CONVERSION CONTROL CIRCUIT AND METHOD FOR USE IN STACKABLE MULTIPHASE POWER CONVERTER
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Dec 13, 2023
filing date -
Dec 13, 2023
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Abstract
A conversion control circuit controls plural stackable sub-converters which are coupled in parallel to generate an output power to a load. The conversion control circuit includes a current sharing terminal and a current sharing circuit. A current sharing signal is connected, in parallel, to the current sharing terminals. The current sharing circuit includes: configuration (1): the current sharing signal is generated only according to an inductor current corresponding to one of plural inductors of the plural stackable sub-converters; or configuration (2): the current sharing signal is generated according to plural inductor currents corresponding to plural inductors of plural activated phases of the plural stackable sub-converters, wherein a ratio of a portion of the current sharing signal generated by a master control circuit to a portion generated by one of the slave control circuits is k which relates to a difference between a total phase number and an activated phase number.
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