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參數(shù)資料
| 型號： | LV8041FN |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.6 A, QCC52 |
| 封裝： | 7 X 7 MM, VQFN-52 |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 802K |
| 代理商： | LV8041FN |
LV8041FN
No.7944-21/24
Constant Current Forward/Reverse Motor Driver (Channel 7)
Truth Table
Inputs
Outputs
ST
IN71
IN72
OUT7A
OUT7B
Mode
Charge pump circuit
Low
OFF
Standby mode
Stopped
High
Low
OFF
Outputs off
High
Low
High
Low
Forward
High
Low
High
Reverse
High
Low
Brake
Operating
Note
: Don’t care
IN71
IN72
VM7
OUT7AA
OUT7BA
Reference
voltage
Fast
charge
circuit
Fast
discharge
circuit
FC7
SEN7
Lo
gi
c
ci
rc
u
it
s
VREF7
LIM7
OFF
High
impedance
IN71
IN72
U1
L1
U2
L2
OFF
Forward
ON
Reverse
Brake
ON
High
impedance
Set Current Calculation
IOUT = LIM7 voltage/SEN7 resistor
Since the LIM7 voltage is an external input, the reference voltage can be set arbitrarily.
The reference voltage can be set to 0.2 V by using the VREF7 pin and shorting it to the LIM7 pin. If a voltage created
by resistor dividing the VREF7 voltage is input to LIM7, the reference voltage can be made variable (to voltages
under 0.2 V).
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