Sensors

Battery Management ICs BQ27441DRZT-G1B SON-12_L4.0-W2.5-P0.40-BL-EP LCSC Part Number: C544786 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments bq27441-G1 system-side Impedance Track battery fuel gauge for single-cell Li-Ion batteries, supports embedded or removable battery packs, powered directly from battery with integrated LDO, uses low-value 10mΩ external sense resistor, reports remaining capacity, state-of-charge, state-of-health and battery voltage, automatically compensates for battery aging, self-discharge, temperature and rate changes, supports 400kHz I2C interface, configurable SOC interrupt or low battery warning output, internal temperature sensor or host-reported temperature, compact 12-pin VSON 2.5 x 4.0mm package. Search Keywords: bq27441-G1, BQ27441-G1, Texas Instruments bq27441-G1, TI bq27441-G1, bq27441 fuel gauge, bq27441-G1 fuel gauge, single cell Li-Ion fuel gauge, battery fuel gauge IC, Impedance Track fuel gauge, system side fuel gauge, I2C battery fuel gauge, SOC battery monitor, SOH battery monitor, Li-Ion battery monitor IC, bq27441-G1 VSON-12, 2.5x4.0mm fuel gauge, bq27441-G1 datasheet Hashtags: #bq27441G1 #BQ27441G1 #TexasInstrumentsBQ27441 #TIFuelGauge #BatteryFuelGauge #LiIonFuelGauge #SingleCellFuelGauge #ImpedanceTrack #SystemSideFuelGauge #BatteryMonitorIC #SOCMonitor #SOHMonitor #I2CFuelGauge #400kHzI2C #LowBatteryWarning #VSON12 `#25x40mmPackage

ESP32-C3FN4 QFN-32_L5.0-W5.0-P0.50-BL-EP3.7 LCSC Part Number: C2848860 JLCPCB Part Class: Extended Part Manufactured by ESPRESSIF(乐鑫) Espressif ESP32-C3FN4 2.4GHz Wi-Fi 802.11b/g/n and Bluetooth 5.0 LE wireless SoC, RISC-V single-core microcontroller, integrated 4MB flash memory, 2.402GHz to 2.48GHz RF transceiver, antenna not included, surface-mount package, suitable for IoT devices, wireless sensors, smart home, BLE and Wi-Fi embedded applications. Search Keywords: ESP32-C3FN4, Espressif ESP32-C3FN4, ESP32 C3FN4, ESP32-C3 4MB flash, ESP32-C3 WiFi Bluetooth SoC, ESP32-C3FN4 RF transceiver, ESP32-C3FN4 Bluetooth 5.0, ESP32-C3FN4 WiFi 802.11bgn, ESP32-C3FN4 SMD, ESP32-C3FN4 DigiKey, ESP32-C3FN4 datasheet, 1904-ESP32-C3FN4TR-ND, 1904-ESP32-C3FN4CT-ND, ESP32-C3 RISC-V SoC Hashtags: #ESP32C3FN4 #ESP32C3 #EspressifESP32C3 #EspressifSystems #WiFiBluetoothSoC #WiFiSoC #BluetoothLESoC #BLE5 #80211bgn #RISCVMicrocontroller #4MBFlash #RFTransceiver #24GHzWiFi #IoTSoC #WirelessMCU

Humidity Sensors/Temperature and Humidity Sensors SHT31-DIS-F2.5kS DFN-8_L2.5-W2.5-P0.50-BL-EP LCSC Part Number: C453460 JLCPCB Part Class: Extended Part Manufactured by Sensirion(瑞士盛思锐) Sensirion SHT3x-DIS digital humidity and temperature sensor, fully calibrated and temperature-compensated digital output, 2.15V to 5.5V supply voltage range, I2C interface up to 1MHz with two user-selectable addresses, typical accuracy up to ±1.5%RH and ±0.1°C for SHT35, NIST traceability, fast start-up and measurement time, integrated RH and temperature sensing, tiny 8-pin DFN package with 2.5 x 2.5mm footprint and 0.9mm height. Search Keywords: SHT3x-DIS, Sensirion SHT3x-DIS, SHT30-DIS, SHT31-DIS, SHT35-DIS, SHT3x humidity sensor, Sensirion humidity temperature sensor, digital humidity sensor, digital temperature sensor, I2C humidity sensor, I2C temperature sensor, SHT35 high accuracy sensor, SHT3x DFN-8, 2.5x2.5mm humidity sensor, CMOSens humidity sensor, SHT3x-DIS datasheet Hashtags: #SHT3xDIS #SHT30DIS #SHT31DIS #SHT35DIS #SensirionSHT3x #SensirionSensor #HumiditySensor #TemperatureSensor #HumidityTemperatureSensor #DigitalHumiditySensor #I2CSensor #CMOSensSensor #DFN8Sensor #25x25mmSensor #HighAccuracyHumiditySensor #NISTTraceableSensor

ESP32-S3-WROOM-1-N8 is a high-performance Wi-Fi and Bluetooth Low Energy (BLE) module from Espressif Systems. It is built around the ESP32-S3 SoC, featuring a dual-core Xtensa LX7 processor, integrated 2.4 GHz Wi-Fi and Bluetooth 5 LE connectivity, 8 MB SPI flash memory, and a PCB antenna. The module is optimized for AIoT, edge computing, human-machine interfaces, smart devices, and industrial IoT applications. Key Features Dual-core Xtensa® LX7 CPU running up to 240 MHz for high-performance embedded applications. 8 MB onboard SPI Flash (N8 variant) for firmware and data storage. 2.4 GHz Wi-Fi (802.11 b/g/n) with data rates up to 150 Mbps. Bluetooth 5 LE support including: Long Range mode 2 Mbps PHY Bluetooth Mesh Extended Advertising AI acceleration support through ESP32-S3 vector instructions for machine learning and signal-processing workloads. USB 1.1 OTG and USB Serial/JTAG integrated, simplifying debugging and USB device applications. Up to 45 GPIOs with extensive peripheral support: SPI I²C I²S UART PWM ADC Touch Sensors TWAI® (CAN-compatible) Camera Interface LCD Interface SDIO Host MCPWM Integrated 40 MHz crystal oscillator, RF matching circuitry, and PCB antenna for reduced external component count. Operating voltage range: 3.0 V to 3.6 V. Compact surface-mount module suitable for space-constrained designs. Typical Applications Smart home and home automation devices HMI displays and touchscreen products Voice recognition and audio processing Edge AI and machine learning applications Industrial IoT gateways and sensors Video streaming and camera systems USB-connected embedded devices Smart agriculture and healthcare equipment N8 specifically indicates 8 MB Flash and no PSRAM, making it a good choice for applications requiring substantial program storage but not large external RAM. #RF-transceiver #Module #ESP32

ESP32-S3-MINI-1-N8 is a compact, low-power Wi-Fi and Bluetooth module from Espressif Systems based on the ESP32-S3 SoC. It integrates a dual-core Xtensa LX7 processor, 8 MB flash memory, crystal oscillator, RF matching circuitry, and a PCB antenna in a small SMD package, making it ideal for IoT devices, smart home products, industrial automation, HMI applications, AIoT edge devices, and USB-connected embedded systems. Key Features Dual-core 32-bit Xtensa LX7 CPU Up to 240 MHz operating frequency Includes single-precision floating-point unit (FPU) for enhanced processing performance. Integrated Memory 8 MB Quad SPI Flash (N8 variant) 512 KB SRAM 384 KB ROM 16 KB RTC SRAM. Wireless Connectivity 2.4 GHz Wi-Fi 4 (802.11 b/g/n) Data rates up to 150 Mbps Bluetooth 5 LE with Bluetooth Mesh support Simultaneous Wi-Fi and Bluetooth operation through an integrated coexistence mechanism. Rich Peripheral Set Up to 39 GPIOs USB 2.0 OTG USB Serial/JTAG SPI, I²C, I²S, UART PWM, MCPWM SDIO Host ADC Touch sensing Temperature sensor TWAI® (CAN 2.0 compatible) Timers and watchdogs. Integrated Components On-board 40 MHz crystal oscillator PCB antenna RF matching network Compact certified module design. Operating Conditions Supply voltage: 3.0 V to 3.6 V Operating temperature: −40°C to +85°C. Compliance RoHS and REACH compliant RF-certified module for simplified product development. #RF_transceiver #Module #Esp32

ACS770LCB-250U part number not available / not found. Use ACS772ECB-250U-PFF-T instead: Allegro ACS772ECB-250U-PFF-T high-accuracy galvanically isolated Hall-effect current sensor IC, 250A unidirectional current range, 5V supply operation, 200kHz bandwidth, 2.5µs typical output response time, 100µΩ internal current conductor, reinforced galvanic isolation, low power loss, analog voltage output proportional to AC or DC current, 5-pin CB package with PFF leadform. Search Keywords: ACS772ECB-250U-PFF-T, Allegro ACS772ECB-250U-PFF-T, ACS772 250A current sensor, ACS772ECB 250U, ACS772ECB-250U, ACS772 Hall effect current sensor, isolated current sensor 250A, galvanically isolated current sensor, 5V current sensor, 200kHz current sensor, ACS770LCB-250U replacement, ACS770 alternative, Allegro current sensor Hashtags: #ACS772ECB250UPFFT #ACS772ECB250U #ACS772 #AllegroACS772 #AllegroCurrentSensor #HallEffectCurrentSensor #IsolatedCurrentSensor #GalvanicallyIsolatedSensor #250ACurrentSensor #5VCurrentSensor #200kHzCurrentSensor #ACS770Replacement #CurrentSensorIC

ESP32-C3-MINI-1-H4 is a compact, low-power wireless module from Espressif Systems built around the ESP32-C3 SoC. It integrates a 32-bit RISC-V processor, 2.4 GHz Wi-Fi, Bluetooth 5 LE, onboard 4 MB flash memory, crystal oscillator, RF matching circuitry, and a PCB antenna in a small surface-mount package. The module is designed for IoT devices, smart home products, industrial automation, wearable electronics, and wireless sensor applications. Key Features 32-bit RISC-V single-core processor with clock speeds up to 160 MHz. 2.4 GHz Wi-Fi 4 (802.11 b/g/n) connectivity. Bluetooth 5 Low Energy (BLE 5.0) support with long-range capability. 4 MB embedded SPI flash memory (H4 variant). 384 KB ROM and 408 KB SRAM for application execution. Integrated PCB antenna for simplified RF design. USB Serial/JTAG controller for programming and debugging without an external USB-to-UART bridge. Multiple peripheral interfaces: UART SPI I²C I²S PWM GPIO ADC USB JTAG Operating voltage range: 3.0 V to 3.6 V. Supports secure boot, flash encryption, and hardware cryptographic acceleration. Compact SMD module suitable for space-constrained designs. Typical Applications Smart home and home automation devices Wireless sensors and data loggers IoT gateways and edge devices Industrial monitoring and control systems Bluetooth beacons Wearable electronics Consumer connected products H4 Variant Note: The ESP32-C3-MINI-1-H4 version includes 4 MB flash memory and supports an extended operating temperature range up to 105°C, making it suitable for more demanding industrial environments. #RF-Transceiver #ESP32 #Module

133MHz LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHS RP2040 The RP2040 is a high-performance, low-cost 32-bit microcontroller developed by Raspberry Pi Ltd.. It features dual ARM Cortex-M0+ processor cores, flexible digital interfaces, and a unique Programmable I/O (PIO) subsystem that enables custom hardware protocols and timing-critical applications. The device is widely used in embedded systems, IoT devices, robotics, industrial control, consumer electronics, and educational projects. Key Features Dual ARM Cortex-M0+ CPU cores operating up to 133 MHz (up to 200 MHz under specific conditions) 264 KB on-chip SRAM organized in six independent memory banks External QSPI Flash interface with Execute-In-Place (XIP) support and up to 16 MB Flash memory capability 30 multifunction GPIO pins with extensive peripheral multiplexing 2 × UART interfaces 2 × SPI controllers 2 × I²C controllers 16 PWM channels for motor control and signal generation USB 1.1 Host and Device support with integrated PHY 12-bit ADC with four external analog inputs and internal temperature sensor, up to 500 ksps sampling rate 12-channel DMA controller for efficient data transfers Programmable I/O (PIO) subsystem with 8 state machines for implementing custom communication interfaces and precise timing applications Integrated PLLs and programmable LDO regulator for clock and power management Operating voltage range: 1.8 V to 3.3 V Available in a compact 7 mm × 7 mm QFN-56 package Typical Applications IoT and connected devices Industrial automation Robotics and motor control Human-machine interfaces (HMI) Consumer electronics USB peripherals Sensor data acquisition systems Educational and maker projects Custom communication protocol implementations using PIO #CommonPartsLibrary #IntegratedCircuit #Microcontroller

15Bit 3V~3.6V SPI SSOP-20-208mil Analog to Digital Converters (ADCs) ROHS The MAX31865 is an easy-to-use resistance-to-digital converter optimized for platinum resistance temperature detectors (RTDs). An external resistor sets the sensitivity for the RTD being used and a precision delta-sigma ADC converts the ratio of the RTD resistance to the reference resistance into digital form. The MAX31865’s inputs are protected against overvoltage faults as large as Q45V. Programmable detection of RTD and cable open and short conditions is included. ● Integration Lowers System Cost, Simplifies Design Efforts, and Reduces Design Cycle Time • Simple Conversion of Platinum RTD Resistance to Digital Value • Handles 100Ω to 1kΩ (at 0°C) Platinum RTDs (PT100 to PT1000) • Compatible with 2-, 3-, and 4-Wire Sensor Connections • SPI-Compatible Interface • 20-Pin TQFN and SSOP Packages ● High Accuracy Facilitates Meeting Error Budgets • 15-Bit ADC Resolution; Nominal Temperature Resolution 0.03125NC (Varies Due to RTD Nonlinearity) • Total Accuracy Over All Operating Conditions: 0.5NC (0.05% of Full Scale) max • Fully Differential VREF Inputs • 21ms (max) Conversion Time ● Integrated Fault Detection Increases System Reliability • ±45V Input Protection • Fault Detection (Open RTD Element, RTD Shorted to Out-of-Range Voltage, or Short Across RTD Element) #CommonPartsLibrary #IntegratedCircuit #PowerManagement