Features

Amongst all features inherited from underlying Zephyr, the BMS has the following features:

Monitoring and configuration using the ThingSet protocol (mapping to MQTT, CoAP and HTTP possible)
- Serial interface
- CAN bus
- Bluetooth (not available on all boards)
Extensions via UEXT connector possible (depending on hardware)
- I2C
- SPI
- UART
SOC estimation based on coulomb counting
Configuration options
- Pack layout
  - Cell chemistry (LiFePO4, NMC, NCA)
  - Nominal capacity
  - Number of cells
  - Thermistor type
  - Shunt resistor
  - Custom open circuit voltage (OCV) look-up table
- Protection
  - Discharge short circuit limit (A)
  - Discharge short circuit delay (us)
  - Discharge over-current limit (A)
  - Discharge over-current delay (ms)
  - Charge over-current limit (A)
  - Charge over-current delay (ms)
  - Cell target charge voltage (V)
  - Cell discharge voltage limit (V)
  - Cell over-voltage limit (V)
  - Cell over-voltage error reset threshold (V)
  - Cell over-voltage delay (ms)
  - Cell under-voltage limit (V)
  - Cell under-voltage error reset threshold (V)
  - Cell under-voltage delay (ms)
  - Discharge over-temperature (DOT) limit (°C)
  - Discharge under-temperature (DUT) limit (°C)
  - Charge over-temperature (COT) limit (°C)
  - Charge under-temperature (CUT) limit (°C)
  - Temperature limit hysteresis (°C)
- Balancing
  - Enable automatic balancing.
  - Balancing cell voltage target difference (V)
  - Minimum cell voltage to start balancing (V)
  - Current threshold to be considered idle (A)
  - Minimum idle duration before balancing (s)