This h bridge circuit worked well for about a week, then one of the low side mosfets blew up. I am sure that these chips are capable of handling the motor current. I think that the problem may be caused by short duration shoot through when the input signal to the mosfets is switching from high to low. The voltage generally takes about 20 µs to switch. During this time there may be a short through the h bridge.
The signals from the left come from a microcontroller. They go to an optoisolator which controlls the mosfets.
I do not know how I can solve this problem?
The signals from the left come from a microcontroller. They go to an optoisolator which controlls the mosfets.
I do not know how I can solve this problem?