Invention Grant
- Patent Title: Power over ethernet powered device circuit and electrostatic discharge protection circuit thereof
- Patent Title (中): 通过以太网供电设备电路及其静电放电保护电路
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Application No.: US13481976Application Date: 2012-05-29
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Publication No.: US08693152B2Publication Date: 2014-04-08
- Inventor: Lung-Fai Tuen , Shan-Hung Wang , Chiu-Hsien Chang
- Applicant: Lung-Fai Tuen , Shan-Hung Wang , Chiu-Hsien Chang
- Applicant Address: TW New Taipei
- Assignee: Wistron Corp.
- Current Assignee: Wistron Corp.
- Current Assignee Address: TW New Taipei
- Agency: Li & Cai Intellectual Property (USA) Office
- Priority: TW100126217A 20110725
- Main IPC: H02H3/22
- IPC: H02H3/22 ; H02H9/00 ; H02H9/04
Abstract:
A Power over Ethernet (PoE) Power Device (PD) circuit and a protection circuit of electrostatic discharge (ESD) thereof are provided. The protection circuit of ESD includes a transient voltage suppressor (TVS) and a high-voltage capacitor, wherein the TVS and the high-voltage capacitor are coupled in series between a negative power terminal and a grounding terminal to reduce system malfunctions or damages when ESD or transient voltage surge occurs.
Public/Granted literature
- US20130031383A1 POWER OVER ETHERNET POWERED DEVICE CIRCUIT AND ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT THEREOF Public/Granted day:2013-01-31
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