This article base on H-bridge PWM control theory,with the core of N channel power MOSFET,make use of optoelectronic isolator design a high-power driver circuit for DC motor,the circuit could meet with the need of reverse rotation and speed regulation for DC motor.
以N沟道增强型场效应管为核心,基于H桥PWM控制原理,利用光电隔离器设计了一种大功率直流电机驱动控制电路,该电路能够很好地满足直流电机正反转控制和调速的需要。