CUAV CAN PMU

CAN PMU® is a high-precision DroneCAN power module developed by CUAV®. It runs the CUAV ITT compensation algorithm, which enables drones to get the battery data more accurately.

CAN PMU

It is recommended for use in large commercial vehicles, but might also be used for research vehicles.

Where to Buy

• CUAV store

• CUAV aliexpress

Hardware Specifications

• Processor: STM32F412

• Voltage input: 6~62V(2-15S)

• Max current: 110A

• Voltage accuracy: ±0.05V

• Current accuracy: ±0.1A

• Resolution: 0.01A/V

• Max output power: 6000W/90S

• Max stable power: 5000W

• Power port output: 5.4V/5A

• Operating temp: -20~+100

• Firmware upgrade: Supported.

• Calibration: Not needed.

• Interface Type:

  • IN/OUT: XT90(Cable）/Amass 8.0(Module）

  • Power port: 5025850670

  • CAN: GHR-04V-S

Hardware Setup

Package Contents

CAN PMU list

Pinouts

CAN PMU

CAN PMU

Wiring

CAN PMU

The connection steps are:

• Connect the flight control CAN1/2 and the module CAN interface.

• Connect the V5 series power cable to the V5 Flight Control Power2 (if other flight controllers are connect to the Power interface) and the module Power interface.

Flight Controller Setup

Set the following parameters in QGroundControl Vehicle Setup > Parameters and then restart:

• UAVCAN_ENABLE: set to: Sensors Automatic Config

  

  qgc set
• UAVCAN_SUB_BAT: set to: Raw data

  

  QGC - Set UAVCAN_SUB_BAT parameter to raw data

Further Information

CAN PMU Manual

CAN PMU Power detection module > Enable CAN PMU > PX4 firmware (CUAV docs)