JPS5872999U - Pulse motor drive circuit - Google Patents
Pulse motor drive circuitInfo
- Publication number
- JPS5872999U JPS5872999U JP16858881U JP16858881U JPS5872999U JP S5872999 U JPS5872999 U JP S5872999U JP 16858881 U JP16858881 U JP 16858881U JP 16858881 U JP16858881 U JP 16858881U JP S5872999 U JPS5872999 U JP S5872999U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- pulse motor
- drive circuit
- motor drive
- current flowing
- 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
Links
Landscapes
- Control Of Stepping 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の実施例を示す回路図、第２図は本考案の
実施例を示す回路図である。
１・・・・・・モータのコイル、２・・・・・・トラン
ジスタ、３・・・・・・抵抗、４・・・・・・電圧比較
器、５・・・・・・ＮＡＮＤ回路、６・・・・・・ダイ
オード。FIG. 1 is a circuit diagram showing a conventional embodiment, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. 1... Motor coil, 2... Transistor, 3... Resistor, 4... Voltage comparator, 5... NAND circuit, 6...Diode.
Claims (1)
それぞれ０Ｎ−ＯＦＦするたすき掛は状に配置した４個
の半導体素子と、前記半導体素子が、ＯＦＦする際コイ
ルに発生する逆起電力を逃がす素子と、コイルに流れる
電流を検出する抵抗と、前記抵抗によって発生する電圧
と基準電圧とを比較しコイルに流れる平均電流が一定に
なるように前記半導体素子をフィードバック制御する制
御素子からなるパルスモータ駆動回路において、前記逆
起電力を逃がす素子及び前記検出抵抗を常時コイル電流
を検出できるように配置したことを特徴とするパルスモ
ータ駆動回路。four semiconductor elements arranged in a cross-over pattern that turn off current flowing from both directions in one coil of a pulse motor; and an element that releases back electromotive force generated in the coil when the semiconductor elements are turned off. , a pulse motor drive circuit consisting of a resistor that detects the current flowing through the coil, and a control element that compares the voltage generated by the resistor with a reference voltage and performs feedback control of the semiconductor element so that the average current flowing through the coil is constant. 2. A pulse motor drive circuit according to claim 1, wherein the element for releasing the back electromotive force and the detection resistor are arranged so that a coil current can be detected at all times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16858881U JPS5872999U (en) | 1981-11-12 | 1981-11-12 | Pulse motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16858881U JPS5872999U (en) | 1981-11-12 | 1981-11-12 | Pulse motor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5872999U true JPS5872999U (en) | 1983-05-17 |
Family
ID=29960629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16858881U Pending JPS5872999U (en) | 1981-11-12 | 1981-11-12 | Pulse motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872999U (en) |
-
1981
- 1981-11-12 JP JP16858881U patent/JPS5872999U/en active Pending
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