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LTspice bootstrap half-bridge simulation peak current problem

I don't understand the reason of short time peak currents Each time you deactivate a MOSFET, it's internal drain-source capacitance has a very low voltage across it. This is because the associated ...
Andy aka's user avatar
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Why is the load supply (VBB1) on my A3967 shorting to both OUT1A and OUT1B when the stepper motor is disconnected?

It sounds like you are disconnecting the step motor while the driver has it powered. Under no circumstances should you do that. The step motor windings are inductive and there will be a huge spike ...
whitegreg56's user avatar

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