A battery management system (BMS) must measure individual cell and module voltages, currents, and temperatures with high precision to protect the pack and extend its life, while isolating high voltage battery electronics from the low voltage electronics that report to the driver.
Vishay's Power Metal Strip® shunt resistors deliver ultralow, ultrastable resistance values for precise pack current sensing, while Automotive Grade optocouplers provide galvanic isolation to several kilovolts between the cell monitoring circuitry (CMC) and battery monitoring controller (BMC). Our NTC thermistors accurately sense temperature and TVS, Zener, Schottky, and CAN ESD protection devices ensure circuit safety.
Behind automotive battery management and safety is The DNA of tech.®
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