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Type-C interface protection circuit, method and device, storage medium and electronic equipment

An interface protection and interface technology, which is applied in the field of field circuits, can solve problems such as accelerating the redox reaction of metal connectors and corrosion of metal PIN pins.

Pending Publication Date: 2021-05-18
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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Problems solved by technology

When the user uses the Type-C interface for a long time, sweat and water stains will inevitably occur, and these sweat and water stains will become electrolytes for electrochemical corrosion. When the Type-C interface is powered on, the metal PIN will undergo electrochemical reactions. Accelerate the oxidation-reduction reaction of metal connectors, resulting in corrosion of metal PIN pins

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  • Type-C interface protection circuit, method and device, storage medium and electronic equipment
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  • Type-C interface protection circuit, method and device, storage medium and electronic equipment

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Embodiment Construction

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0045] In the description of the present application, it should be understood that the terms "first", "second" and so on are used for descriptive purposes only, and should not be understood as indicating or implying relative importance. In the description of the present application, it should be noted that, unless otherwise specified and limited, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system,...

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Abstract

The embodiment of the invention discloses a Type-C interface protection circuit. The Type-C interface protection circuit comprises a Type-C interface, a comparator, a processor, a first voltage source and a second voltage source, wherein the Type-C interface comprises a grounding pin, and the processor comprises a GPIO pin, and the processor is used for stopping powering on the Type-C interface when the processor receives the low level signal through the GPIO pin, or powering on the Type-C interface when the processor receives the high level signal. Through adoption of the embodiment of the invention, the probability of electrochemical corrosion of the Type-C interface can be reduced, the service life of the Type-C interface is effectively prolonged, and the use reliability of the Type-C interface is effectively improved.

Description

technical field [0001] The present application relates to the field of circuit technology, and in particular to a Type-C interface protection circuit, method, device, storage medium and electronic equipment. Background technique [0002] With the development of electronic technology and communication technology, the mobile communication industry has developed rapidly, and mobile terminals have become a necessity for people's daily work and life. The Type-C interface supports double-sided insertion of the interface, which formally solves the problem of distinguishing the front and back sides when inserting the interface before, and realizes that both sides can be inserted. At the same time, the data cable used with it is also thinner and lighter. In the prior art, under normal circumstances, there is always a periodic square wave with an amplitude of about 3V polling on the Type-C interface, so as to detect whether the Type-C interface is in the inserted state. When the use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40G06F13/42G06F21/85
CPCG06F13/4068G06F13/4282G06F21/85G06F2213/0002
Inventor 刘志勇
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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