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参数资料
| 型号： | LB1996 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.3 A, PDSO24 |
| 封装： | HSOP-24 |
| 文件页数： | 8/9页 |
| 文件大小： | 90K |
| 代理商： | LB1996 |
LB1996
No. 5977-8/9
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
21
2V to 3V
22
23
24
PWR GND
1
2
5R F
19
C C
16
BRAKE
Continued from preceding page
Control reference voltage supply
pin. Determines control start
voltage.
Speed control voltage supply pin
V type control technique
VC > VCREF : Forward
VC < VCREF : Slowdown
(Reverse-blocking circuit
prevents reverse rotation.)
W phase output
Output transistor GND
V phase output
Upper side output NPN transistor
collector pin (common for all 3
phases). For current detection,
connect resistor between VCC3
pin and RF pin. Constant current
control and current limiter works
by detecting this voltage.
3 Hall FG/1 Hall FG switching
pin
FGSEL
High –> 3 Hall FG
Low/Open –> 1 Hall FG
Short brake pin
BRAKE:
High –> Short brake operation
Low/Open –> Motor drive operation
U phase output
VCREF
VC
WOUT
VOUT
UOUT
0V to VCC1
22
25
A
100
A
100
A
25
A
VCC1
200
10k
15k
30k
30k
200
21
5
24
VCC2
3.9
3.9
23
1
2
19
VCC1
50k
75k
100
A
16
VCC1
50k
75k
A11177
A11178
A11179
A11180
FGSEL
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