POWER CONVERTER HAVING OVERVOLTAGE PROTECTION MECHANISM
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Apr 10, 2023
filing date -
Dec 12, 2022
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Abstract
A power converter having an overvoltage protection mechanism is provided. A node between a second terminal of the high-side switch and a first terminal of a low-side switch is connected to an inductor. When an output current or an output voltage of the power converter must be released, the output current of the power converter flows to the input power source sequentially through the inductor, the high-side switch being turned on. Under this condition, when an overvoltage protecting circuit determines that a current or a voltage of the inductor or a current or a voltage of the input power source is larger than a threshold, the output current of the power converter flows to a ground through the overvoltage protecting circuit.
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