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Integrated overdrive and overvoltage protection device

A protection device, overvoltage technology, applied in the direction of emergency protection circuit device for limiting overcurrent/overvoltage, protection reacting to overvoltage, emergency protection circuit device, etc., can solve problems such as damage

Active Publication Date: 2012-09-19
FAIRCHILD SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mismatched and / or independently operating components can lead to various irregular failure modes and / or damage to downstream components intended for protection at the input power port

Method used

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  • Integrated overdrive and overvoltage protection device
  • Integrated overdrive and overvoltage protection device
  • Integrated overdrive and overvoltage protection device

Examples

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Embodiment Construction

[0023] figure 1 is a block diagram illustrating the input power protection device 100 . like figure 1 As shown in , input power protection device 100 is coupled to overcurrent protection portion 110 (which may include one or more devices), and overcurrent protection portion 110 is coupled to overvoltage protection portion 130 (which may include one or more devices). In addition, the input power protection device 100 includes a control circuit 120 coupled to the overcurrent protection part 110 and the overvoltage protection part 130 . Accordingly, the overcurrent protection portion 110 may be coupled to the overvoltage protection portion 130 when coupled via the control circuit 120 . In some embodiments, the overcurrent protection portion 110 and the overvoltage protection portion 130 (and / or portions thereof) may collectively be referred to as components of the input power protection device 100 .

[0024] Input power protection device 100 is configured to provide power pr...

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PUM

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Abstract

In one general aspect, an apparatus can include an overcurrent protection device. The apparatus can include an overvoltage protection device coupled to the overcurrent protection device and configured to cause the overcurrent protection device to decrease a current through the overvoltage protection device after a breakdown voltage of the overvoltage protection device increases in response to heat.

Description

[0001] Related Application Cross Reference [0002] This application claims priority and interest, said application is incorporated herein by reference in its entirety. [0003] This application also claims priority to U.S. Nonprovisional Patent Application No. 13 / 350,565, filed January 13, 2012, and entitled "Integrated Overdrive and Overvoltage Protection Device" U.S. Nonprovisional Patent Application No. 13 / 350,565 claims priority and benefit to U.S. Provisional Patent Application No. 61 / 439,744, filed February 4, 2011. Both applications are hereby incorporated by reference in their entirety. technical field [0004] This description relates to an integrated overdrive and overvoltage protection device. Background technique [0005] Various devices may be used to protect the input power port and / or related components from undesired power conditions (eg, over-current conditions and / or over-voltage conditions). When multiple devices are used to protect an input power po...

Claims

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Application Information

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IPC IPC(8): H02H3/20H02H9/02
CPCH02H3/20H02H9/025H03K17/0822H03K2017/0806
Inventor 安德里安·米科莱伊恰克
Owner FAIRCHILD SEMICON CORP
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