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

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) 9-LGA The BMP585 is a high-precision digital barometric pressure sensor designed for accurate altitude and environmental pressure measurement in compact, low-power embedded systems. It integrates a MEMS sensing element with advanced signal conditioning and digital compensation circuitry to provide highly stable and reliable pressure and temperature data across a wide operating range. The device is optimized for portable electronics, industrial sensing, indoor navigation, weather monitoring, drones, and IoT applications requiring precise atmospheric measurements. The sensor supports digital communication through standard serial interfaces, enabling straightforward integration with modern microcontrollers and processors. Its low noise performance, high resolution, and fast response characteristics make it suitable for applications involving motion tracking, vertical positioning, and environmental monitoring. The compact surface-mount package allows efficient PCB layout integration in space-constrained designs. The BMP585 incorporates configurable sampling, filtering, and power management features to balance measurement accuracy, bandwidth, and energy consumption. Internal calibration and compensation algorithms reduce system-level complexity while improving long-term stability and measurement consistency. The device is designed for robust operation under varying environmental conditions and supports low-power modes for battery-operated systems. Engineering Specification Device Type Digital barometric pressure and temperature sensor Sensor Functions Atmospheric pressure sensing Temperature sensing Altitude estimation support Pressure Measurement High-resolution MEMS pressure sensing element Integrated digital compensation and calibration Low-noise pressure measurement architecture Temperature Measurement Integrated temperature sensing for environmental monitoring and pressure compensation Communication Interface I²C interface support SPI interface support Power Features Low-power operation Configurable performance and sampling modes Sleep and standby operating capability Signal Processing Integrated digital filtering Configurable oversampling Internal compensation engine Package Information Compact surface-mount package RoHS-compliant construction Operating Characteristics High measurement stability Fast response time Designed for portable and industrial environments Application Areas Wearable devices Indoor navigation systems Portable weather stations Industrial monitoring IoT sensing nodes Drones and altitude tracking systems Consumer electronics #commonpartslibrary #integratedcircuit #pressuresensor

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