MULTI-INPUT POWER SUPPLY CIRCUIT AND ELECTRONIC DEVICE

Abstract: a multi-input power supply circuit and an electronic device. a sampling circuit of the multi-input power supply circuit includes at least one resistor. the at least one resistor provides a voltage feedback signal for a control circuit of the multi-input power supply circuit based on input voltages of input interfaces of the multi-input power supply circuit, and provides a function of isolation between the control circuit and the input interfaces. the sampling circuit of the multi-input power supply circuit implements input voltage sampling and isolation. in addition, at least a beneficial effect of low complexity of a circuit structure is implemented.

Inventor(s): Jinliang HUANG, Dongsheng Zhao, Chunwei Yu

CPC Classification: H02J4/00 (Circuit arrangements for mains or distribution networks not specified as ac or dc)

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