Battery Management

Battery Management


The smart control and management of batteries in mobile and stationary use is termed battery management system (BMS). 

Battery management systems consist of a battery control unit (BCU), a current sensor module (CSM) and several cell supervising electronic (CSE) units. For 48V batteries, these elements can be housed in a single control unit. For high-voltage batteries, they are separate and scaled up in a modular fashion. 

The BMS also forms the interface for operating all the battery-associated peripheries and controls their functions. 


  • Measuring single cell voltages
  • Isolation monitoring of the high-voltage system
  • Interlock
  • DC motor control
  • Cell Temperature measuring
  • Different communication interfaces (e. g. CAN, LIN)


  • Platform SW available (e. g. SOC (state of charge) and SOH (state of health) calculation)
  • Automotive environmental and safety requirements are considered  (ISO26262 compliant)
  • Information on battery condition, such as performance and SOC used to optimise vehicle operation strategy 
  • Adaption to different battery to topologies

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