CIRCUIT FOR PROTECTING USB INTERFACE OF TERMINAL CHIP

Title:

CIRCUIT FOR PROTECTING USB INTERFACE OF TERMINAL CHIP

Document Type and Number:

WIPO Patent Application WO/2016/177199

Kind Code:

A1

Abstract:

A circuit for protecting a USB interface of a terminal chip comprises a first resistor (R0) and a first diode (D0), the first resistor (R0) and the first diode (D0) are connected in parallel and arranged to be located between a USB ID pin of the terminal chip and a power supply (VDD). The circuit further comprises a protective element; the protective element is arranged to be located between the USB ID pin of the terminal chip and the USB ID pin of a terminal USB socket, and the protective element is a second resistor (R1) or a second diode (D1).

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Inventors:

ZENG HAIJUN (CN)

Application Number:

PCT/CN2016/077713

Publication Date:

November 10, 2016

Filing Date:

March 29, 2016

Export Citation:

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Assignee:

ZTE CORP (CN)

International Classes:

H02H9/04; G06F13/40

Foreign References:

CN104615569A	2015-05-13
CN103078982A	2013-05-01
CN104253459A	2014-12-31
CN202856336U	2013-04-03
EP2293194A1	2011-03-09

Attorney, Agent or Firm:

AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
北京安信方达知识产权代理有限公司 (CN)

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