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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： | 7/9页 |
| 文件大小： | 90K |
| 代理商： | LB1996 |
LB1996
No. 5977-7/9
Pin number
Pin name
Pin voltage
Equivalent circuit
Pin function
3
4V to 13.6V
4
4V to 13.6V
6
4V to 6V
14
R S
15
F G
13
17
S/S
18
SIG GND
20
F C
8
7
10
9
12
11
Pin Descriptions
Continued on next page
Source side predrive voltage supply
pin
Constant current control amplifier
voltage supply pin
Power supply pin for all circuits
except output transistors, source
predriver, and constant current
control amplifier
Reverse detector pin
Forward rotation: High
Reverse rotation: Low
U phase Hall element input and
reverse detector U phase Schmitt
comparator input pin
Logic High indicates UIN1 > UIN2.
V phase Hall element input and
reverse detector V phase Schmitt
comparator input pin
Logic High indicates VIN1 > VIN2.
W phase Hall element input and
reverse detector W phase Schmitt
comparator input pin
Logic High indicates WIN1 > WIN2.
Hall element lower side bias voltage
supply pin
When this pin is at 0.7V or lower, or
when it is open, all circuits are
inactive. When driving motor, set
this pin to 2V or higher.
Control loop frequency compensa-
tor pin. Connecting a capacitor
between this pin and GND prevents
closed loop oscillation in current
limiting circuitry.
GND pin for all circuits except
output
VCC2
VCC3
VCC1
UIN1
UIN2
VIN1
VIN2
WIN1
WIN2
1.2V to
VCC1–1V
VH
0V to VCC1
1 Hall element or 3 Hall elements
waveform Schmitt comparator
combined output
A11172
14 15
VCC1
100
A
10k
10
8
12
25
A
9
7
11
25
A
25
A
200
200
VCC1
13
VCC1
75
A
30k
2k
17
VCC1
50k
75k
20
VCC1
2k
20k
5k
A11173
A11174
A11175
A11176
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