I am having issues damaging N channel mosfets that control CHARG and DISCHARGE current of a battery pack.
When I drive the DISCHARGE port with a PWM signal generated by a micro processor the fast switching immediately damages the mosfet even under light load. IF the mosfet is turned ON first and then a large load is connected, there is no problem.
Circuit creates switch to ground.
Am I using to larger of pullup on BJT? How can I increase switching speed, if that is the issue?
VBAT is 16 volts. LOAD connects load to VBAT.
See attached circuit.
When I drive the DISCHARGE port with a PWM signal generated by a micro processor the fast switching immediately damages the mosfet even under light load. IF the mosfet is turned ON first and then a large load is connected, there is no problem.
Circuit creates switch to ground.
Am I using to larger of pullup on BJT? How can I increase switching speed, if that is the issue?
VBAT is 16 volts. LOAD connects load to VBAT.
See attached circuit.
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