公开(公告)号：US20180159574A1

公开(公告)日：2018-06-07

申请号：US15825251

申请日：2017-11-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jiade LI ,  Gaosong SHEN ,  Fuming YE

IPC: H04B1/16 ,  H02J9/00

CPC classification number: H04B1/1615 ,  H02J7/0021 ,  H02J9/005

Abstract: Provided a wakeup circuit of a battery sampling integrated chip in battery energy storage system. The wakeup circuit includes a power end at a power low-voltage side, an optocoupler, and a switch transistor; wherein a first end of a primary side of the optocoupler is connected with the power end at the low-voltage side, and a second end of the primary side of the optocoupler is connected with a grounding end at the low-voltage side, a secondary side of the optocoupler is connected with a chip-wakeup end at a power high-voltage side, and the chip-wakeup end is connected with a wakeup pin of the battery sampling integrated chip; the switch transistor is connected in series with the primary side of the optocoupler, a control end of the switch transistor is connected with a wakeup signal input end at the low-voltage side.