HIGH-CURRENT, BIDIRECTIONAL PROTECTION CIRCUITS AND METHODS
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Apr 15, 2024
filing date -
Jun 6, 2021
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Abstract
Systems and methods herein use a sensing circuit to detect an overvoltage at a voltage node as a drain current. A current-mode comparator converts the detected current into a control signal, which is provided to a control circuit. The control circuit uses the control signal cut of a bias current to turn off switches in a protection circuit to create a high-impedance electrical path between the voltage node and the to-be-protected voltage node.
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