Title:
ESD PROTECTION CIRCUIT, DETECTION CIRCUIT AND RELATED ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/155317
Kind Code:
A1
Abstract:
Provided is an ESD protection circuit (400) used for protecting a detection circuit and comprising a window selection switch. The window selection switch is provided with two parasitic diodes, the negative electrode of one parasitic diode being coupled to a power supply of a detection circuit, the positive electrode of the parasitic diode being coupled to the negative electrode of the other parasitic diode, and the positive electrode of the other parasitic diode being grounded. The ESD protection circuit (400) provided can effectively solve the problem that other devices need to be additionally introduced in an existing detection circuit. Also provided are a detection circuit and a related electronic apparatus.
Inventors:
YANG BOXIN (CN)
WANG CHENGZUO (CN)
WANG CHENGZUO (CN)
Application Number:
PCT/CN2022/093997
Publication Date:
August 24, 2023
Filing Date:
May 19, 2022
Export Citation:
Assignee:
SHENZHEN GOODIX TECH CO LTD (CN)
International Classes:
H01L27/02; H02H9/00
Foreign References:
| CN110164862A | 2019-08-23 | |||
| CN110098182A | 2019-08-06 | |||
| CN111351636A | 2020-06-30 | |||
| US20090091870A1 | 2009-04-09 | |||
| US20040262689A1 | 2004-12-30 | |||
| CN113884763A | 2022-01-04 |
Attorney, Agent or Firm:
SHANGHAI CHENHAO INTELLECTUAL PROPERTY LAW FIRM GENERAL PARTNERSHIP (CN)
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