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1. (WO2018018436) ELECTROSTATIC PROTECTION CIRCUIT

Pub. No.:    WO/2018/018436    International Application No.:    PCT/CN2016/091806
Publication Date: Fri Feb 02 00:59:59 CET 2018 International Filing Date: Wed Jul 27 01:59:59 CEST 2016
IPC: H02H 9/02
Applicants: HUAWEI TECHNOLOGIES CO.,LTD.
华为技术有限公司
Inventors: ZHANG, Haichao
张海潮
XIONG, Ying
熊膺
XIAO, Zhi
肖知
Title: ELECTROSTATIC PROTECTION CIRCUIT
Abstract:
An electrostatic protection circuit, comprising: a protection unit, wherein a first end of the protection unit is electrically connected to a first pin of a target interface, and a second end of the protection unit is electrically connected to a second pin of the target interface for suppressing an ESD (electrostatic discharge) current or an EOS (electrical over-stress) current, and the first pin is any pin in the target interface; a switch unit connected to the protection unit in parallel; and a switch control unit, wherein an input end of the switch control unit is electrically connected to a power source pin or a control signal pin of the protection unit, and an output end of the switch control unit is electrically connected to a control end of the switch unit for controlling the opening or closing of the switch unit.