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参数资料
| 型号： | LS7561N-S |
| 厂商： | LSI CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.075 A, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 6/8页 |
| 文件大小： | 119K |
| 代理商： | LS7561N-S |
7560N-080305-6
FIGURE 6. Four phase motor control requires only two Hall Sensor inputs spaced 90 electrical
degrees apart. S1 is connected to one sensor and S2 and S3 are tied together and connected to
the other sensor (Refer to Table 1). The Brake input (Pin 23) is used to control the Top Driver
Select (Pin 20) and the Top Motor Drivers. When the Brake input is applied, the Top Motor driv-
ers are turned off and the Top Driver Polarity Select is forced low turning on the Outputs 1 and 3.
Since Outputs 4 and 6 are also turned on, the motor windings become shorted together.
The information included herein is believed to be
accurate and reliable. However, LSI Computer Systems,
Inc. assumes no responsibilities for inaccuracies, nor for
any infringements of patent rights of others which may
result from its use.
17
15
14
12
10
11
ROTOR
3
1
2
4
24
25
26
S1
S2
S3
20
V M
OUT1
OUT3
OUT4
OUT6
FIGURE 6. FOUR-PHASE FULL-WAVE MOTOR CONTROLLER
23
BRAKE
TOP
DRIVER
POLARITY
SELECT
V M
S1
S2, S3
OVERCURRENT
SENSE
(+)
(-)
V M
S1
S2, S3
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