A dimmer switch is a variable resistor-like we find with a headlight switch or radio volume control. We vary current flow to control brightness, motor speed, and a host of other things.

Ensure max electric fuel pump output and safety with a relay for no voltage drop, plus an oil pressure switch that won’t let the pump run if the engine loses oil pressure.

Power Integrations’ Motor-Expert™ Suite for BridgeSwitch™ IC family includes new control software for three-phase BLDC motor drives. Image provided courtesy of Power Integrations.