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参数资料
| 型号： | LB1978V |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.6 A, PDSO30 |
| 封装： | SSOP-30 |
| 文件页数： | 8/9页 |
| 文件大小： | 78K |
| 代理商： | LB1978V |
LB1978V
No. 6186-8/9
Pin number
23
24
25
26
27
28
29
30
Continued from preceding page
Pin name
U1
V1
W1
F/S
DR
S/S
Vref
Vcc
Equivalent circuit
Pin function
U1, V1, and W1 are pins for connection to
high-speed motor coils.
High-speed/low-speed mode select pin.
Vcc –1.0V or lower: high-speed (fast)
Vcc –0.3V or higher: low-speed (slow)
Rotation direction select pin.
Vcc –0.3V or higher: phase sequence
U -> V -> W
Vcc –1.0V or lower: phase sequence
U -> W -> V
Start/stop pin.
0.9V or higher: Start
High active.
Reference voltage pin.
Reference voltage is 0.75V.
Power supply pin.
Vcc
PGND
23
24
25
22
Vcc
SGND
26
Vcc
SGND
27
Vcc
SGND
28
Vcc
SGND
50
A
29
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