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参数资料
| 型号： | LV8040FN |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 0.6 A, QCC48 |
| 封装： | 7 X 7 MM, VQFN-48 |
| 文件页数： | 7/17页 |
| 文件大小： | 176K |
| 代理商： | LV8040FN |
LV8040FN
No.8327-15/17
Constant current forward/reverse motor driver (channel 6)
Truth Table
Input
Output
ST2
FR6
OUT6A
OUT6B
Mode
Charge pump circuit
Low
*
Off
Standby
Stop
High
Low
Forward
High
Low
High
Reverse
Operation
*: Don't care
Calculating the set current value
IOUT = <LIM6 voltage>/<SEN6 resistor>
Since the LIM6 voltage is an external input, the reference voltage can be set to an arbitrary level.
The reference voltage can be set to 0.2V by using the VREF pin and shorting LIM6 to it. The reference voltage can be
changed ((to be lower than 0.2V) by inputting a voltage created by voltage dividing VREF to LIM6.
ST2
FR6
VM6
OUT6A
OUT6B
Reference
voltage
0.2V
Rapid
charge
circuit
Rapid
discharge
circuit
FC6
SEN6
Logic
curcuit
VREF
LIM6
On
Off
High impedance
ST2
FR6
U1
L1
U2
L2
Off
Forward
Reverse
On
Forward
Reverse
On
Forward
Reverse
On
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