Matek DroneCAN-Digital power monitor
CAN-L4-BM is a ultra-precise digital power monitor based on TI INA239 & ArudPilot AP_Periph firmware. The resistance of this conductive path is 200 μΩ typical, providing low power loss in the application.
With this device, No calibration required, flight controller that support DroneCAN protocol can easily get accurate current & bus voltage readouts via CAN bus.
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Description
Specifications
MCU: STM32L431xC, 256KB Flash
INA239 85-V, 16-Bit, High-Precision Power monitor IC With SPI Interface
Battery Voltage sense input: 0~85V
Current Sense Range: 0~204.8A
Load current on current sensing resistor: 150A(Continuous), 204.8A(Burst)
Voltage accuracy: ± 0.1%
Current accuracy: ± 2%
Interface
CAN, DroneCAN Protocol
UART2, spare, DFU
ST debug, SWCLK & SWDIO