supply complexity that would otherwise be required to support separate core and I/O voltage domains. The "-I" designation on this particular part number indicates an industrial-grade temperature rating, making it suitable for deployment in factory floor and other demanding industrial environments where extended thermal range and long-term reliability are required. The device is housed in a surface-mount package consistent with dense industrial control board layouts and is compliant with RoHS material restrictions. Spec Sheet Identification Part Number: LAN9254-I/JRX Device Family: LAN9254 Manufacturer: Microchip Technology Functional Classification Device Type: EtherCAT SubDevice (slave) controller Network Role: Two/three-port configurable node Integrated PHYs: Dual Ethernet physical layer transceivers, on-chip Auto-MDIX Support: Yes, supports direct and crossover cabling Communication & Protocol Features Protocol: EtherCAT Topology Support: Daisy-chain (line), star, and tree topologies Additional Port Mode: Optional third port for branching/tap configurations Clock Synchronization: Integrated distributed clock for high-precision timing Host Interface Interface Type: SRAM-like host bus interface Data Width Support: Selectable bit-width host bus operation Endianness Support: Multiple byte-ordering modes Process Data Handling: Dual process data RAM buffers Interrupt Support: Configurable host interrupt line Digital I/O General-Purpose I/O: Integrated digital I/O lines for microcontroller-less operation Standalone Mode: Supports operation without external microcontroller for simple device designs Power Architecture Supply Configuration: Single primary supply rail Internal Regulation: Integrated linear regulator for core voltage generation Status Indication LED Support: Standard run and link/activity indicators per port Optional Indicators: Configurable error and run-state status indicators Environmental & Qualification Temperature Grade: Industrial ("-I" suffix) RoHS Compliance: Yes Package Package Type: Surface-mount, quad flat package style Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel, per part suffix designation #LAN9254 #Microchip #EtherCAT #SlaveController #SubDeviceController #IndustrialEthernet #IndustrialAutomation #MotionControl #EmbeddedSystems #FieldDevice #DigitalIO #HostBusInterface #DistributedClock #TQFP #RoHSCompliant #IndustrialGrade #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #SemiconductorIC