Matek CAN-L4-BM Digital Power Monitor
AVAILABILITY: Out Of Stock
$46.80
Brand: Matek Systems
Out of stock
CAN-L4-BM is a ultra-precise digital power monitor based on TI INA239 and 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.
Tips
- The big pad on the bottom side is a dead pad. No any circuit network on it.
- Solder the positive wires as close as possible to both sides of the current sensing resistor.
- 2 ears for mounting can be cut off if you don’t need it.
- If the CAN wires are too long, bridge the “120R” jumper.
CAN-L4-BM
- 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
- LED
- Blue, Fast blinking, Booting
- Blue, Slow blinking, working
- Red, 3.3V indicator
- Power supply for CAN-L4-BM board : 4.5~5.5V @5V pad/pin
- Power consumption: 10mA
- Operating Temperatures: -40~85 °C
- Physical
- Board Size: 30mm*22mm*3mm. 4g
- 3D file : CAN-L4-BM_STEP.zip
- Firmware
- ArduPilot AP_Periph MatekL431-BattMon
- Update via DroneCAN GUI Tool
- Parameters
- CAN_P1_DRIVER = 1 if attached to CAN bus1 port or CAN_P2_DRIVER = 1 if attached to CAN bus2 port
- BATTx_MONITOR = 8 (DroneCAN-BatteryInfo)
Includes
- 1 x CAN-L4-BM board
- 1 x JST-GH-4P to JST-GH-4P 20cm silicon wire
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