CPC H03K 17/0822 (2013.01) [H01L 27/0285 (2013.01); H02H 3/087 (2013.01)] | 17 Claims |
1. A method of protecting a load circuit, the method comprising:
sensing a load current passing through a switch electrically in series with the load circuit;
sensing a voltage drop across the switch;
determining a rate of change of the voltage drop across the switch;
determining whether to deactivate the switch based on the load current and the rate of change of the voltage drop across the switch; and
in response to determining to deactivate the switch,
deactivating the switch to shut off current to the load circuit.
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