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Patent Searching and Data


Title:
ELECTROSTATIC PROTECTION CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/018436
Kind Code:
A1
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.

Inventors:
ZHANG HAICHAO (CN)
XIONG YING (CN)
XIAO ZHI (CN)
Application Number:
PCT/CN2016/091806
Publication Date:
February 01, 2018
Filing Date:
July 26, 2016
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H02H9/02
Foreign References:
CN102082430A2011-06-01
CN102545192A2012-07-04
CN103532117A2014-01-22
US20070024327A12007-02-01
US5991134A1999-11-23
Other References:
See also references of EP 3484002A4
None
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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