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

Low power long range transceiver module, SPI and parallel interface, 915 MHz, spreading factor 6 to12, bandwith 7.8 to #RF #LoRa #STM32 #ARM #commonpartslibrary

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

1/1 Transceiver Half CANbus 8-SOIC #CommonPartsLibrary #IntegratedCircuits #Interface #Drivers #Receivers #Transceivers #65HVD230

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

I/O Expander 16 I²C 1.7 MHz 28-SPDIP #CommonPartLibrary #IntegratedCircuit #Interface #I/Oexpander

36V 3A Dual Buck Converter with I2C Interface for Automotive Power Delivery AEC-Q100 Qualified #ultralibrarian

Remote Receiver Sensor 36.0kHz 40m Through Hole #commonpartslibrary #interface #optical #sensor

Fully Integrated 802.3af/at-Compliant PoE PD Interface with Flyback/Forward Controller and 32ms Soft-Start Time #ultralibrarian

Bus Switch 1 x 8:1 24-TSSOP #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #TCA9535

MCP23017 Series 5.5 V 1.7 MHz SMT 16-Bit I2C I/O Expander - SOIC-28 #CommonPartLibrary #IntegratedCircuits #Interface

1 Circuit IC Switch 16:1 160Ohm 24-SSOP #CommonPartsLibrary #IntegratedCircuit #Interface #Analog-Switch #Multiplexer #Demultiplexer #74HC4067

I/O Expander 16 I²C 28-SSOP #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #MCP23017

Temperature Sensor Digital, Local -55°C ~ 150°C 16 b 6-WSON (2x2) The TMP117AIDRVR is a high-precision digital temperature sensor manufactured by Texas Instruments. The device provides accurate temperature measurements through an I²C-compatible digital interface and is optimized for applications requiring medical-grade accuracy, low power consumption, and compact PCB footprint. The sensor integrates a precision temperature sensing element, analog-to-digital converter, calibration memory, and digital interface into a single compact package. The device supports continuous conversion and shutdown operating modes, enabling efficient thermal monitoring in battery-powered and always-on systems. Internal calibration minimizes external component requirements while providing highly linear and repeatable temperature measurements across an extended operating range. The TMP117AIDRVR is commonly used in industrial controls, wearable electronics, healthcare equipment, environmental monitoring systems, battery management systems, consumer electronics, and precision instrumentation. Electrical Characteristics Supply voltage supports low-voltage digital systems and portable electronics applications. Ultra-low operating current enables long battery life in energy-sensitive designs. Integrated EEPROM allows programmable offset correction and configuration storage. Digital output eliminates the need for external ADC circuitry. High measurement resolution supports precision thermal monitoring applications. Low self-heating characteristics improve measurement stability and accuracy. Functional Features High-accuracy digital temperature sensing. I²C and SMBus compatible communication interface. Programmable alert functionality for thermal threshold monitoring. Continuous conversion and low-power shutdown operating modes. Integrated non-volatile memory for user configuration storage. Wide operating temperature range for industrial and commercial environments. Fast conversion timing suitable for real-time monitoring systems. Factory-calibrated performance requiring minimal external calibration. Package Information Package type is WSON with compact surface-mount footprint suitable for dense PCB layouts. Moisture-sensitive package designed for automated assembly processes. Lead-free and RoHS-compliant construction. Typical Applications Medical thermometers and patient monitoring systems. Industrial temperature monitoring equipment. Battery-powered portable electronics. HVAC and environmental sensing systems. Data acquisition and instrumentation systems. Server and embedded thermal management applications. Consumer electronics requiring precision thermal sensing. #commonpartslibrary #integratedcircuit #temperaturesensor

Dual-Channel Flash LED Driver with 2A/Ch and I2C Interface #ultralibrarian