Method and apparatus for zero current detection

This application discusses, among other things, zero current detection. In an example, a circuit for zero current detection can include a compensating circuit and a detecting circuit. The compensating circuit can be configured to feed back a compensating voltage to the detecting circuit according to...

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Bibliographic Details
Main Authors Li, Maoxu, Li, Dong
Format Patent
LanguageEnglish
Published 21.08.2018
Subjects
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:This application discusses, among other things, zero current detection. In an example, a circuit for zero current detection can include a compensating circuit and a detecting circuit. The compensating circuit can be configured to feed back a compensating voltage to the detecting circuit according to an output voltage of a DC-DC converting circuit. The detecting circuit can be configured to dynamically adjust an intentional offset voltage according to the compensating voltage, and to perform zero current detection of the DC-DC converting circuit according to the adjusted Voffset.
Bibliography:Application Number: US201514937667