MOSFET Calculator

MOSFET Gate Charge Calculator

Estimate MOSFET gate drive current and switching time from total gate charge.

MOSFET Gate Charge Calculator Formula

Igate = Qg x f, t = Qg / Idrive

Useful for motor drivers, LED drivers, DC/DC converters, power switches and MCU-controlled loads.

Design note

Always check MOSFET datasheet limits, thermal resistance, gate charge, safe operating area and PCB copper area.

Result will appear here.