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Good idea Jack! That would be bad. The micro-controller would never normally allow it, so it would have had to be something really bad (or coding mistake hehe). The microcontroller has it's own fault pin that does to the pwm outputs whatever you want it to do under a fault condition. Maybe if we assume the microcontroller craps out and the High and low are both stuck high for some reason, maybe a fast blow fuse? I would hope it would be a rare enough situation. Do they make fuses that could blow before the destruction of the igbts?
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