Protection circuit for a standard connector adapter and protection method thereof

A technology for protecting circuits and connectors, which is used in emergency protection circuit devices, protection against overvoltage, and protection against fault current, etc. It can solve problems such as damage to cable equipment, fire, equipment melting, etc.

Active Publication Date: 2015-08-12
FAIRCHILD SEMICON SUZHOU +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In some cases, if the power passing through these cables or connectors becomes too high, it can damage the cables, connectors, or coupled equipment, and even cause them to melt or catch fire

Method used

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  • Protection circuit for a standard connector adapter and protection method thereof
  • Protection circuit for a standard connector adapter and protection method thereof
  • Protection circuit for a standard connector adapter and protection method thereof

Examples

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example 22

[0059] In Example 22, a system or apparatus may comprise, or optionally be combined with, any part or any combination of any part of any one or more of Examples 1-21, thereby comprising performing Examples 1-21 An apparatus of any one or more of the functions of Examples 1-21, or a machine-readable medium comprising instructions that, when executed by a machine, cause the machine to perform any one or more of the functions of Examples 1-21.

[0060] The above detailed description refers to the accompanying drawings, which are a part of this detailed description. The drawings show by way of diagrams specific embodiments to which the invention may be applied. These embodiments are also referred to herein as "examples." These examples may include elements in addition to those shown or described. However, the inventors also contemplate examples in which only those elements shown or described are provided. In addition, the inventors also contemplate utilizing the illustrated or ...

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PUM

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Abstract

This document discusses, among other things, a protection system and method configured to detect a parasitic impedance between first and second pins of a standard connector and to remove a current path between a power source and a supply pin of the standard connector if a low-impedance is detected, in certain examples, without adding a current sense resistance to a return path between a ground pin of the standard connector and the power source.

Description

technical field [0001] The present application relates generally to electronic circuits and, more particularly, to standard connector adapter protection circuits and methods of protection. Background technique [0002] Many electronic devices are configured for use with standard cables and connectors, eg, to charge the electronic device, transfer data, connect one or more accessory devices, and the like. In some cases, if the power passing through these cables or connectors becomes too high, it can damage the cables, connectors, or coupled equipment, and even cause them to melt or catch fire. Contents of the invention [0003] Discussed herein, among other things, are protection systems and methods configured to: in some examples, detect a parasitic impedance between a first pin and a second pin of a standard connector, and removing the current path between the power supply and the supply pin of the standard connector when abnormally low impedance is detected, without add...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/10
CPCH02H1/0007H02H3/20H02H3/16
Inventor 陶智博大卫·昆斯特姜元硕洪克
Owner FAIRCHILD SEMICON SUZHOU
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