CPC H02H 7/1213 (2013.01) [G05F 1/56 (2013.01); H02H 1/0007 (2013.01)] | 20 Claims |
1. A system comprising:
a power converter comprising an output terminal and configured to receive an input voltage at a first magnitude and output a voltage at a second magnitude at the output terminal;
a voltage monitoring circuit coupled to the output terminal; and
a signal injection circuit coupled to the output terminal of the power converter, the signal injection circuit configured to input a check signal at the output terminal;
wherein the voltage monitoring circuit is configured to detect a fault signal at the output terminal based on the combined fault signal and the check signal exceeding a detection voltage threshold.
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