JPS5963696U - Motor drive circuit - Google Patents

Motor drive circuit

Info

Publication number
JPS5963696U
JPS5963696U JP1982159427U JP15942782U JPS5963696U JP S5963696 U JPS5963696 U JP S5963696U JP 1982159427 U JP1982159427 U JP 1982159427U JP 15942782 U JP15942782 U JP 15942782U JP S5963696 U JPS5963696 U JP S5963696U
Authority
JP
Japan
Prior art keywords
drive circuit
motor drive
control transistor
transistor
current detection
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.)
Pending
Application number
JP1982159427U
Other languages
Japanese (ja)
Inventor
純一 足立
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP1982159427U priority Critical patent/JPS5963696U/en
Publication of JPS5963696U publication Critical patent/JPS5963696U/en
Pending legal-status Critical Current

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  • Control Of Direct Current Motors (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 drawings]

第１図は従来のモータ駆動回路の回路図、第２図は本考
案の一実施例の回路図、第３爾は従来例の電流−負荷特
性図、第４図は本考案の一実施例の電流−負荷特性図で
ある。 １は直流電源、２はモータ、３は制御回路、Ｑ□は制御
トランジスタ、Ｑ２は電流検出トランジスタ、Ｒｏは制
御トランジスタＱ工のエミッタ抵抗。Figure 1 is a circuit diagram of a conventional motor drive circuit, Figure 2 is a circuit diagram of an embodiment of the present invention, Figure 3 is a current-load characteristic diagram of the conventional example, and Figure 4 is an embodiment of the present invention. FIG. 3 is a current-load characteristic diagram of FIG. 1 is a DC power supply, 2 is a motor, 3 is a control circuit, Q□ is a control transistor, Q2 is a current detection transistor, and Ro is an emitter resistance of the control transistor Q.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータと直列に接続された制御トランジスタとこの制御
トランジスタを流れる電流を検出する電流検出トランジ
スタとを備え、電流検出トランジスタの導通により制御
トランジスタのベース・エミッタ間を短絡する構成とし
たモータ駆動回路。A motor drive circuit comprising a control transistor connected in series with a motor and a current detection transistor that detects a current flowing through the control transistor, and configured to short-circuit between the base and emitter of the control transistor by conduction of the current detection transistor.
JP1982159427U 1982-10-20 1982-10-20 Motor drive circuit Pending JPS5963696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982159427U JPS5963696U (en) 1982-10-20 1982-10-20 Motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982159427U JPS5963696U (en) 1982-10-20 1982-10-20 Motor drive circuit

Publications (1)

Publication Number Publication Date
JPS5963696U true JPS5963696U (en) 1984-04-26

Family

ID=30350949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982159427U Pending JPS5963696U (en) 1982-10-20 1982-10-20 Motor drive circuit

Country Status (1)

Country Link
JP (1) JPS5963696U (en)

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