Technical description
Cells management
- Management of 10 lithium cells in series, compatible with all cell technologies (NMC, LiFe, LiPo…)
- Management of 1 NTC temperature sensors
- Measurements accuracy:
- Cell voltages: +/- 40 mV
- Temperatures: +/- 1°C
Protections
- Overdischarge, overcharge, overtemperature protection
- Over-current software protection:
- several configurable levels during charge and discharge phases
- Short circuit hardware protection (electronic fuse in discharge):
- Above 40 A for more than 100 µs
Balancing
- Passive balancing with a 35 mA bypass current
Power box
- Integrated power box with MOSFET technology:
- 15 A continuous current in discharge
- 30 A maximum peak current in discharge
- 9 A continuous current in charge
- Bidirectional current measurement with +/- 5 % of accuracy
- Charge and discharge control
- Precharge circuit included on the BMS
Smart functions
- Automatic detection of the charger connection with wake up of the BMS
- External communication via I2C serial link*
- Auto diagnostics of the BMS
Power supply/consumption
- Supply of the BMS directly on the battery pack
- Very low consumption in sleep mode: < 30 µA
Mechanical format
- 65 mm x 48 mm x 17 mm
- Can be potted to be used in harsh environment
* Requires external opto-isolation