Invention Grant
- Patent Title: Communication interface protection circuit having transient voltage suppression
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Application No.: US16360343Application Date: 2019-03-21
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Publication No.: US11509134B2Publication Date: 2022-11-22
- Inventor: Chao Zan , Qiming Tang , Guangrong Zhou , Jun Yan
- Applicant: Huawei Technologies Co., Ltd.
- Applicant Address: CN Shenzhen
- Assignee: Huawei Technologies Co., Ltd.
- Current Assignee: Huawei Technologies Co., Ltd.
- Current Assignee Address: CN Shenzhen
- Agency: Slater Matsil, LLP
- Priority: CN201611207683.3 20161223
- Main IPC: H02H9/04
- IPC: H02H9/04 ; H04B3/00 ; H02H3/20

Abstract:
An interface protection circuit and a device interface are disclosed. The interface protection circuit includes a capacitor and a transient voltage suppressor (TVS) transistor. A first end of the capacitor is connected to a connection port, a second end of the capacitor is connected to a first end of the TVS transistor and an interface chip, and a second end of the TVS transistor is grounded.
Public/Granted literature
- US20190222021A1 Interface Protection Circuit and Device Interface Public/Granted day:2019-07-18
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