Battery disconnect and circuit breaker functions must interrupt high fault currents in milliseconds to protect the pack, the vehicle, and its occupants and yet be compact enough to fit inside the battery enclosure.
Vishay's high voltage, low RDS(on) SiC MOSFETs and smart load switch power ICs enable fast, electronically controlled disconnection. Our eFuses integrate programmable current limits and overvoltage protection for the highest EV bus voltages and current sensing resistors provide precise, rapid fault current detection for pyrotechnic or solid-state disconnects. Vishay’s portfolio of battery disconnect building blocks includes current sense shunts, voltage dividers, snubber and Y capacitors, and freewheeling ESD protection semiconductor devices.
Behind battery disconnect and circuit breaker reliability is The DNA of tech.®
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