AUXILIARY CIRCUIT FOR ESTIMATING MILLER PLATEAU, AND DRIVING CIRCUIT AND POWER CONVERSION SYSTEM INCLUDING THE SAME
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
May 30, 2024
filing date -
May 30, 2024
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Abstract
Provided is an auxiliary circuit configured to estimate a Miller plateau of a power transistor in a power conversion system, the auxiliary circuit including a filtering circuit electrically connected to a switching node of the power conversion system and configured to filter a voltage of the switching node, and a sensing circuit electrically connected to an output node of the filtering circuit and configured to detect whether the voltage of the switching node reaches a predetermined voltage level based on a voltage of the output node of the filtering circuit.
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