JPS5859395U - Step motor drive circuit - Google Patents
Step motor drive circuitInfo
- Publication number
- JPS5859395U JPS5859395U JP15371281U JP15371281U JPS5859395U JP S5859395 U JPS5859395 U JP S5859395U JP 15371281 U JP15371281 U JP 15371281U JP 15371281 U JP15371281 U JP 15371281U JP S5859395 U JPS5859395 U JP S5859395U
- Authority
- JP
- Japan
- Prior art keywords
- step motor
- control signal
- input control
- drive circuit
- winding
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来例回路の回路図。第2図は本考案実施例回
路の回路図。第3図はその動作説明用波形図。
L・・・・・・電機子巻線、Vi・・・・・・入力制御
信号、Ql、+Q2. Q3・・・・・・双方向トラン
ジスタ。FIG. 1 is a circuit diagram of a conventional circuit. FIG. 2 is a circuit diagram of an embodiment of the present invention. FIG. 3 is a waveform diagram for explaining the operation. L... Armature winding, Vi... Input control signal, Ql, +Q2. Q3... Bidirectional transistor.
Claims (1)
対応する極性であってこの入力制御信号の振幅に対応す
るパルス幅の電圧を与えるように構成されたステップモ
ータの駆動回路において、前記入力制御信号が一極性の
とき前記パルス幅の正電圧を前記巻線に与える第一の双
方向トランジスタと、前記入力制御信号が反対極性のと
き前記パルス幅の負電圧を前記巻線に与える第二の双方
向トランジスタと、前記第一および第二の双方向トラン
ジスタがいずれも非導通のとき前記巻線を短絡する第三
の双方向トランジスタとを備えたことを特徴とするステ
ップモータの駆動回路。In a step motor drive circuit configured to apply a voltage having a polarity corresponding to an input control signal and a pulse width corresponding to the amplitude of the input control signal to a stator armature winding of the step motor, the input control signal a first bidirectional transistor that applies a positive voltage of the pulse width to the winding when the input control signal is of one polarity; and a second bidirectional transistor that applies a negative voltage of the pulse width to the winding when the input control signal has the opposite polarity. 1. A drive circuit for a step motor, comprising: a bidirectional transistor; and a third bidirectional transistor that shorts the winding when both the first and second bidirectional transistors are non-conductive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15371281U JPS5859395U (en) | 1981-10-15 | 1981-10-15 | Step motor drive circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15371281U JPS5859395U (en) | 1981-10-15 | 1981-10-15 | Step motor drive circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5859395U true JPS5859395U (en) | 1983-04-21 |
Family
ID=29946320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15371281U Pending JPS5859395U (en) | 1981-10-15 | 1981-10-15 | Step motor drive circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5859395U (en) |
-
1981
- 1981-10-15 JP JP15371281U patent/JPS5859395U/en active Pending
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