JPH01166497U - - Google Patents
Info
- Publication number
- JPH01166497U JPH01166497U JP6412388U JP6412388U JPH01166497U JP H01166497 U JPH01166497 U JP H01166497U JP 6412388 U JP6412388 U JP 6412388U JP 6412388 U JP6412388 U JP 6412388U JP H01166497 U JPH01166497 U JP H01166497U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- power supply
- collector
- emitter
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図はこの考案の他の実施例を示す回路図、第３
図はこの考案のさらに他の実施例を示す回路図、
第４図は従来のブラシレスモータの駆動回路を示
す回路図、第５図はモータ回転時のトランジスタ
におけるコレクタ電圧波形を示すグラフ図である
。
なお、各図中同一符号は同一または相当部分を
示し、１はコイル、２，５はトランジスタ、３，
６はツエナーダイオード、４，７は抵抗、Ｖｃｃ
は電源の＋側、ＧＮＤは電源の一側、ａは入力端
子である。
Figure 1 is a circuit diagram showing one embodiment of this invention, Figure 2 is a circuit diagram showing another embodiment of this invention, and Figure 3 is a circuit diagram showing another embodiment of this invention.
The figure is a circuit diagram showing yet another embodiment of this invention.
FIG. 4 is a circuit diagram showing a conventional brushless motor drive circuit, and FIG. 5 is a graph showing a collector voltage waveform in a transistor when the motor is rotating. In addition, the same reference numerals in each figure indicate the same or corresponding parts, 1 is a coil, 2 and 5 are transistors, 3,
6 is a Zener diode, 4 and 7 are resistors, Vcc
is the + side of the power supply, GND is one side of the power supply, and a is the input terminal.
Claims (1)
エミツタ間に設けられた抵抗と、上記トランジス
タのベースとコレクタ間にその出力から入力方向
が逆方向になるよう設けられたツエナーダイオー
ドとから構成した回路を２段に直列に接続し、上
記一方のトランジスタのコレクタをコイルを介し
て電源に接続するとともに、ベースを抵抗を介し
て電源に接続し、他方のトランジスタのエミツタ
を電源に接続するとともに、ベースを入力端子と
したことを特徴とするブラシレスモータの駆動回
路。 A two-stage circuit consisting of a transistor, a resistor installed between the base and emitter of this transistor, and a Zener diode installed between the base and collector of the transistor so that the input direction is opposite to the output. The collector of one of the above transistors is connected to the power supply through the coil, the base is connected to the power supply through the resistor, the emitter of the other transistor is connected to the power supply, and the base is connected to the input terminal. A brushless motor drive circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6412388U JPH01166497U (en) | 1988-05-16 | 1988-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6412388U JPH01166497U (en) | 1988-05-16 | 1988-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166497U true JPH01166497U (en) | 1989-11-21 |
Family
ID=31289604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6412388U Pending JPH01166497U (en) | 1988-05-16 | 1988-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166497U (en) |
-
1988
- 1988-05-16 JP JP6412388U patent/JPH01166497U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01166497U (en) | ||
| JPH01132127U (en) | ||
| JPS6315632U (en) | ||
| JPS6025220U (en) | selection drive circuit | |
| JPS5846171U (en) | Saturation voltage detection circuit | |
| JPS61107134U (en) | ||
| JPS60192699U (en) | Pulse motor drive circuit | |
| JPH0213751U (en) | ||
| JPS63114315U (en) | ||
| JPH02130011U (en) | ||
| JPS59132394U (en) | Brushless motor drive circuit | |
| JPS62109215U (en) | ||
| JPS60158336U (en) | encoder | |
| JPS6031196U (en) | Overtemperature rise prevention circuit for brushless motors | |
| JPS62187317U (en) | ||
| JPH048537U (en) | ||
| JPS6194916U (en) | ||
| JPS63114524U (en) | ||
| JPS61124109U (en) | ||
| JPH0226875U (en) | ||
| JPH02150836U (en) | ||
| JPS596218U (en) | constant voltage circuit | |
| JPS61188843U (en) | ||
| JPH02147000U (en) | ||
| JPS6027534U (en) | Pulse generation circuit |