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参数资料
| 型号： | LV8095LQ |
| 元件分类： | 运动控制电子 |
| 英文描述： | VOICE COIL MOTOR CONTROLLER, 0.2 A, PDSO8 |
| 封装： | 2 X 1.30 MM, 0.56 MM HEIGHT, USLP-8 |
| 文件页数： | 3/8页 |
| 文件大小： | 88K |
| 代理商： | LV8095LQ |
LV8095LQ
No.A0919-3/8
Pin Assignment
*1 : The voltage applied to the VDD pin must be set to the same
level as those of the SDA, SCL and PD input high-level
voltages.
*2 : Setting the PD pin to low level powers down and resets the IC.
Set this pin temporarily to low level, then to high level after
power-on, and keep it to high level (same voltage level as
VDD) during normal operation.
Block Diagram
Wiring resistance (thick line) around the RF is added to the resistance of RF as an error. It must be kept as small as
possible.
Formula for calculating constant current : IOUT = 0.1 ÷ RF
If, for instance, IOUT is to be set to 100mA max :
RF = 0.1 ÷ (100mA)
RF = 1
Notes on use
Determine the preset current value using the resistor between RFG and GND according to the formula above.
The recommended RF value is 1
.
Pin No.
Pin Name
Pin Description
1
GND
Ground
2
RFG
Current sensing resistor connection
3
OUT
Output pin
4
VCC
Analog system power supply
5
VDD
Logic system power supply *1
6
SDA
I
2C SDA input
7
SCL
I
2C SCL input
8
PD
Power-down & reset *2
8
PD
7
SCL
USLP8
(Top View)
6
SDA
5
VDD
1
GND
2
RFG
3
OUT
4
VCC
I2C
IF
C
P
U
I2C
DECODE
GND
VCC
0.1
F
SDA
VDD
SCL
PD
RF
RFG
OUT
VCM
1
DAC
8 bits
current
setting
Reference
voltage
Voltage drop protection
&
thermal protection
-
+
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