mBMS System Kit

  • SoC, SoH and SoF determination
  • For NMC, LFP and LTO cell chemistry
  • Current and high voltage measurement
  • Cell voltage and temperature supervision
  • Cell balancing
  • Ground fault detection
  • Functional safety
  • Intelligent main contactor control
  • Adaptive pre-charge of inverters
  • LV123 conformance up to HV3

The mBMS modular system kit forms the ideal basis for initial prototype constructions and small series. Together with the cell sensor modules (CSC), it provides all necessary battery management and safety functions. It represents the development base for tailored battery management systems on an industrial scale.

With the mBMS Toolchain, you can adapt the mBMS precisely to your battery system.

Cell switching topology, cell characteristics, temperature characteristics, limits and timing characteristics of the safety functions as well as the interface to the vehicle can be adjusted within wide ranges. The toolchain and the BMS jointly guarantee that the safety characteristics you have specified are actually implemented.

In addition of the mBMS key components, STW offers a comprehensive set of accessories and even complete BMS assembly kits including main switches, pre-charge units, power resistors filter modules and plug sets.

BMS

  • Interlock signal generation and surveillance
  • Insulation surveillance
  • Adaptive pre-charging
  • Intelligent contactor control
  • Management of battery cooling
  • Voltage supply with 8 to 32 VDC
  • 350 mA current draw @ 12 V
  • 4 x CAN 2.0 B, CAN Wakeup
  • 3 x 2 A digital output
  • 1 x analog input
Datasheet
BMS

BMS

  • Interlock signal generation and surveillance
  • Insulation surveillance
  • Adaptive pre-charging
  • Intelligent contactor control
  • Management of battery cooling

PMB

  • Current measurement up to 2000 A
  • Voltage measurement up to 800 V
  • Powered by the BMS
  • No additional current draw
  • 1 x CAN 2.0 B
  • Shunt for current measurement
  • 3 inputs for high voltage measurement
Datasheet
PMB

PMB

  • Current measurement up to 2000 A
  • Voltage measurement up to 800 V

CSC

  • Cell voltage measurement
  • Cell temperature measurement
  • Cell balancing
  • Powered by the BMS and battery cells
  • 10 mA current draw @ Ucell = 4.2 V
  • 1 x CAN 2.0 B
  • 48 x cell voltage measurement inputs
  • 16 x temperature sensor inputs (10k NTC)
Datasheet
CSC

CSC

  • Cell voltage measurement
  • Cell temperature measurement
  • Cell balancing

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