JPS6073390U - Motor drive circuit - Google Patents

Motor drive circuit

Info

Publication number
JPS6073390U
JPS6073390U JP16575383U JP16575383U JPS6073390U JP S6073390 U JPS6073390 U JP S6073390U JP 16575383 U JP16575383 U JP 16575383U JP 16575383 U JP16575383 U JP 16575383U JP S6073390 U JPS6073390 U JP S6073390U
Authority
JP
Japan
Prior art keywords
motor
current control
drive circuit
current
motor drive
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
JP16575383U
Other languages
Japanese (ja)
Inventor
茂 飯田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP16575383U priority Critical patent/JPS6073390U/en
Publication of JPS6073390U publication Critical patent/JPS6073390U/en
Pending legal-status Critical Current

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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) [Summary] 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図は従来のモータ駆動回路を示す回路構成図、第２
図は小型直流モータの電流特性図、第３図は本考案の一
実施例を示す回路構成図、第４図は同実施例におけるモ
ータ起動時及び定常時のトランジスタベース電流ＩＢ、
負荷抵抗、消費電力の概算値を示す図である。 ２１・・・ＬＳＩ、２２・・・ワンショット回路、２３
・・・ＭＯＳトランジスタ、２４・・・モータ駆動回路
、２５〜２７・・・トランジスタ、３４・・・モータ。Figure 1 is a circuit diagram showing a conventional motor drive circuit, Figure 2 is a circuit diagram showing a conventional motor drive circuit.
The figure is a current characteristic diagram of a small DC motor, Figure 3 is a circuit configuration diagram showing an embodiment of the present invention, Figure 4 is a transistor base current IB during motor startup and steady state in the same embodiment,
FIG. 3 is a diagram showing approximate values of load resistance and power consumption. 21...LSI, 22...One-shot circuit, 23
...MOS transistor, 24...motor drive circuit, 25-27...transistor, 34...motor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータと電源との間に最大電流制御用スイッチング回路
が接続されたモータ駆動回路において、上記スイッチン
グ回路の最大通過電流量の値を制御する複数の電流制御
用抵抗と、モータ起動指令が与えられた際、モータ起動
最大電流が上記スイッチング回路を通過できるよ１うに
上記電流制御用抵抗の値を選択切換えする手段と、上記
モータの定常駆動時はモータ定常駆動に必要な電流が上
記スイッチング回路を通過できるように上記電流制御用
抵抗の値を選択切換する手段とを具備したことを特徴と
するモータ駆動回路。In a motor drive circuit in which a maximum current control switching circuit is connected between the motor and a power source, a plurality of current control resistors that control the value of the maximum passing current of the switching circuit and a motor start command are given. means for selectively switching the value of the current control resistor so that the motor starting maximum current can pass through the switching circuit, and when the motor is being driven steadily, the current necessary for steady motor driving is passing through the switching circuit. 1. A motor drive circuit comprising: means for selectively switching the value of the current control resistor so that the current control resistance can be controlled.
JP16575383U 1983-10-26 1983-10-26 Motor drive circuit Pending JPS6073390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16575383U JPS6073390U (en) 1983-10-26 1983-10-26 Motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16575383U JPS6073390U (en) 1983-10-26 1983-10-26 Motor drive circuit

Publications (1)

Publication Number Publication Date
JPS6073390U true JPS6073390U (en) 1985-05-23

Family

ID=30363058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16575383U Pending JPS6073390U (en) 1983-10-26 1983-10-26 Motor drive circuit

Country Status (1)

Country Link
JP (1) JPS6073390U (en)

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