CAUV 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.

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

Where to Buy

• CUAV store (opens new window)
• CUAV aliexpress (opens new window)

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

• Appearance:
  • Size: 46.5mm * 38.5mm * 22.5mm
  • Weight: 76g

Hardware Setup

Package Contents

Pinouts

Wiring

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

  

• UAVCAN_SUB_BAT: set to: Raw data

  

Further Information

CAN PMU Manual (opens new window)

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