Temp Monitoring System (Sensor) -55°C ~ 125°C Internal Sensor I2C Output 8-TDFN (3x3) #commonpartslibrary #integratedcircuit #powermanagement #thermometer

QFN-68-EP(7x7) Power Management - Specialized RoHS The RK809-5 is a highly integrated Power Management Integrated Circuit (PMIC) from Rockchip designed for multi-core processor systems and embedded applications. It provides a complete power management solution by integrating multiple high-efficiency DC-DC buck converters, LDO regulators, power sequencing logic, battery fuel gauging, RTC functionality, and audio codec capabilities into a single device. The RK809-5 is commonly used alongside Rockchip SoCs in single-board computers, tablets, AIoT devices, and industrial embedded systems. Key Features Five high-efficiency synchronous buck converters with fast transient response. Nine low-dropout (LDO) voltage regulators for powering sensitive analog and digital circuits. Integrated battery fuel gauge for battery capacity monitoring. Configurable power-up and power-down sequencing (OTP programmable). Dynamic Voltage Scaling (DVS/DVFS) support via I²C interface. Integrated Real-Time Clock (RTC) with 32.768 kHz crystal oscillator support. Two integrated load switches for peripheral power control. Over-current, over-voltage, and thermal protection features. Built-in audio CODEC with headphone driver and Class-D amplifier support. Designed to minimize external component count and simplify power system design. QFN-68-EP (7 mm × 7 mm) package. #RK8095 #RK809 #Rockchip #PMIC #PowerManagementIC #BatteryManagement #AudioCodec #RTC #DVFS #EmbeddedSystems #SingleBoardComputer #IoT #IndustrialElectronics #PowerSupplyDesign #ElectronicsEngineering

RFID Transponder IC 13.56MHz ISO 14443, NFC I2C 2.7V ~ 5.5V 8-UFDFN Exposed Pad #CommonPartsLibrary #IntegratedCircuit #RF #RFID #RF-Access #Monitoring-IC #M24SR64

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

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

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

SOT-25 Current-Sensing Amplifiers ROHS Imported from Samacsys: SOT95P285X140-5N http://componentsearchengine.com/Datasheets/1/ZXCT1110W5-7.pdf LOW POWER HIGH-SIDE CURRENT MONITORS 1.4 Diodes Incorporated ZXCT1110W5-7 522-ZXCT1110W5-7 https://www.mouser.co.uk/ProductDetail/Diodes-Incorporated/ZXCT1110W5-7?qs=SmNRpHVzdgiw7jhR25zi0w%3D%3D ZXCT1110W5-7 https://www.arrow.com/en/products/zxct1110w5-7/diodes-incorporated?region=nac

Monitors & Reset Circuits LTM9100CY#PBF BGA-42_L22.0-W9.0-P1.27_LTM9100IY LCSC Part Number: C690816 JLCPCB Part Class: undefined Manufactured by Analog Devices

PMIC - Current & Power Monitors & Regulators MAX9938TEUK+T SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL LCSC Part Number: C143636 JLCPCB Part Class: undefined Manufactured by ADI(亚德诺)/MAXIM(美信)

Monitors & Reset Circuits TPS3839K33DBZT SOT-23-3_L2.9-W1.4-P1.90-LS2.5-BR LCSC Part Number: C702202 JLCPCB Part Class: undefined Manufactured by TI(德州仪器)