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.
Features
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)
Benefits
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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