Accelerometer X, Y, Z Axis ±400g 160Hz ~ 2.56kHz 16-LGA (3x3.25) The ADXL373BCCZ-RL7 is an ultralow power, high-g digital MEMS accelerometer developed by Analog Devices for motion sensing and impact detection applications. The device is optimized for battery-powered and always-on systems requiring continuous acceleration monitoring with minimal power consumption. It supports selectable measurement ranges suitable for shock, vibration, and activity monitoring in industrial, wearable, medical, asset tracking, and IoT applications. The accelerometer integrates embedded motion detection features, a FIFO buffer, and interrupt capabilities to reduce host processor workload and overall system power consumption. Engineering Specification Device Type Ultralow power 3-axis digital MEMS accelerometer Manufacturer Analog Devices Inc. Manufacturer Part Number ADXL373BCCZ-RL7 Measurement Axes Three-axis acceleration sensing Acceleration Range Selectable full-scale ranges supporting high-g measurements up to ±400 g Output Interface SPI digital serial communication interface Resolution High-resolution digital acceleration output with integrated filtering and signal conditioning Power Supply Requirement Operates from a low-voltage DC supply suitable for portable and embedded systems Power Consumption Designed for extremely low current operation during measurement and wake-up monitoring modes Embedded Features Integrated activity detection Motion and impact sensing FIFO data buffering Interrupt generation Wake-up detection functionality Sampling and Performance Programmable output data rates and filtering options for optimized noise and bandwidth performance Operating Temperature Range Industrial temperature range suitable for harsh environmental applications Package Type LGA surface-mount package Mounting Style Surface mount technology Application Areas Impact event recording Condition monitoring Asset tracking Industrial sensing Wearable electronics Portable instrumentation Shock and vibration monitoring Always-on motion detection systems #commonpartslibrary #integratedcircuit #accelerometer #sensor

The TGS2611-C00 specification defines the engineering requirements for a semiconductor gas sensor designed for the detection of combustible gases in industrial, commercial, and embedded monitoring systems. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure accurate gas detection, stable sensing characteristics, and long-term operational reliability. The sensor is intended for use in gas leak detection equipment, safety monitoring systems, residential and commercial appliances, industrial automation, and environmental monitoring applications. It utilizes semiconductor sensing technology to detect target combustible gases with high sensitivity and repeatable performance, enabling reliable monitoring and early warning in safety-critical environments. Engineering Requirements The gas sensor shall be manufactured using qualified semiconductor sensing materials and controlled production processes to ensure consistent sensitivity, repeatability, and long-term stability. The sensing element shall maintain reliable performance under specified operating voltage, temperature, humidity, and environmental conditions. Electrical characteristics shall provide stable output response, repeatable detection performance, and predictable recovery behavior following gas exposure. The sensor shall maintain reliable operation during continuous monitoring while minimizing drift and preserving measurement consistency throughout its service life. The sensing element shall provide dependable detection of the intended combustible gases while maintaining resistance to environmental influences and normal operational contaminants. The sensor shall exhibit stable response characteristics suitable for integration with embedded control systems and gas monitoring electronics. Mechanical construction shall provide adequate protection for the sensing element while allowing sufficient exposure to the surrounding atmosphere for effective gas diffusion. The package shall withstand handling, vibration, thermal cycling, and standard assembly processes without degradation of sensing performance or structural integrity. Workmanship shall be free from defects including contamination, mechanical damage, corrosion, package deformation, or structural inconsistencies that could adversely affect sensing accuracy or reliability. 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 specifications, gas sensitivity characteristics, qualification reports, inspection records, 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 #GasSensor #CombustibleGasSensor #SemiconductorSensor #GasDetection #IndustrialSafety #EmbeddedSystems #EnvironmentalMonitoring #QualityAssurance #EngineeringDocumentation

OR Controller N+1 ORing Controller N-Channel 1:1 TSOT-23-8 The LM74700QDDFRQ1 is an automotive-qualified ideal diode controller designed to provide reverse polarity protection, reverse current blocking, and input power path management in low-voltage DC power systems. The device controls an external N-channel MOSFET to emulate an ideal diode with very low forward voltage drop and reduced power dissipation compared to conventional Schottky diodes. It is optimized for automotive and industrial applications requiring robust protection against negative supply voltages, load dump conditions, and reverse battery events. The controller supports wide input voltage operation and integrates fast response circuitry for fault handling and transient protection. The device is suitable for power OR-ing, hot-swap, redundant power supply systems, and battery-connected applications where efficiency, reliability, and thermal performance are critical. Engineering Specification Device Type Automotive ideal diode controller with reverse battery and reverse current protection Qualification Standard AEC-Q100 qualified for automotive applications Control Topology External N-channel MOSFET controller for ideal diode operation Input Voltage Range Supports wide automotive and industrial supply voltage ranges Reverse Polarity Protection Provides protection against negative input voltage conditions and reverse battery connection Reverse Current Blocking Actively prevents reverse current flow during output-to-input fault conditions Forward Voltage Drop Low conduction losses through external MOSFET control for high-efficiency power delivery Transient Protection Capable of handling automotive transient events including load dump conditions Gate Drive Control Integrated gate driver optimized for fast MOSFET switching and protection response Power Path Management Supports power OR-ing and redundant supply architectures Fault Response Fast turn-off during reverse current and fault events Current Consumption Low operating quiescent current suitable for always-on systems Thermal Performance Designed for efficient thermal operation with external MOSFET-based power dissipation Operating Temperature Range Automotive-grade extended temperature operation Package Type Small-outline automotive package suitable for compact PCB layouts #commonpartsLibrary #integratedcircuit #powermanagement #orcontroller

Polymeric PTC Resettable Fuse 60V 500 mA Ih Surface Mount 2-SMD 500mA resettable fuse pptc The SMD050F-2 is a surface-mount resettable fuse (PPTC – Polymer Positive Temperature Coefficient) designed to provide overcurrent protection in low-voltage electronic circuits. It operates by increasing its resistance significantly when excessive current flows, thereby limiting current and protecting downstream components. Once the fault condition is removed and the device cools, it automatically resets to its low-resistance state, enabling normal operation without replacement. This component is commonly used in power supply lines, USB ports, battery-powered devices, and general electronic protection applications where space-saving and reliability are important. Key Features Resettable overcurrent protection (self-recovering) Surface-mount package for compact PCB layouts Low resistance in normal operation Fast response to fault conditions Automatic reset after fault removal RoHS compliant and lead-free Electrical Characteristics Hold current: 0.5 A Trip current: 1.0 A (typical) Maximum voltage: 60 V Maximum current: 40 A (fault current rating) Initial resistance: low resistance range suitable for minimal voltage drop Resistance after trip: significantly increased to limit current Thermal Characteristics Operating temperature range: -40°C to +85°C Trip time dependent on applied current and ambient temperature Reset time dependent on cooling conditions Mechanical Characteristics Package type: Surface-mount (SMD) Compact footprint suitable for dense PCB layouts Compatible with standard reflow soldering processes Applications USB and peripheral port protection Power supply and DC line protection Battery pack protection Consumer electronics Industrial control circuits Compliance and Standards RoHS compliant Halogen-free (depending on manufacturer variant) Meets industry standards for resettable fuses #commonpartslibrary #circuitprotection #ptc #fuse

Humidity Temperature Sensor 0 ~ 100% RH I²C, SPI ±3% 1s Surface Mount #commonpartslibrary #sensor #integratedcircuit

Natural PC Test Point Brass Tin Plating Surface Mount Mounting Type SMT test point designed to provide a dedicated PCB test location for standard test probes, micro test lead clips, and hooks. It has a 1.6 × 0.8 mm footprint, 1.15 mm height, one signal contact, 3.5 A current rating, and an operating temperature range of −55°C to +125°C. #SMT #TestPoint #PCB #Harwin

JST PH Connector Header Through Hole, Right Angle 4 position 0.079" (2.00mm) The S4B-PH-K-S(LF)(SN) is a 4-position, single-row, right-angle (side-entry) male header designed for 2.0 mm pitch wire-to-board connections. It is a through-hole mounted, shrouded connector that ensures reliable and secure mating with compatible PH series housings and crimp terminals. This connector is commonly used in consumer electronics, embedded systems, power supplies, and industrial control boards, especially where space-saving and dependable connections are required. Key Features Connector Type: Shrouded male header (wire-to-board) Number of Positions: 4 pins (single row) Pitch: 2.0 mm Orientation: Right-angle (side entry) Mounting Type: Through-hole (THT) Termination: Solder Electrical Characteristics Rated Voltage: 100 V Rated Current: 2 A per contact Insulation Resistance: ≥1000 MΩ Contact Resistance: Low (typically ≤10–20 mΩ) Mechanical & Material Contact Material: Brass / phosphor bronze with tin plating Housing Material: PA66 (Nylon), UL94 V-0 flame rated Locking Mechanism: Detent lock for secure mating Shrouded Design: Prevents misalignment and protects pins Environmental Operating Temperature: −25 °C to +85 °C #CommonPartsLibrary #Connector #Header #JSTPH #MalePins #RightAngle #4pos

CH32V003 series is an industrial-grade general-purpose microcontroller designed based on QingKe RISC-V2A core, which supports 48MHz system main frequency in the product function. The series features wide voltage, single-wire serial debug interface, low-power consumption and ultra-small package. It provides commonly used peripheral functions, built-in 1 group of DMA controller, 1 group of 10-bit analog-to-digital conversion ADC, 1 group of op-amp comparator, multiple timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated operating voltage of the product is 3.3V or 5V, and the operating temperature range is -40℃～85℃ industrial- grade. #CommonPartsLibrary #Microcontroller #CH32V003A4M6

N-Channel 100 V 100A (Tc) 2.5W (Ta), 139W (Tc) Surface Mount PG-TDSON-8-7 BSC040N10NS5ATMA1 is a high-performance 100V N-Channel Power MOSFET from Infineon's OptiMOS™ 5 family. It is designed for high-efficiency switching applications such as switched-mode power supplies (SMPS), synchronous rectification, DC-DC converters, motor drives, battery-powered systems, and industrial power management. The device features extremely low on-resistance, high current capability, and excellent thermal performance, making it suitable for demanding power conversion applications. Key Features N-Channel Enhancement Mode MOSFET 100V Drain-to-Source Voltage (VDS) Ultra-low RDS(on): 4.0 mΩ max @ VGS = 10V Continuous Drain Current up to 100A (package limited) Optimized for high-performance SMPS and synchronous rectification Low gate charge for improved switching efficiency 100% avalanche tested for enhanced robustness Superior thermal resistance and power dissipation Wide operating junction temperature range: -55°C to +150°C RoHS compliant and halogen-free Compact PG-TDSON-8 / SuperSO8 package for high power density designs Typical Applications DC-DC Converters Synchronous Rectifiers Motor Control Battery Management Systems (BMS) Telecom and Industrial Power Supplies Solar Power Systems High-Current Switching Circuits #Infineon #OptiMOS5 #MOSFET #NChannelMOSFET #PowerMOSFET #100V #LowRDSon #SMPS #DCDCConverter #MotorDrive #PowerElectronics #IndustrialElectronics #BSC040N10NS5ATMA1 #HighEfficiency #SynchronousRectification

LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 8-SO-EP # AL8866QSP-13 Engineering Specifications **General Description** The AL8866QSP-13 is an automotive-qualified, multi-topology DC-switching LED controller manufactured by Diodes Incorporated. It is designed to control an external power MOSFET for high-power automotive LED lighting systems. The device supports buck, boost, buck-boost and single-ended primary-inductance converter configurations. Its wide input-voltage range makes it suitable for automotive power systems and various high-voltage LED applications. The controller uses fixed-frequency peak current-mode regulation with spread-spectrum frequency modulation to reduce electromagnetic interference. It supports both analog and pulse-width-modulation dimming through the DIM input. An integrated programmable soft-start function gradually increases the inductor and switching currents during startup to reduce output-voltage and current stress. The open-drain fault output provides system-level fault reporting for abnormal operating conditions. **Engineering Specifications** **Manufacturer:** Diodes Incorporated **Manufacturer Part Number:** AL8866QSP-13 **Component Type:** Automotive LED driver controller **Converter Topologies:** Buck, boost, buck-boost and SEPIC **Control Architecture:** Fixed-frequency peak current-mode control **External Switching Device:** External power MOSFET **Minimum Input Voltage:** Four point seven volts **Maximum Input Voltage:** Eighty-five volts **Maximum Output Voltage:** Eighty-five volts **Switching Frequency:** Four hundred kilohertz **Frequency Modulation:** Spread-spectrum modulation for reduced electromagnetic interference **LED Current Control:** External current-sense resistor and external MOSFET configuration **Feedback Voltage:** Two hundred millivolts **Typical Quiescent Current:** One point eight milliamperes **Typical Efficiency:** Up to approximately ninety-three percent, depending on the application circuit and external components **Dimming Methods:** Analog dimming and pulse-width-modulation dimming **Analog Dimming Range:** One percent to one hundred percent **Analog Dimming Dynamic Range:** Greater than one hundred to one **Pulse-Width-Modulation Dimming Ratio:** One hundred to one at a two-hundred-hertz dimming frequency **Pulse-Width-Modulation Frequency Range:** Approximately one hundred hertz to one kilohertz **Full-Brightness Current Accuracy:** Approximately plus or minus three percent **Low-Level Dimming Current Accuracy:** Approximately plus or minus twelve percent at twenty-percent dimming **Soft-Start Function:** Externally programmable **Fault Output:** Active-low open-drain fault indicator **Protection Features:** Output overvoltage protection, LED open-circuit protection, output undervoltage protection, LED short-circuit protection, cycle-by-cycle overcurrent limitation, current-sense resistor short-circuit protection, inductor and diode short-circuit detection, diode open-circuit protection and thermal shutdown **Automotive Qualification:** AEC-Q100 Grade One qualified **Automotive Documentation:** PPAP capable **Manufacturing Standard:** Manufactured in IATF-certified automotive facilities **Operating Temperature Range:** Minus forty degrees Celsius to positive one hundred twenty-five degrees Celsius **Package Type:** Thermally enhanced SO-8 exposed-pad package **Pin Count:** Eight leads with exposed thermal ground pad **Mounting Style:** Surface mount **Packing Method:** Thirteen-inch tape and reel **Standard Packing Quantity:** Two thousand five hundred components per reel **Moisture Sensitivity:** Level One **Terminal Finish:** Matte-tin-plated leads **Environmental Compliance:** Lead-free, RoHS compliant, halogen-free and antimony-free **Typical Applications** Automotive high-beam and low-beam lighting Automotive daytime running lights Automotive fog lights Automotive turn-signal lights Automotive position lights Automotive brake and stop lights High-power exterior LED lighting Multi-topology automotive LED driver modules #AL8866QSP13 #AL8866Q #DiodesIncorporated #LEDDriver #AutomotiveLED #AutomotiveElectronics #BuckConverter #BoostConverter #BuckBoostConverter #SEPICConverter #PowerElectronics #LEDLighting #ElectronicComponents #EngineeringSpecifications

1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC with 4.2 VBAT The BQ24075TRGTR (from Texas Instruments) is a highly integrated single-cell Li-Ion / Li-Polymer linear battery charger IC with power-path management. It is designed for portable and space-constrained applications, allowing a device to be powered from a USB port or AC adapter while simultaneously charging the battery. The device integrates charging control, power-path management, and safety features into a compact package. A key feature is its Dynamic Power Path Management (DPPM), which ensures the system is powered even when the battery is low or absent, while intelligently managing charging current. Key Features Battery Charging Supports single-cell Li-Ion / Li-Polymer batteries Up to 1.5 A programmable charge current Three-phase charging: Pre-charge (conditioning) Constant current Constant voltage Fixed 4.2 V charge voltage Power Path Management Dynamic Power Path Management (DPPM): Powers system and charges battery simultaneously Prioritizes system load over charging Allows system operation even with: Deeply discharged battery No battery connected Input & Power Features Operates from: USB input (100 mA / 500 mA selectable) AC adapter Programmable input current limit up to 1.5 A Input voltage range: ~4.35 V to 6.4 V (28 V max rating) Input dynamic power management (VIN-DPM) prevents source overload Protection & Safety Thermal regulation and shutdown Over-voltage protection (OVP) Short-circuit and reverse current protection Battery temperature monitoring (NTC thermistor input) Battery disconnect (SYSOFF) feature Control & Status Standalone operation (no MCU required, resistor-programmable) Charge status outputs: Charging Charge complete Power good Physical Characteristics Package: 16-pin VQFN (3 mm × 3 mm) Operating temperature: –40°C to +85°C #commonpartslibrary #integratedcircuit #powermanagement #batterycharger

Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 350mW Surface Mount SOT-23 The MMBT3904-TP is an NPN general-purpose bipolar junction transistor (BJT) in a SOT-23 surface-mount package. It is a compact SMD version of the classic 2N3904, designed for switching and low-power signal amplification in a wide range of electronic circuits. It is commonly used in embedded systems, consumer electronics, and PCB designs where small size and reliable switching performance are required. Key Features NPN Bipolar Junction Transistor (BJT) Suitable for switching and amplification applications SOT-23 Surface-Mount Package Compact footprint for high-density PCB designs Collector-Emitter Voltage (Vceo) Typically up to 40V Collector Current Up to 200 mA continuous Low Power Operation Designed for small signal and low-power switching tasks High Gain (hFE) DC current gain typically 100–300 Fast Switching Capability Suitable for digital and pulse applications Wide Operating Temperature Range Typically -55°C to +150°C High Reliability Stable performance for general-purpose use RoHS Compliant Environmentally compliant manufacturing Typical Applications Signal switching in digital circuits LED driving circuits Small relay or load switching Sensor interface circuits General-purpose amplification stages 2N3904 SOT-23 #CommonPartsLibrary #Transistor #BJT #NPN #MMBT3904

RF ANTENNA Bluetooth, Wi-Fi, WLAN, Zigbee™ Ceramic Patch Solder Surface Mount The SWLP.2450.10.4.A.02 specification defines the engineering requirements for a surface-mount radio frequency antenna designed for wireless communication applications operating within the 2.4 GHz frequency band. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure efficient RF transmission and reception, stable antenna performance, and long-term operational reliability in embedded electronic systems. The antenna is intended for use in wireless communication devices supporting technologies such as Bluetooth, Wi-Fi, Zigbee, Thread, and other 2.4 GHz ISM band protocols. It is optimized for compact PCB integration while providing efficient radiation characteristics, stable impedance matching, and dependable performance in space-constrained electronic products including IoT devices, industrial controllers, consumer electronics, and smart sensing platforms. Engineering Requirements The antenna shall be manufactured using qualified conductive and dielectric materials with controlled production processes to ensure consistent RF performance, mechanical durability, and long-term reliability. The construction shall maintain stable electrical characteristics throughout the specified operating temperature and environmental conditions. Electrical characteristics shall provide efficient radiation efficiency, stable impedance matching, low return loss, and reliable signal transmission and reception across the intended operating frequency range. The antenna shall maintain consistent performance when integrated according to the recommended PCB layout and grounding practices. The RF structure shall minimize insertion losses and support reliable wireless communication while maintaining acceptable gain, bandwidth, and radiation pattern characteristics. The antenna shall exhibit stable performance under normal operating conditions without significant degradation caused by thermal variation or environmental exposure. Mechanical construction shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. The package shall withstand vibration, thermal cycling, mechanical handling, and environmental stress without degradation of electrical or structural performance. Workmanship shall be free from defects including cracks, contamination, plating irregularities, or structural inconsistencies that could adversely affect RF performance or reliability. Inspection, validation, and testing shall be performed using calibrated RF measurement 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, RF performance specifications, impedance matching recommendations, qualification reports, inspection records, 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 #RFAntenna #WirelessCommunication #Antenna #Bluetooth #WiFi #IoT #EmbeddedSystems #QualityAssurance #EngineeringDocumentation

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

Connector Header Through Hole 5 position 0.100" (2.54mm) SWD header 1x5 2.54mm PinHeader 1x05 2.54mm horizontal The TSW-105-07-G-S is a high-reliability, through-hole, single-row pin header from Samtec’s TSW series. It is designed for board-to-board or wire-to-board interconnections in a wide range of electronic applications. Featuring a standard 2.54 mm pitch and gold-plated contacts, this connector ensures reliable electrical performance, durability, and compatibility with industry-standard mating components. Mechanical Characteristics Connector Type: Pin Header Mounting Type: Through-Hole Number of Positions: 5 Number of Rows: Single Row Pitch: 2.54 mm Orientation: Vertical Termination Style: Solder Contact Shape: Square Post Material and Plating Contact Material: Phosphor Bronze Contact Plating: Gold over Nickel Housing Material: Black Thermoplastic (UL94 V-0 rated) Electrical Characteristics Current Rating: Typically up to 3 A per contact Voltage Rating: Typically up to 500 VAC Contact Resistance: Low contact resistance for reliable signal transmission Insulation Resistance: High insulation resistance Environmental Characteristics Operating Temperature Range: -55°C to +125°C Flammability Rating: UL94 V-0 Applications Board-to-board connections Wire-to-board interfaces Prototyping and development systems Industrial and consumer electronics Compliance and Standards RoHS Compliant Lead-Free #CommonPartsLibrary #Connector #Header #TSW