CUAV PMU 2 Lite Power Module 15V / 5V for Unmanned Systems
CUAV PMU 2 Lite Power Module is a power management unit for unmanned systems. It has an onboard STM32H5 processor and runs self-developed M4C architecture software. It adopts the ITT3 temperature impedance tracking algorithm.
This module measures the voltage and current of unmanned systems accurately in real time. It supports 20V ~ 70V input voltage and up to 220A current. Communication is implemented via CAN bus. Every unit is factory pre-calibrated for consistent and precise readings.
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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 | STM32H5 Arm° Cortex°‑M33 250 MHz |
| Input voltage | 15V version: 20V~70V 5v version: 12v~70V |
| Instantaneous Current | 220A@120Sec |
| Continuous Current | 130A(good heat dissipation environment) |
| Detection Current | 0A～220A |
| Voltage Accuracy | ±0.05V |
| Current Accuracy | ±0.1A |
| Voltage Output | 15V version: 15V/6A 5V version:5.2V/7A |
| Protocol | CAN |
| Calibration Setting | Factory pre‑calibrated, ready to use |
| Firmware | CUAV M4C PMU2 |
Port Type |
|
| Power Port | 7AWG/QS8 |
| Data Port | 15V version: MOLEX 5055670871 5V version: MOLEX 5025850670 |
Hardware Parameter |
|
| Size | 57.25 x 32.25 x 18.5 mm (includes screw holes, excludes cable) 57.25 x 43.5 x 18.5 mm (excludes screw holes and cable) |
| Weight | 222g(including cable) |
| Operating Temperature | -20℃～+80℃ |
CUAV PMU 2 Lite Power Module Description:
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220A Current Detection Overcurrent Warning Protection
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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.
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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.
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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.
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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.
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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.
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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.
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