JPH0451093U - - Google Patents
Info
- Publication number
- JPH0451093U JPH0451093U JP9146290U JP9146290U JPH0451093U JP H0451093 U JPH0451093 U JP H0451093U JP 9146290 U JP9146290 U JP 9146290U JP 9146290 U JP9146290 U JP 9146290U JP H0451093 U JPH0451093 U JP H0451093U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- series circuits
- control
- switching elements
- 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
- 230000007257 malfunction Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
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モータドラ
イバの回路図、第２図は従来のモータドライバを
示す回路図である。
１……制御スイツチング回路、３……電源、５
……ＰＷＭ回路、６……モータ駆動コイル、７…
…誤動作防止回路、Ｑ１〜Ｑ６……スイツチング
トランジスタ（スイツチング素子）、Ｑ７〜Ｑ９
……バイパストランジスタ。
FIG. 1 is a circuit diagram of a motor driver showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional motor driver. 1... Control switching circuit, 3... Power supply, 5
...PWM circuit, 6...Motor drive coil, 7...
...Malfunction prevention circuit, Q1-Q6...Switching transistor (switching element), Q7-Q9
...Bypass transistor.
Claims (1)
数接続された制御スイツチング回路を有し、上記
各直列回路における両スイツチング素子の中間点
にモータ駆動コイルが接続され、スイツチング素
子のオン・オフにより、電源から制御スイツチン
グ回路を介してモータ駆動コイルに通電するモー
タドライバにおいて、上記各直列回路について、
その一方のスイツチング素子をオンさせる制御信
号を受けて作動し、他方のスイツチング素子の制
御極を短絡させて、他方のスイツチング素子をオ
フに保持する誤動作防止回路が設けられたことを
特徴とするモータドライバ。 It has a control switching circuit in which a plurality of series circuits of two switching elements are connected in parallel, and a motor drive coil is connected to the midpoint between both switching elements in each of the series circuits. In a motor driver that energizes a motor drive coil via a control switching circuit, for each of the above series circuits,
A motor characterized by being provided with a malfunction prevention circuit that operates in response to a control signal that turns on one of the switching elements, shorts the control pole of the other switching element, and keeps the other switching element off. driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9146290U JPH0451093U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9146290U JPH0451093U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0451093U true JPH0451093U (en) | 1992-04-30 |
Family
ID=31827119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9146290U Pending JPH0451093U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451093U (en) |
-
1990
- 1990-08-30 JP JP9146290U patent/JPH0451093U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0451093U (en) | ||
| JPH03101192U (en) | ||
| JPH0414342U (en) | ||
| JPH0434637Y2 (en) | ||
| JPS6049606U (en) | high speed drive circuit | |
| JPH02125600U (en) | ||
| JPH0161900U (en) | ||
| JPH0190201U (en) | ||
| JPS59174668U (en) | coin timer | |
| JPS6383992U (en) | ||
| JPS60186895U (en) | Motor drive circuit device | |
| JPH02139488U (en) | ||
| JPS6374093U (en) | ||
| JPS61174000U (en) | ||
| JPH0164746U (en) | ||
| JPS61189498U (en) | ||
| JPH0374104U (en) | ||
| JPS61193270U (en) | ||
| JPH0232236U (en) | ||
| JPH0252406U (en) | ||
| JPS61114996U (en) | ||
| JPS6355408U (en) | ||
| JPH031632U (en) | ||
| JPS63143999U (en) | ||
| JPS59148052U (en) | Drive circuit unit |