JPH0326281U - - Google Patents

Info

Publication number
JPH0326281U
JPH0326281U JP8590289U JP8590289U JPH0326281U JP H0326281 U JPH0326281 U JP H0326281U JP 8590289 U JP8590289 U JP 8590289U JP 8590289 U JP8590289 U JP 8590289U JP H0326281 U JPH0326281 U JP H0326281U
Authority
JP
Japan
Prior art keywords
voltage
circuit
turns
source
power mosfet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8590289U
Other languages
English (en)
Other versions
JPH087831Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989085902U priority Critical patent/JPH087831Y2/ja
Publication of JPH0326281U publication Critical patent/JPH0326281U/ja
Application granted granted Critical
Publication of JPH087831Y2 publication Critical patent/JPH087831Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Control Of Voltage And Current In General (AREA)
  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1の実施例を示す回路図、
第2図は第1図に示された実施例の動作を説明す
るための各部信号のタイミングチヤート、第3図
は本考案の第2の実施例を示す回路図、第4図は
従来の過電流防止回路の一例を示す回路図である
。 1……スイツチ回路、2……検出回路、3,3
A……制御回路、4……検出制御回路、10……
負荷回路、Q1……パワーMOSFET、Q2〜
Q4……MOSFET、R1〜R5……抵抗、S
R1……サイリスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 入力信号に従つてオン、オフし負荷回路に電流
    を供給するパワーMOSFETを備えたスイツチ
    回路と、前記入力信号に従つて前記パワーMOS
    FETのオン、オフよりやや送れてオン、オフす
    るMOSFETを備え前記パワーMOSFETの
    ソース、ドレイン間の電圧を検出してこのソース
    、ドレイン間の電圧と対応した検出電圧を出力す
    る検出回路と、前記検出電圧に応じてオン、オフ
    するスイツチ素子を備え前記パワーMOSFET
    のゲート、ソース間の電圧を制御する制御回路と
    を有することを特徴とする過電流防止回路。
JP1989085902U 1989-07-21 1989-07-21 過電流防止回路 Expired - Lifetime JPH087831Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989085902U JPH087831Y2 (ja) 1989-07-21 1989-07-21 過電流防止回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989085902U JPH087831Y2 (ja) 1989-07-21 1989-07-21 過電流防止回路

Publications (2)

Publication Number Publication Date
JPH0326281U true JPH0326281U (ja) 1991-03-18
JPH087831Y2 JPH087831Y2 (ja) 1996-03-04

Family

ID=31635264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989085902U Expired - Lifetime JPH087831Y2 (ja) 1989-07-21 1989-07-21 過電流防止回路

Country Status (1)

Country Link
JP (1) JPH087831Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998053951A1 (fr) * 1997-05-30 1998-12-03 Fanuc Ltd Moteur synchrone de commande de broche principale

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63318781A (ja) * 1987-06-22 1988-12-27 Nissan Motor Co Ltd 過電流保護機能を備えたmosfet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63318781A (ja) * 1987-06-22 1988-12-27 Nissan Motor Co Ltd 過電流保護機能を備えたmosfet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998053951A1 (fr) * 1997-05-30 1998-12-03 Fanuc Ltd Moteur synchrone de commande de broche principale

Also Published As

Publication number Publication date
JPH087831Y2 (ja) 1996-03-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term