Product overview
The CUAV CAN PMU Power Management Unit combines voltage and current measurement with a power-port output and DroneCAN communication. Its STM32F412 processor incorporates a 32-bit Arm Cortex-M4 core running at 100MHz, with 512KB flash and 256KB RAM. The unit is factory calibrated and uses CUAV’s ITT algorithm to compensate for measurement errors caused by temperature-related impedance changes. Voltage accuracy is ±0.05V and current accuracy is ±0.1A, with a measurement resolution of 0.01A/V. Firmware upgrades are supported.
The module measures 46.5 × 38.5 × 22.5mm and weighs 76g, providing concrete dimensions and mass for installation planning. Its input/output interfaces are XT90 for the cable configuration and Amass 8.0 for the module configuration, alongside a 5025850670 power connector and GHR‑04V‑S CAN connector. Input is 6 ~ 62V (2 ~ 15S), maximum current is 110A, and power-port output is 5.4V/5A. Maximum stable power is 5000W; maximum output power is 6000W for 90s. The operating temperature range is ‑20 ~ 100 ℃.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | CUAV CAN PMU Power Management Unit |
| Processor | STM32F412(32 Bit Arm Cortex‑M4, 100MHz, 512KB FLASH, 256KB RAM) |
| 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/90s90s duration. |
| Max Stable Power | 5000W |
| Power Port Output | 5.4V/5A |
| Protocol | DroneCAN |
| Operating Temperature | ‑20 ~ 100 ℃ |
| Firmware Upgrade | Supported |
| Calibration | Factory calibration |
| Size | 46.5 × 38.5 × 22.5mm |
| Weight | 76g |
| Input/Output Interfaces | XT90 (cable) / Amass 8.0 (module)XT90 for cable; Amass 8.0 for module. |
| Power Connector | 5025850670 |
| CAN Connector | GHR‑04V‑S |
| Temperature Compensation | CUAV-developed ITT (impedance temperature track) algorithmMeasurement compensation for impedance changes at different operating temperatures. |
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