JPS5923290U - Chopper control circuit with overcurrent protection circuit - Google Patents

Chopper control circuit with overcurrent protection circuit

Info

Publication number
JPS5923290U
JPS5923290U JP11470482U JP11470482U JPS5923290U JP S5923290 U JPS5923290 U JP S5923290U JP 11470482 U JP11470482 U JP 11470482U JP 11470482 U JP11470482 U JP 11470482U JP S5923290 U JPS5923290 U JP S5923290U
Authority
JP
Japan
Prior art keywords
circuit
overcurrent protection
control circuit
chopper control
protection circuit
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
JP11470482U
Other languages
Japanese (ja)
Other versions
JPH0139118Y2 (en
Inventor
滝澤　公二
Original Assignee
株式会社東海理化電機製作所
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 by 株式会社東海理化電機製作所 filed Critical 株式会社東海理化電機製作所
Priority to JP11470482U priority Critical patent/JPS5923290U/en
Publication of JPS5923290U publication Critical patent/JPS5923290U/en
Application granted granted Critical
Publication of JPH0139118Y2 publication Critical patent/JPH0139118Y2/ja
Granted legal-status Critical Current

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  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の回路の回路図、第２図および第３図はそ
れぞれ本考案の一実施例よりなる過電流保護回路付きチ
ョッパ制御回路の回路図である。 ３・・・出力トランジスタ、４・・・負荷、７・・・チ
ョッパ制御回路、１０，１３．２０・・・トランジスタ
、１６・・・コンデンサ、２３．２６・・・比較器。FIG. 1 is a circuit diagram of a conventional circuit, and FIGS. 2 and 3 are circuit diagrams of a chopper control circuit with an overcurrent protection circuit according to an embodiment of the present invention. 3... Output transistor, 4... Load, 7... Chopper control circuit, 10, 13.20... Transistor, 16... Capacitor, 23.26... Comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 升ヨツバル制御回路の出力トランジスタのコレクターエ
ミッタ間電圧を検出する検出回路と、該検出回路の出力
により充放電するコンデンサと、該コレデンサの電位を
検出し前記出力トランジスタのベース−エミッタ間をシ
ョートするスイッチング回路とからなる過電流保護回路
を有するチョッパ制御回路。A detection circuit that detects the collector-emitter voltage of the output transistor of the Masu Yotsubaru control circuit, a capacitor that is charged and discharged by the output of the detection circuit, and a switching device that detects the potential of the co-capacitor and short-circuits between the base and emitter of the output transistor. A chopper control circuit having an overcurrent protection circuit consisting of a circuit.
JP11470482U 1982-07-30 1982-07-30 Chopper control circuit with overcurrent protection circuit Granted JPS5923290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11470482U JPS5923290U (en) 1982-07-30 1982-07-30 Chopper control circuit with overcurrent protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11470482U JPS5923290U (en) 1982-07-30 1982-07-30 Chopper control circuit with overcurrent protection circuit

Publications (2)

Publication Number Publication Date
JPS5923290U true JPS5923290U (en) 1984-02-13
JPH0139118Y2 JPH0139118Y2 (en) 1989-11-22

Family

ID=30265050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11470482U Granted JPS5923290U (en) 1982-07-30 1982-07-30 Chopper control circuit with overcurrent protection circuit

Country Status (1)

Country Link
JP (1) JPS5923290U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62173103U (en) * 1986-04-19 1987-11-04
JPS62173104U (en) * 1986-04-19 1987-11-04

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749367A (en) * 1980-09-08 1982-03-23 Meidensha Electric Mfg Co Ltd Controlling device for base current of transistor chopper

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749367A (en) * 1980-09-08 1982-03-23 Meidensha Electric Mfg Co Ltd Controlling device for base current of transistor chopper

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62173103U (en) * 1986-04-19 1987-11-04
JPS62173104U (en) * 1986-04-19 1987-11-04
JPH0312165Y2 (en) * 1986-04-19 1991-03-22
JPH0312166Y2 (en) * 1986-04-19 1991-03-22

Also Published As

Publication number Publication date
JPH0139118Y2 (en) 1989-11-22

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