Power supply circuit and power suppling method

A power supply circuit includes a voltage input terminal, a voltage output terminal, a binary-search logical circuit, a power monitoring unit, a path control unit and an adaptive supply circuit. The binary-search logical circuit finds out a current value of an input voltage received by the voltage i...

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Bibliographic Details
Main Authors TSAI, WEIIN, WEN, CHUN-KUEI
Format Patent
LanguageChinese
English
Published 16.07.2018
Subjects
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Summary:A power supply circuit includes a voltage input terminal, a voltage output terminal, a binary-search logical circuit, a power monitoring unit, a path control unit and an adaptive supply circuit. The binary-search logical circuit finds out a current value of an input voltage received by the voltage input terminal based on a binary search algorithm. The power monitoring unit detects an output current through the voltage output terminal, and decides a loading state according to the output current. The path control unit generates a selecting signal according to the current value and the loading state, and the adaptive supply circuit generates an output voltage based on the input voltage by using one of a plurality of supply paths according to the selecting signal. The voltage output terminal outputs the output voltage to a loading. The supply paths include a bypass path and at least one voltage conversion path.
Bibliography:Application Number: TW20176100092