Invention Grant
- Patent Title: Electrostatic discharge protection circuit arrangement, electronic circuit and ESD protection method
- Patent Title (中): 静电放电保护电路布置,电子电路和ESD保护方法
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Application No.: US14379908Application Date: 2012-02-29
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Publication No.: US09438031B2Publication Date: 2016-09-06
- Inventor: Patrice Besse , Jerome Casters , Jean-Philippe Laine , Alain Salles
- Applicant: Patrice Besse , Jerome Casters , Jean-Philippe Laine , Alain Salles
- Applicant Address: US TX Austin
- Assignee: Freescale Semiconductor, Inc.
- Current Assignee: Freescale Semiconductor, Inc.
- Current Assignee Address: US TX Austin
- International Application: PCT/IB2012/000543 WO 20120229
- International Announcement: WO2013/128227 WO 20130906
- Main IPC: H02H3/22
- IPC: H02H3/22 ; H02H9/02 ; H02M7/5387 ; H05K1/02 ; H01L27/02 ; H02H9/04

Abstract:
An electrostatic discharge, ESD, protection circuit arrangement is connectable to a first pin and a second pin of an electronic circuit and arranged to at least partly absorb an ESD current entering the electronic circuit through at least one of the first pin or the second pin during an ESD stress event. The protection circuit arrangement comprises a first ESD protection circuit arranged to absorb a first portion of the ESD current during a first part of the ESD stress event during which first part a level of the ESD current exceeds a predetermined current threshold; and a second ESD protection circuit arranged to absorb a second portion of the ESD current, the second portion having a current level below the current threshold, at least during a second part of the ESD stress event. The second ESD protection circuit comprises a current limiting circuit arranged to limit a current through at least a portion of the second ESD protection circuit to the current threshold.
Public/Granted literature
- US20150049406A1 ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT ARRANGEMENT, ELECTRONIC CIRCUIT AND ESD PROTECTION METHOD Public/Granted day:2015-02-19
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