CUAV PMU 2 Lite Power Module 15V / 5V for Large Drone CUAV PMU 2 Lite Power Module Brief: PMU 2 Lite is a power management unit module for unmanned system devices. It features built-in STM32H5 processor, runs self-developed M4C architecture software, and uses ITT3 temperature impedance tracking algorithm. It can accurately measure the voltage and current of unmanned systems in real time and supports 20V ~ 70V voltage and 220A current. It communicates via CAN bus. Each module has been factory pre-calibrated to ensure good consistency and accuracy Follow us World Drone Market on YouTube to view more videos about the CUAV Product. CUAV PMU 2 Lite Power Module Feature: ±0.1A / ±0.05V measurement accuracy 20V ~ 70V wide voltage input, 220A current detection Runs self-developed M4C architecture software Adopt the ITT3 temperature impedance tracking algorithm Support CAN bus communication protocol CUAV PMU 2 Lite Power Module Specification: Basic Parameters Processor STM32H7 Arm° Cortex°-M7 480 MHz Version x25Evo Gyro&Acce IIM-42653×2 Gyro Sensing Range:±4OOO°/s Accel Sensing Range: ±32g IIM-42652 Gyro Sensing Range:±2000°/s Accel Sensing Range: ±16g Compass RM31OO Barometer TDK IPC20100/Bosch BMP581 PortType PWM OUT 16 Power IN (CAN) 2(5055670871-5055650801) GPS Ports 2 TELEM Ports 2 UART4 Ports 1 RC IN 1(PPM/SBUS/DSM,etc.) DEBUG Ports (DSU) 1 Ethernet (ETH) 1 CAN Bus CAN1x3 CAN2x2 SPl6 Expansion 1 ADC 3V3 1 ADC 6V6 1 USB Ports 1(Type-C) I2C Ports 3 RSSI Ports 1 Power Module PMU 2 Lite Electrical and Mechanical Data Input Voltage USB:4.75v~5.25v PMU 2Lite: 20V～70V Power: 1OV~18V Operating Temperature -2OC～ 85C Size 76.5× 45.45 ×32.2mm Weight 110g CUAV PMU 2 Lite Power Module Description: 220A Current Detection Overcurrent Warning Protection PMU 2 Lite utilizes non-contact, coreless busbar current detection technology and CNC-machined current sensing sheets. PMU 2 Lite can achieve instantaneous, high-current 220A lossless current measurement in a compact package. It also supports overcurrent warning, effectively ensuring safe system operation, preventing abnormal damage to equipment, and improving overall reliability. 16S Battery Input Wide Voltage, Flexible Adaptation. PMU 2 Lite supports 20V to 70V wide voltage input and is compatible with 16S batteries. It adapts to various power supply conditions and can easily meet the power needs of various unmanned systems in different scenarios, significantly improving its adaptability. High-Performance Processor Runs M4C Architecture Software. PMU 2 Lite employs a new STM32H5 ARM Cortex-M33 CPU with a frequency of 250MHz as the processor and the self-developed M4C architecture software. It adopts the ITT3 temperature impedance tracking algorithm, enabling excellent measurement consistency in a wide temperature range and across the full measurement range. With an accuracy of ±0.05V / ±0.1A, it ensures the stability and reliability of data in complex environments. CAN Bus Communication Multi-Platform Compatibility. PMU 2 Lite employs the standard CAN bus communication protocol and is compatible with mainstream open-source platforms such as ArduPilot and PX4. It supports various unmanned system devices, with a wide range of application scenarios. 15V/5V Output Extensive Controller Compatibility. PMU 2 Lite offers optional 15V or 5V output voltages, which are widely compatible with multiple controllers. It can meet various demands for the power supply of devices and enable effective and convenient operation of device systems. Aluminum Alloy Shell Excellent Heat Dissipation. PMU 2 Lite is equipped with an aluminum alloy shell and features heat-conducting protrusions and thermal conductive silicone designed for heat-generating components like the power supply and inductor. This effectively improves heat dissipation efficiency and reduces internal temperatures during operation. PMU 2 Lite also employs AWG8 and QS8 connectors, allowing for larger wire diameters and significantly reducing heating generation under heavy loads. Factory Pre-Calibrated Ready-to-Use. Each module is factory pre-calibrated and temperature-learned. The factory uses calibration architecture hardware to conduct load tests, temperature learning, and pre-calibration across the full current and voltage ranges, ensuring that each module maintains excellent accuracy and stability under various working conditions. It is ready for immediate use without additional calibration.
