Air Quality Sensor CO2 Sensor 2.5V/3.3V/5V 20-Pin SMD EP T/R The SCD41-D-R1 is a miniature photoacoustic carbon dioxide sensor module developed by Sensirion for high-accuracy environmental sensing applications. The device integrates a CO₂ sensing element, temperature sensor, humidity sensor, optical components, calibration memory, and digital signal processing into a compact surface-mount package suitable for embedded systems and portable electronics. The sensor utilizes photoacoustic sensing technology to provide precise carbon dioxide concentration measurements while maintaining low power consumption and long-term stability. Integrated humidity and temperature sensing capabilities enable environmental compensation and simplify system integration by reducing the need for external sensors. The SCD41 communicates through a standard I²C digital interface and supports automatic self-calibration functions for reliable long-term operation. Its compact footprint and low energy requirements make it suitable for battery-powered devices, smart building systems, HVAC equipment, indoor air quality monitoring systems, and IoT applications. The module is factory calibrated and designed for continuous monitoring of indoor air quality conditions. The integrated architecture minimizes external component requirements while enabling accurate sensing performance across a wide operating range. Key Features Photoacoustic CO₂ sensing technology Integrated temperature and humidity sensing High accuracy carbon dioxide measurement I²C digital communication interface Low power consumption operation Automatic self-calibration support Compact surface-mount package Factory calibrated output Long-term measurement stability Optimized for indoor air quality applications Low-profile PCB mounting design RoHS and halogen-free compliant Electrical Characteristics Low-voltage supply operation Low average current consumption suitable for portable devices Integrated digital signal processing Non-volatile calibration memory Standard I²C communication compatibility Stable operation across industrial environmental conditions Mechanical Characteristics Compact SMD package for space-constrained applications Surface-mount assembly compatible Low-profile package structure Integrated optical cavity and sensing chamber Moisture-sensitive device requiring controlled handling during assembly Functional Characteristics Real-time carbon dioxide concentration monitoring Simultaneous temperature and humidity measurement Automatic environmental compensation Continuous and periodic measurement modes Fast startup and measurement response Long operational lifetime with stable calibration Optimized airflow design for accurate sensing Suitable for continuous indoor environmental monitoring Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Building automation equipment Demand-controlled ventilation systems Portable environmental monitoring devices Smart home and IoT products Air purification systems Occupancy and ventilation monitoring Battery-powered sensing devices Consumer and industrial environmental monitoring equipment #commonpartslibrary #sensor #airquality

Infrared (IR), Visible Emitter 536nm, 660nm, 950nm 1.3V, 1.9V, 2.3V 40mA, 80mA, 200mA 3.7mW/sr @ 80mA 120° 8-SMD, No Lead The SFH 7018A is a high-performance 3-in-1 multi-emitter LED module from ams OSRAM designed for optical vital-sign monitoring applications. It integrates green, red, and infrared LEDs into a compact reflective QFN package optimized for wearable health devices such as smartwatches, fitness bands, pulse oximeters, and medical monitoring equipment. The device features a dual-cavity optical structure that minimizes optical interference between emitters, improving heart-rate and SpO₂ measurement accuracy. Key Features Integrated green, red, and infrared LEDs in one package Wavelengths: Green: 536 nm Red: 660 nm Infrared: 950 nm Optimized for: Heart-rate monitoring SpO₂ sensing PPG (photoplethysmography) Highly reflective QFN SMT package Advanced 2-cavity design for reduced optical crosstalk Low forward voltage operation optimized for battery-powered devices Can operate without a boost converter in many designs Wide viewing angle: 120° Surface-mount package: 8-SMD, no lead Operating temperature range: −40°C to +85°C Emitters can be driven independently Suitable for compact wearable and medical electronics #CommonPartsLibrary #LED #Infrared

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

Gas, Humidity, Pressure, Temperature Sensor Digital Output The BME690 is a compact 4-in-1 environmental sensor from Bosch Sensortec designed for advanced indoor air-quality monitoring. It integrates gas, humidity, temperature, and barometric pressure sensing into a single low-power MEMS device. The sensor is optimized for battery-powered and high-condensation environments, making it suitable for smart home, industrial, wearable, and IoT applications. Key Features 4-in-1 environmental sensing: Gas sensing Relative humidity Temperature Barometric pressure Detects: Volatile Organic Compounds (VOCs) Volatile Sulfur Compounds (VSCs) Other air-quality-related gases Supports indoor air quality (IAQ) monitoring Provides: IAQ index bVOC equivalent CO₂ equivalent outputs Improved robustness for high-condensation environments Ultra-small package: 3.0 × 3.0 × 0.93 mm 8-pin metal LGA package Low power consumption suitable for battery-powered devices Interfaces: I²C up to 3.4 MHz SPI up to 10 MHz Wide operating range: Temperature: −40°C to +85°C Humidity: 0–100% RH Pressure: 300–1100 hPa Supply voltage: VDDIO: 1.2 V to 3.6 V VDD: 1.71 V to 3.6 V Humidity accuracy: ±3% RH Temperature accuracy: ±0.5°C Pressure accuracy: ±0.5 hPa absolute Supports AI-based gas classification using Bosch BME AI-Studio Pin-compatible evolution of the BME688 platform Designed for: Smart home devices HVAC systems Air-quality mapping Food freshness monitoring Wearables Industrial sensing applications #CommonPartsLibrary #Sensor

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

Monitors & Reset Circuits TPS3808G33DRVT WSON-6_L2.0-W2.0-P0.65-TL-EP LCSC Part Number: C702176 JLCPCB Part Class: undefined Manufactured by TI(德州仪器) Texas Instruments TPS3808 low-quiescent-current voltage supervisor and reset generator, supply voltage monitoring from 0.4V to 5V, 0.5% threshold accuracy, adjustable reset delay from 1.25ms to 10s using external capacitor, open-drain RESET output, manual reset (MR) input, ultra-low 2.4µA typical quiescent current, suitable for microcontrollers, DSPs, FPGAs, ASICs, battery-powered and portable devices, operating temperature range -40°C to +125°C, available in SOT-23-6 and WSON-6 packages. Search Keywords: TPS3808, TPS3808G, Texas Instruments TPS3808, TI TPS3808, voltage supervisor, reset supervisor, reset generator, watchdog reset, power-on reset, POR supervisor, brownout detector, voltage monitor IC, microcontroller supervisor, open drain reset, adjustable reset delay, manual reset supervisor, low power supervisor, battery powered reset IC, TPS3808 datasheet, TPS3808 SOT-23-6, TPS3808 WSON-6 Hashtags: #TPS3808 #TexasInstrumentsTPS3808 #TIVoltageSupervisor #VoltageSupervisor #ResetSupervisor #ResetGenerator #PowerOnReset #BrownoutDetector #VoltageMonitorIC #MicrocontrollerSupervisor #OpenDrainReset #ManualReset #LowPowerSupervisor #BatteryPoweredDesign #SOT236 #WSON6

Micro-Fit+ Right-Angle Header, 3.00mm Pitch, Dual Row, 10 Circuits, UL 94V-0, Glow-Wire Capable Connector Header Through Hole, Right Angle 10 position 0.118" (3.00mm) The 2125281000 is a Molex Micro-Fit+ right-angle PCB header connector designed for compact and reliable wire-to-board power connections in industrial, embedded, and automotive-adjacent applications. It features a 3.00 mm pitch, dual-row 10-circuit configuration (2x5), and through-hole mounting for strong mechanical retention. The connector supports high-current applications while maintaining a compact footprint. Key Features Manufacturer: Molex Series: Micro-Fit+ MPN: 2125281000 Connector Type: Right-angle PCB header Mounting Type: Through-hole Orientation: Right-angle / side-entry Pitch: 3.00 mm Positions: 10 circuits (2x5) Current Rating: Up to 12.5 A per contact Voltage Rating: 600V AC/DC Contact Plating: Matte tin Housing Material: Glass-filled Liquid Crystal Polymer (LCP) Operating Temperature: -40°C to +105°C Shrouded Design: 4-wall shrouding for secure mating Locking Feature: Locking ramp and board lock for vibration resistance Flammability Rating: UL94 V-0 Glow-Wire Capable: Suitable for safety-focused designs Application: Power and wire-to-board connections Typical Applications Power distribution boards Embedded systems Industrial control equipment Robotics Battery-powered devices Automotive support electronics High-current peripheral connections #CommonPartsLibrary #Connector

Power Management Specialized - PMIC Automotive 2.8-V to 5.5-V PMIC The TPS6593C3A0RWERQ1 is an automotive-grade power management integrated circuit (PMIC) designed by Texas Instruments for advanced processor and system-on-chip power architectures. The device integrates multiple high-efficiency DC/DC buck converters, low-dropout regulators, power sequencing, safety monitoring, and diagnostic functions into a single compact package. It is optimized for use in automotive ADAS, digital cockpit, gateway, radar, vision, and domain controller applications requiring functional safety compliance and high power density. The device supports complex multi-rail power management for high-performance processors and includes configurable startup and shutdown sequencing, voltage monitoring, watchdog functionality, error signaling, and fault protection mechanisms. Integrated communication interfaces enable configuration and monitoring by an external host processor. The PMIC is qualified for automotive applications and supports operation across extended temperature ranges suitable for harsh automotive environments. Key Features Automotive AEC-Q100 qualified power management IC for processor power systems Integrated multi-phase step-down buck converters for high-current rails Integrated low-dropout linear regulators for analog and auxiliary rails Programmable power sequencing and rail management Functional safety support suitable for ASIL-oriented system architectures Integrated watchdog timer and safety monitoring functions Voltage supervision and fault detection for all major rails I2C and SPI communication interface support Power-good outputs and interrupt signaling Thermal shutdown and overtemperature protection Overcurrent and short-circuit protection Undervoltage and overvoltage monitoring Configurable GPIO functionality Low-power standby and sleep mode support Optimized for automotive SoCs and processors High-efficiency switching regulator architecture Compact VQFN package with thermal enhancement Electrical Characteristics Input supply voltage range supports automotive battery-powered systems Multiple programmable buck converter output voltages Integrated LDO outputs for precision analog and digital domains High switching frequency operation for reduced external component size Wide operating junction temperature range suitable for automotive environments Low shutdown current for standby operation High-current capability for processor core supplies Accurate voltage regulation and monitoring Protection and Safety Features Thermal shutdown protection Buck converter cycle-by-cycle current limiting Short-circuit protection on power rails Undervoltage lockout protection Power sequencing fault management Watchdog monitoring for processor supervision Diagnostic interrupt and fault reporting capability Safe-state transition support during fault conditions Package Information Package type: VQFN Package option: RWE Automotive-grade Q1 qualified device RoHS compliant Surface-mount package optimized for thermal performance Typical Applications Automotive domain controllers ADAS processing modules Digital cockpit systems Automotive gateway and networking platforms Radar and vision systems Processor and FPGA power management Industrial high-performance embedded systems #commonpartslibrary #integratedcircuit #powermanagement

IC RF TxRx + MCU General ISM < 1GHz Z-Wave® 863MHz ~ 870MHz, 902MHz ~ 928MHz 48-VFQFN Exposed Pad The Silicon Labs EFR32ZG23B020F512IM48-B is a 2.4 GHz–independent (sub-GHz) RF Tx/Rx + MCU SoC optimized for Z-Wave smart home and IoT mesh networks. It integrates computing, RF communication, and security features in a compact 48-pin QFN package. It is part of the EFR32ZG23 Series 2 platform, which focuses on low-power, secure, long-range wireless connectivity for smart home, building automation, and industrial IoT devices. Key Features MCU Core & Memory ARM Cortex-M33 core (up to ~80 MHz) 512 kB Flash memory 64 kB RAM RF / Wireless Z-Wave protocol support (mesh + long-range) Frequency bands: 863–870 MHz (EU) 902–928 MHz (US) Max data rate: up to 100 kbps Output power: up to +20 dBm High sensitivity: around –110 dBm Security Secure Vault™ high-level security subsystem Hardware cryptography support Secure boot and key protection (IoT-grade security) Low Power Performance Ultra-low receive and transmit currents (single-digit mA RX, tens of mA TX) Designed for battery-powered IoT nodes Peripherals & Interfaces GPIO (up to ~31 pins depending on variant) ADC, I2C, SPI, UART, I2S, IrDA Flexible digital/analog peripheral integration Package & Electrical 48-pin QFN (6 × 6 mm) Supply voltage: 1.71 V – 3.8 V Industrial temperature range: –40°C to +125°C #CommonPartsLibrary #IntegratedCircuit #RF-transceiver #EFR32ZG23B020

LED Lighting Driver ICs LED Lighting Drivers 4-Channel RGBW Driver, I2C, 1.5x1.5mm TDFN The KTD2027BEWE-TR is a highly integrated, low-power RGB LED driver designed for portable and battery-powered applications. It features a compact WLCSP package and provides precise current control for up to three LED channels. The device includes an I²C-compatible interface, enabling flexible control of brightness, color mixing, and lighting effects. Integrated features such as programmable current sinks, dimming control, and built-in protection mechanisms make it suitable for indicators, backlighting, and decorative lighting in consumer electronics. Key Features Triple-channel constant current LED driver (RGB support) I²C-compatible digital interface Independent brightness control per channel Programmable current up to ~24 mA per channel Built-in PWM dimming and pattern generation Low quiescent current for power-sensitive applications Wide input voltage range Thermal shutdown and overcurrent protection Small WLCSP package (suitable for compact designs) Applications Mobile devices and wearables Status indicators and notification LEDs Backlighting and decorative lighting IoT and portable electronics Absolute Maximum Ratings Supply Voltage (VDD): −0.3 V to +6.0 V Logic Input Voltage: −0.3 V to VDD + 0.3 V Operating Temperature Range: −40°C to +85°C Storage Temperature Range: −55°C to +150°C Recommended Operating Conditions Supply Voltage (VDD): 1.8 V to 5.5 V LED Forward Voltage: Dependent on external LEDs Ambient Temperature: −40°C to +85°C Electrical Characteristics (Typical) Supply Current (Idle): < 1 µA (shutdown mode) Channel Current Accuracy: ±5% (typical) Maximum Output Current: ~24 mA per channel I²C Clock Frequency: Up to 400 kHz (Fast Mode) Functional Description The KTD2027BEWE-TR operates as a constant-current sink driver for RGB LEDs. Each channel can be independently programmed via the I²C interface to control brightness and enable dynamic lighting effects. Internal PWM generators allow smooth dimming without requiring continuous microcontroller intervention. The device also integrates protection features such as thermal shutdown and current limiting to ensure reliable operation. Pin Configuration (Typical WLCSP) VDD – Power supply GND – Ground SDA – I²C data line SCL – I²C clock line LED1 – Current sink output (Red) LED2 – Current sink output (Green) LED3 – Current sink output (Blue) Package Information Package Type: WLCSP (Wafer-Level Chip Scale Package) Mounting: Surface mount Tape & Reel: Yes (TR suffix) Ordering Information KTD2027BEWE-TR: Tape and reel packaging for automated assembly #commonpartslibrary #integratedcircuit #leddriver