Ultra-Low Noise Digital MEMS Microphone with PDM Output – High-performance omnidirectional MEMS microphone designed for voice assistants, smart speakers, conferencing systems, industrial voice interfaces, IoT devices, wearables, automotive applications, and embedded audio systems. Part of the Infineon XENSIV™ microphone family, it features a digital PDM output, 73 dB(A) signal-to-noise ratio (SNR), −26 dBFS sensitivity (±1 dB @ 94 dB SPL), and an acoustic overload point (AOP) of 122 dB SPL, delivering excellent speech intelligibility and high dynamic range. Operates from a 1.62 V to 3.6 V supply with 980 µA typical current consumption, supports a 20 Hz to 19 kHz frequency response, and includes multiple operating modes for power optimization. Features a bottom-port acoustic design, IP57 dust and water resistance, and AEC-Q103 qualification (on demand) for demanding environments. Housed in a compact 5-pad LLGA package (4.0 × 3.0 × 1.2 mm) and specified for operation over a −40°C to +85°C temperature range. #Infineon #IM73D122V01XTMA1 #XENSIV #MEMSMicrophone #DigitalMicrophone #PDM #VoiceInterface #SmartSpeaker #IoT #AudioProcessing #AECQ103 #EmbeddedSystems

27 Hz ~ 18 kHz Digital, I2S Microphone MEMS (Silicon) 1.62 V ~ 1.98 V Omnidirectional (-37dB ±1dB @ 94dB SPL) Solder Pads TDK InvenSense T5848 TDK T5848 is a low-noise digital MEMS microphone with a bottom-port acoustic interface and industry-standard I²S digital audio output. The device integrates a MEMS microphone element, impedance converter, ADC, decimation filtering, anti-aliasing filtering, power management, and a 24-bit digital audio interface in a compact 3.5 mm × 2.65 mm × 0.98 mm package. The T5848 supports multiple operating modes including High Quality, Low Power, Sleep, and Always-On Voice (AOV) modes, making it ideal for battery-powered and voice-activated applications. With up to 68 dBA SNR, 133 dB SPL acoustic overload point, and extended frequency response from 27 Hz to 18 kHz, the T5848 is optimized for wearables, IoT devices, smart TVs, gaming systems, teleconferencing equipment, voice assistants, and always-listening audio applications. Search Keywords: T5848, TDK T5848, MEMS Microphone, Digital MEMS Microphone, I2S Microphone, Bottom Port Microphone, Always On Voice Microphone, AOV Microphone, Low Power MEMS Microphone, Wearable Microphone, IoT Audio Sensor, Voice Recognition Microphone, Digital Audio Input, 24-bit I2S Microphone, DSP Microphone, Smart Speaker Microphone, Voice Assistant Microphone, TDK InvenSense Microphone, Teleconference Audio Microphone, Embedded Audio Sensor Hashtags: #T5848 #TDK #InvenSense #MEMSMicrophone #DigitalMicrophone #I2SMicrophone #AudioSensor #AlwaysOnVoice #VoiceRecognition #WearableElectronics #IoTDevices #EmbeddedAudio #VoiceAssistant #SmartDevices #DSP #ElectronicsDesign #PCBDesign #EmbeddedSystems #HardwareEngineering #AudioElectronics

Digital MEMS Barometric Pressure Sensor – Ultra-compact absolute MEMS barometric pressure sensor with an integrated temperature sensor and 24-bit digital output for altimeters, weather stations, GPS, drones, wearables, industrial monitoring, and IoT applications. Operates from a 1.7 V to 3.6 V supply, measures 260 hPa to 1260 hPa (26 kPa to 126 kPa) absolute pressure with ±0.5 hPa absolute accuracy, and communicates via I²C, SPI, or MIPI I3C℠ interfaces. Features low power consumption (4 µA typical at 1 Hz), embedded temperature compensation, 24-bit pressure output, integrated FIFO, programmable output data rates from 1 Hz to 200 Hz, interrupt generation, and 22,000 g shock survivability. Specified for operation over a −40°C to +85°C temperature range and housed in a 10-pin HLGA (2.0 × 2.0 × 0.73 mm) surface-mount package. #STMicroelectronics #LPS22HHTR #MEMSSensor #PressureSensor #Barometer #DigitalPressureSensor #TemperatureSensor #I2C #SPI #I3C #WeatherStation #Altimeter #EmbeddedSystems

2.4GHz -98dBm SMD,19.2x18mm RF Transceiver Modules and Modems RoHS The ESP32-WROOM-32UE-N16 is a 2.4 GHz wireless MCU module built around the ESP32 SoC. It combines a dual-core processor, integrated Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (Classic + BLE), along with rich peripherals. The “UE” variant specifically uses a U.FL / IPEX connector for an external antenna, making it ideal for applications that require better RF performance or flexible antenna placement (e.g., enclosed products or long-range communication). The “N16” indicates 16 MB external flash memory, suitable for large firmware, OTA updates, and data-heavy applications. Processing Dual-core Xtensa LX6 32-bit CPU Clock speed up to 240 MHz Memory 16 MB Flash (N16 variant) ~520 KB SRAM + 448 KB ROM Connectivity Wi-Fi: 802.11 b/g/n (up to 150 Mbps) Bluetooth: v4.2 (BR/EDR + BLE) Frequency: 2.4 GHz band Antenna External antenna via U.FL connector Better range and flexibility vs PCB antenna Interfaces / Peripherals GPIO (≈26 usable pins) UART, SPI, I2C, I2S, SDIO ADC, DAC PWM (LED & motor control) Capacitive touch sensing Security Hardware encryption: AES, SHA, RSA Secure boot & flash encryption support Power Operating voltage: 3.0V – 3.6V (typ. 3.3V) Multiple low-power modes for battery applications Environmental Operating temperature: -40°C to +85°C Physical Surface-mount module (~38 pins / 52 pads depending on reference) Compact and RF-shielded design Typical Applications Smart home devices (IoT) Industrial automation Wireless sensors and data loggers Wearables and consumer electronics Remote monitoring systems #Module #ESP32

The DW01A is a compact single-cell lithium-ion/lithium-polymer battery protection IC designed to safeguard rechargeable batteries from unsafe operating conditions such as overcharge, overdischarge, overcurrent, and short circuits. It is widely used in battery packs, power banks, TP4056 charging modules, portable electronics, and IoT devices because of its low power consumption and minimal external component requirements. Key Features Single-cell Li-ion/Li-Po battery protection Overcharge protection (typically 4.3V) Overdischarge protection (typically 2.4V) Overcurrent and short-circuit protection Ultra-low quiescent current (~3µA typical) Very low standby/discharge current Drives external dual MOSFETs for charge/discharge control Internal delay timers for noise immunity No external timing capacitors required Compact SOT-23-6 package Wide operating voltage range Automatic recovery after fault removal Typical Applications 18650 battery protection boards Power banks Bluetooth devices Wearables Portable consumer electronics DIY battery-powered projects TP4056 charging modules with protection circuitry #CommonPartsLibrary #IntegratedCircuit #PowerManagement

CONN HEADER SMD R/A 3POS 1.25mm The SM03B-GHS-TB(LF)(SN) is a 3-pin, surface-mount, right-angle header connector that mates with JST GH-series wire housings. It provides a reliable, low-profile connection between a PCB and external wires using a crimp-style mating system. It belongs to the JST GH series, known for fine-pitch, compact connectors optimized for miniaturized electronics. 3-position connector (signal/power lines) 1.25 mm pitch for high-density PCB layout Surface-mount, right-angle (horizontal) mounting Shrouded header design for secure mating and alignment Locking ramp mechanism to prevent accidental disconnection Tin-plated contacts for reliable conductivity Lead-free / RoHS compliant (LF/SN finish) Current rating: ~1 A typical Voltage rating: ~50 V Operating temperature: approx. -25 °C to +85 °C 📦 Typical Applications Consumer electronics (wearables, IoT devices) Industrial control modules Robotics and sensor interfaces Battery-powered embedded systems Compact PCB interconnect systems #CommonPartsLibrary #Connector

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-10KS is an ultra-low-power digital humidity and temperature sensor from Sensirion designed for space-constrained and battery-powered applications such as wearables, mobile devices, IoT sensors, smart home products, and environmental monitoring systems. It integrates calibrated humidity and temperature sensing elements with a digital I²C interface in a compact 2 mm × 2 mm DFN package. Key Features Measures both relative humidity and temperature Humidity accuracy of up to ±2% RH Wide humidity measurement range: 0% to 100% RH Integrated digital I²C interface Ultra-low power consumption optimized for battery-operated devices Supply voltage range: 1.62 V to 3.6 V Compact 4-pin DFN (2 × 2 mm) surface-mount package Fully calibrated and temperature compensated Fast response time suitable for real-time environmental sensing Operating temperature range: −40°C to +125°C Supports sleep and low-power operating modes for portable electronics Typical Applications Wearable devices Smartphones and tablets HVAC and smart thermostats IoT environmental monitoring Home automation systems Portable weather stations Consumer electronics #CommonPartsLibrary #Sensor

0.35 BB CONN. H=0.6 SSB6 RP REC ASSY 5050660622 is a 6-position board-to-board (mezzanine) receptacle connector from the Molex SlimStack™ Armor 505066 Series. It is designed for compact electronic devices where a very low-profile connection between two PCBs is required. The connector features a fine 0.35 mm pitch, 0.60 mm mated height, and surface-mount termination, making it suitable for smartphones, wearables, IoT devices, cameras, and other space-constrained applications. Key Features 6 circuits (contacts) for board-to-board interconnection. 0.35 mm pitch for high-density PCB designs. Ultra-low 0.60 mm mated height to minimize product thickness. 2-row connector configuration for efficient space utilization. Surface-mount (SMT) mounting for automated assembly. Armor Nail design improves solder joint strength and mechanical retention. Gold-plated contacts for reliable electrical performance and corrosion resistance. 50 V AC/DC voltage rating. Up to 0.3 A per contact current rating. Operating temperature range: -40°C to +85°C. Liquid Crystal Polymer (LCP) housing for high heat resistance during reflow soldering. 30 mating cycle durability. Typical Applications Smartphones and tablets Wearable devices Wireless modules Portable medical devices Cameras and imaging equipment Compact consumer electronics #CommonPartsLibrary #Connector

Battery Management ICs BQ25120AYFPT DSBGA-25_L2.6-W2.5-R5-C5-P0.40-BL LCSC Part Number: C2861317 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments bq25120A highly integrated low-Iq battery charge management IC for wearables and IoT devices, supports up to 300mA battery charge current, configurable 300mA buck regulator with 1.8V default output, configurable load switch or 100mA LDO output, power path management, battery voltage regulation from 3.6V to 4.65V in 10mV steps, configurable termination current down to 500µA, simple voltage-based battery monitor, push-button wake-up and reset, I2C control interface, 3.4V to 5.5V input voltage range, low quiescent current, suitable for smart watches, fitness accessories, medical wearables and rechargeable toys, 25-ball DSBGA 2.5 x 2.5mm package. Search Keywords: bq25120A, Texas Instruments bq25120A, TI bq25120A, BQ25120A battery charger, bq25120A PMIC, bq25120A wearable charger, bq25120A IoT charger, low Iq battery charger IC, integrated battery charge management IC, 300mA battery charger, power path battery charger, I2C battery charger, bq25120A buck regulator, bq25120A LDO, bq25120A DSBGA-25, bq25120A 2.5x2.5mm, bq25120A datasheet Hashtags: #bq25120A #BQ25120A #TexasInstrumentsBQ25120A #TIBatteryCharger #BatteryChargerIC #BatteryChargeManagement #WearablePMIC #IoTPMIC #LowIqCharger #PowerPathManagement #300mACharger #BuckRegulatorPMIC #I2CCharger #LiIonCharger #WearableCharger #DSBGA25 #25BallDSBGA

IC RF TxRx + MCU Bluetooth Bluetooth v5.3 2.4GHz 48-VFQFN Exposed Pad NRF52832-QFAA-R7 is an ultra-low-power wireless System-on-Chip (SoC) from Nordic Semiconductor, designed for Bluetooth Low Energy (BLE), ANT, NFC, and proprietary 2.4 GHz wireless applications. It integrates a high-performance ARM Cortex-M4F processor, memory, peripherals, and a 2.4 GHz radio into a single chip, making it ideal for IoT devices, wearables, wireless sensors, beacons, and smart peripherals. GHz protocols • 2.4 GHz transceiver • -96 dBm sensitivity in Bluetooth® low energy mode • Supported data rates: 1 Mbps, 2 Mbps Bluetooth® low energy mode • -20 to +4 dBm TX power, configurable in 4 dB steps • On-chip balun (single-ended RF) • 5.3 mA peak current in TX (0 dBm) • 5.4 mA peak current in RX • RSSI (1 dB resolution) • ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz • 215 EEMBC CoreMark® score running from flash memory • 58 μA/MHz running from flash memory • 51.6 μA/MHz running from RAM • Data watchpoint and trace (DWT), embedded trace macrocell (ETM), and instrumentation trace macrocell (ITM) • Serial wire debug (SWD) • Trace port • Flexible power management • 1.7 V–3.6 V supply voltage range • Fully automatic LDO and DC/DC regulator system • Fast wake-up using 64 MHz internal oscillator • 0.3 μA at 3 V in System OFF mode • 0.7 μA at 3 V in System OFF mode with full 64 kB RAM retention • 1.9 μA at 3 V in System ON mode, no RAM retention, wake on RTC • Memory • 512 kB flash/64 kB RAM • 256 kB flash/32 kB RAM • Nordic SoftDevice ready • Support for concurrent multi-protocol • Type 2 near field communication (NFC-A) tag with wakeup-on-field and touchto-pair capabilities • 12-bit, 200 ksps ADC - 8 configurable channels with programmable gain • 64 level comparator • 15 level low power comparator with wakeup from System OFF mode • Temperature sensor • 32 general purpose I/O pins • 3x 4-channel pulse width modulator (PWM) unit with EasyDMA • Digital microphone interface (PDM) • 5x 32-bit timer with counter mode • Up to 3x SPI master/slave with EasyDMA • Up to 2x I2C compatible 2-wire master/slave • I2S with EasyDMA • UART (CTS/RTS) with EasyDMA • Programmable peripheral interconnect (PPI) • Quadrature decoder (QDEC) • AES HW encryption with EasyDMA • Autonomous peripheral operation without CPU intervention using PPI and EasyDMA • 3x real-time counter (RTC) • Single crystal operation • Package variants • QFN48 package, 6 × 6 mm • WLCSP package, 3.0 × 3.2 mm #CommonPartsLibrary #IntegratedCircuit

InvenSense MPU-60X0 / MPU-6000 / MPU-6050 6-axis MotionTracking IMU, integrating 3-axis gyroscope, 3-axis accelerometer and Digital Motion Processor (DMP) in a compact 4 x 4 x 0.9mm QFN package. Features programmable gyroscope ranges ±250/±500/±1000/±2000 dps, programmable accelerometer ranges ±2g/±4g/±8g/±16g, 16-bit ADCs, 1024-byte FIFO, embedded temperature sensor, I2C interface up to 400kHz and SPI interface up to 1MHz/20MHz on MPU-6000, 2.375V to 3.46V supply range, designed for motion sensing, gesture control, image stabilization, navigation, wearables, smartphones, tablets and embedded motion-control applications. Search Keywords: MPU-60X0, MPU-6000, MPU-6050, InvenSense MPU-6050, InvenSense MPU-6000, 6-axis IMU, 3-axis gyroscope accelerometer, MotionTracking sensor, Digital Motion Processor, DMP IMU, I2C IMU sensor, SPI IMU sensor, MPU6050 accelerometer gyroscope, MPU6000 gyro, QFN 4x4mm IMU, motion sensor module Hashtags: #MPU60X0 #MPU6000 #MPU6050 #InvenSenseMPU6050 #IMUSensor #6AxisIMU #Accelerometer #Gyroscope #MotionTracking #DigitalMotionProcessor #DMP #I2CSensor #SPISensor #MotionSensor #QFN24

Coin, 20.0mm Lithium Manganese Dioxide 3 V Battery Non-Rechargeable (Primary) The CR2032 is a compact, coin-cell lithium battery widely used in portable electronic devices, providing long-lasting, stable power in a small form factor. It features a cylindrical shape with a flat positive terminal and a metal casing that serves as the negative terminal. Known for its high energy density and wide operating temperature range, this battery is ideal for memory backup, real-time clocks, small medical devices, remote controls, wearable electronics, and low-drain consumer electronics. Its reliability, shelf life, and lightweight design make it a standard choice for a broad range of compact electronic applications. Engineering Specifications Battery Type: Lithium Coin Cell Chemistry: Lithium Manganese Dioxide Standard Designation: CR2032 Nominal Voltage: 3 Volts Capacity: Typical Rated Capacity for Consumer Electronics Discharge Characteristics: Suitable for Low-Drain Applications Dimensions: Standard Diameter and Height for CR2032 Operating Temperature Range: Wide Range for Consumer and Industrial Use Shelf Life: Extended, Suitable for Long-Term Storage Terminals: Flat Positive Top, Metal Casing Negative Bottom RoHS Compliant: Yes Applications: Watches, Calculators, Motherboard CMOS Backup, Fitness Trackers, Remote Controls, Medical Devices, Sensors, Small Electronics #CR2032 #LithiumBattery #CoinCell #3Volt #LongLifeBattery #PortableElectronics #Wearables #ConsumerElectronics #MemoryBackup #LowDrainDevice #IndustrialElectronics #BatteryComponent #PCBDesign #CompactPower