公开(公告)号：US20180041046A1

公开(公告)日：2018-02-08

申请号：US15228688

申请日：2016-08-04

Applicant: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： KAI-YUAN FU ,  RUH-HUA WU ,  CHUNG-TSENG CHANG

IPC: H02J5/00 ,  H02J9/06 ,  H02M1/08 ,  H02M7/04 ,  H02M7/44

CPC classification number: H02J5/00 ,  H02J1/102 ,  H02J9/061 ,  H02M1/08 ,  H02M7/04 ,  H02M7/44 ,  H02M2001/0009

Abstract: A multi-power supply device includes a plurality of power input units configured to each supply an input power and being DC power input units, AC power input units, or a combination thereof; power channel control units electrically connected to the power input units, respectively, and turned on as soon as the output end voltage of the power channel control units is lower than the input end voltage of the power channel control units, wherein the power channel control unit with the highest input voltage is turned on to output an ON voltage; and a power output unit electrically connected to the power channel control units and adapted to output the ON voltage.