nipun
Member level 2
i made a control circuit based on µc for PWM speed control of a 48V 0.5 Ω PMDC motor using mosfets.it worked fine but the next day when i again tried it mosfets blew. im still not aable to find out any reason plz help what can b the prob.earlier when it was working mosfets didnt heat at all but even after replacing them they blow up every time.