JPS6039393A - Ic for motor control circuit - Google Patents
Ic for motor control circuitInfo
- Publication number
- JPS6039393A JPS6039393A JP58148634A JP14863483A JPS6039393A JP S6039393 A JPS6039393 A JP S6039393A JP 58148634 A JP58148634 A JP 58148634A JP 14863483 A JP14863483 A JP 14863483A JP S6039393 A JPS6039393 A JP S6039393A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- lowest potential
- control circuit
- terminal
- circuit
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
- H02P7/04—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of a H-bridge circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor And Converter Starters (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は、モータ制御回路用工Ｃに関する。[Detailed description of the invention] The present invention relates to a motor control circuit construction C.
モータ制御回路には第１図に示すように、モータＭの回
転方向を、図示のように電施工１．工２の方向を制御し
て切換えるた啼に、複数のトランジスタＱ１〜Ｑ４をブ
リッジ形に接続してなるモータ回転方向切換回路ａと、
とのモータ回転方向切換回路ａの各トランジスタＱ１〜
Ｑ４の切換えを制御する第１、第２ドライバ段す、ｂ、
、とを有し、モータ回転方向切換回路ａの第１最低電位
部ｃ、、ｃ２と、第１゜第２ドライバ段す、、ｂ２の第
２最低電位部ｄＩｌａ２とを共通に接続したものがある
。このようなモータ制御回路に、更にモータＭのスピー
ドを制御する回路ｅを第〕−図のように接続すると、モ
ータスピード制御回路ｅのトランジスタＱ５のコレクタ
・エミッタ間電圧か、そのベースに与えられるスピー）
” ：Ｉ７１−ロール信号により変化し、これにょ９第
２最低電位部ｃＬ、、ｃ１２の最低電位か変動する。こ
の変動は、第１．第２１．ライバ段す、、ｂ２の動作に
好ましくない影響を及はす。特に、モータ回転方向切換
回路ａと第１．第２ドライバ段ｂＩＴ ｂ２とを工Ｃ化
する場合に、第１．第２最低電位部ｃ、、ｃ２゜ｄ＋、
’ｄｄ Ｉ Ｃのサブス）・レーＩｎて接続されること
になるのて、望ましくない。As shown in FIG. 1, the motor control circuit controls the rotational direction of the motor M as shown in FIG. A motor rotation direction switching circuit a formed by connecting a plurality of transistors Q1 to Q4 in a bridge configuration for controlling and switching the direction of the motor 2;
Each transistor Q1 of the motor rotation direction switching circuit a with
first and second driver stages controlling the switching of Q4; b;
, and the first lowest potential portions c, , c2 of the motor rotation direction switching circuit a and the second lowest potential portions dIla2 of the first and second driver stages , b2 are connected in common. be. When a circuit e for controlling the speed of the motor M is further connected to such a motor control circuit as shown in Fig. speed)
” :I71-Changes depending on the roll signal, and this also changes the lowest potential of the 9th second lowest potential portions cL, , c12. This fluctuation is unfavorable for the operation of the 1st, 21st, driver stages, b2. In particular, when the motor rotation direction switching circuit a and the first and second driver stages bIT b2 are engineered, the first and second lowest potential parts c, , c2 ゜d+,
It is undesirable that the DD IC subsystem will be connected to the RAID.
本発明は、上述の技術的課題を解決し、モータ回転方向
切換回路とそのトライバ段とをＩＣ化する場合にトライ
バ段の最低電位か、モータ回転方向切換回路の最低電位
部に接続されるモータスピード制御回路の動作の影響を
受けないようにし、ドライバ段が正確にモータ回転方向
切換回路を動作させることができるようにしてなるモー
タ制御回路用工Ｃを提供することを目的とする。The present invention solves the above-mentioned technical problem, and when a motor rotation direction switching circuit and its driver stage are integrated into an IC, the lowest potential of the driver stage or the motor connected to the lowest potential part of the motor rotation direction switching circuit is provided. It is an object of the present invention to provide a motor control circuit construction C which allows a driver stage to accurately operate a motor rotation direction switching circuit without being influenced by the operation of a speed control circuit.
以下、本発明を第２図に示す一実施例に基づいて詳細に
説明する。Hereinafter, the present invention will be explained in detail based on an embodiment shown in FIG.
第２図はこの実施例のモータ制御回路用工Ｃの内部回路
図であり、第１図と対応する部分には同一の符号が付さ
れる。この実施例の工Ｃｇば、モータ回転方向切換回路
ａと第１．第２トライバ段す、、ｂ２とを備える。モー
タ回転方向切換回路ａは、複数の、実施例では４個のト
ランジスタＱ１〜Ｑ４をブリッジ形に設けて々るととも
に、各トランジスタＱ１．（と、Ｑ、３． Ｃ４との各
共通接続間において、モータＭを接続するための第１．
第２端子ｆ、、ｆ２を有する。モータ回転方向切換回路
ａの第１最低電位部Ｃ１，Ｃ２ばこの工Ｃｇの第３端子
ｆ３に接続される。第１．第２ドライバ段す、、ｂ２ば
、それぞれ、トランジスタ（、Ｃ７、Ｑ８１Ｑ９、ダイ
オードＤ、、Ｄ２、および抵抗Ｒ１〜Ｒ４を備え、その
第２最低電位部ｄ１゜ｄ２は、工Ｃｇのサブストレート
に共通に接続されるとともに、工Ｃｇ、の第４端子ｆ、
に接続される。FIG. 2 is an internal circuit diagram of the motor control circuit C of this embodiment, and parts corresponding to those in FIG. 1 are given the same reference numerals. In this embodiment, the motor rotation direction switching circuit a and the first . , b2. The motor rotation direction switching circuit a includes a plurality of transistors Q1 to Q4, four in this embodiment, arranged in a bridge configuration, and each transistor Q1. (and Q, 3. Between each common connection with C4, the first .
It has second terminals f, , f2. The first lowest potential portions C1 and C2 of the motor rotation direction switching circuit a are connected to the third terminal f3 of the fan Cg. 1st. The second driver stages , , b2 respectively include transistors ( , C7, Q81, Q9, diodes D, , D2, and resistors R1 to R4, and their second lowest potential parts d1 and d2 are connected to the substrate of the circuit Cg. are connected in common, and the fourth terminal f of Cg,
connected to.
ｉ３端子ｆ３には、モータスピード制御回路ｅか接続さ
れ、第４端子ｆ４は、接地される。The motor speed control circuit e is connected to the i3 terminal f3, and the fourth terminal f4 is grounded.
したかつて、この実施例においては、モータスピード制
御回路ｅのトランジスタＱ５のベースに与えられるモー
タスピード制御信号によりこのトランジスタＱ５のコレ
クタ エミッタ間電圧か変動しても、これにより第１．
第２ドライバ段す、、ｂ２の最低電位部ｄ１．Ｃ１２の
電位か何ら影響されることがない。したかつて、第１．
第２トライバ段す、、ｂ２を正確に動作させてモータ回
転方向切換回路ａを切換えることかできることになり、
モータ回転方向切換回路ａと第１．第２ドライバ段す、
、ｂ、、とを工Ｃ化する場合に従来技術のような上述し
た問題点か解消される。In this embodiment, even if the collector-emitter voltage of transistor Q5 fluctuates due to the motor speed control signal applied to the base of transistor Q5 of motor speed control circuit e, this causes the first .
The lowest potential portion d1.,b2 of the second driver stage. The potential of C12 is not affected in any way. Once upon a time, the first.
This means that the motor rotation direction switching circuit a can be switched by accurately operating the second driver stage b2.
The motor rotation direction switching circuit a and the first. second driver stage;
, b, , and C, the above-mentioned problems of the prior art can be solved.
以上のように、本発明によれば、モータの制御回路の最
低電位部に接続された端子とは別に、前記回路の制御動
作のだめのトライバ段の最低電位部に接続された端子を
有するので、制御回路にモータ回転方向切換回路を適用
し、モータ回転方向切換回路の最低電位部に接続された
端子に例えば、モータスピード制御回路を接続するとと
もに、ドライバ段の最低電位部に接続された端子を接地
するようにすれば、モータスピード制御回路の動作に影
響されることなく、ドライバ段を正確に駆動してモータ
回転方向切換回路を切換動作させることができ、モータ
を正確に制御できるＩＣ化された制御回路を得ることが
可能になる。As described above, according to the present invention, in addition to the terminal connected to the lowest potential part of the motor control circuit, there is a terminal connected to the lowest potential part of the driver stage that is used for control operation of the circuit. A motor rotation direction switching circuit is applied to the control circuit, and the motor speed control circuit is connected to the terminal connected to the lowest potential part of the motor rotation direction switching circuit, and the terminal connected to the lowest potential part of the driver stage is connected to the terminal connected to the lowest potential part of the motor rotation direction switching circuit. If it is grounded, the driver stage can be accurately driven and the motor rotation direction switching circuit can be switched without being affected by the operation of the motor speed control circuit. It becomes possible to obtain a control circuit with
第１図は従来例の回路図、第２図は本発明の一実施例の
回路図である。
ａ・・モータ回転方向切換回路、ｂ、、ｂ２ 第１・第
２ドライバ段、Ｃ１，Ｃ２・第１最低電位部、ｄｌ。
ｄ２・・第２最低電位部、ｅ・・モータスピード制御回
路、ｆ３． ｆ４・・端子、ｇ−・工Ｃ６特許出願人
ローム株式会社
代 理 人 弁理士岡田和秀
第１図FIG. 1 is a circuit diagram of a conventional example, and FIG. 2 is a circuit diagram of an embodiment of the present invention. a...Motor rotation direction switching circuit, b,, b2, first and second driver stages, C1, C2, first lowest potential section, dl. d2...Second lowest potential section, e...Motor speed control circuit, f3. f4...terminal, g-...engine C6 patent applicant
Representative of ROHM Co., Ltd. Patent attorney Kazuhide Okada Figure 1
Claims (1)
端子とは別に、前記回路の制御動作のだめのドライバ段
の第２最低電位部に接続された端子を有するとともに、
第１最低電位部をサブストレートから離す一方、第２最
低電位部をサブストレートに接続してなるモータ制御回
路用ＩＣ８(1) Separately from the terminal connected to the first lowest potential part of the control circuit of the motor, it has a terminal connected to the second lowest potential part of the driver stage that is used for control operation of the circuit, and
IC8 for a motor control circuit in which the first lowest potential part is separated from the substrate and the second lowest potential part is connected to the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58148634A JPS6039393A (en) | 1983-08-11 | 1983-08-11 | Ic for motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58148634A JPS6039393A (en) | 1983-08-11 | 1983-08-11 | Ic for motor control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6039393A true JPS6039393A (en) | 1985-03-01 |
Family
ID=15457174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58148634A Pending JPS6039393A (en) | 1983-08-11 | 1983-08-11 | Ic for motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6039393A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107297U (en) * | 1989-02-10 | 1990-08-27 | ||
| JPH03124293A (en) * | 1989-10-05 | 1991-05-27 | Fuji Electric Co Ltd | Voice coil motor driving circuit for magnetic disk device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235497B2 (en) * | 1972-04-14 | 1977-09-09 |
-
1983
- 1983-08-11 JP JP58148634A patent/JPS6039393A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235497B2 (en) * | 1972-04-14 | 1977-09-09 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107297U (en) * | 1989-02-10 | 1990-08-27 | ||
| JPH03124293A (en) * | 1989-10-05 | 1991-05-27 | Fuji Electric Co Ltd | Voice coil motor driving circuit for magnetic disk device |
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