Electric water pumps must circulate coolant precisely and efficiently across the engine, battery, and cabin heating loops, running continuously and adjusting speed on demand without contributing excess electrical load. To do this, they need efficient BLDC motor switching, accurate current control, and reliable operation over demanding thermal and vibration conditions.
Vishay's low loss power MOSFETs and power modules drive the water pump motor efficiently across its variable speed range, while our inductors and capacitors smooth out ripples in the motor supply and current sensing resistors and NTC thermistors monitor motor current and coolant temperature for closed-loop control.
Behind electric water pump efficiency is The DNA of tech.®
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