PA080XS1
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PAGE:8
8-2) Back Light driving (JST BHSR-02VS-1 ,Pin No.
Pin No
Symbol
1
VL1
2
VL2
2)
Description
Remark
Wire color: pink
Wire color: white Note 8-2
Input terminal (Hi voltage side)
Input terminal (Low voltage side)
Note 8-2 : Low voltage side of back light inverter connects with Ground of inverter circuits.
Recommended driving condition for back light Ta= 25
Parameter
Symbol
Min.
Lamp voltage
V
L
TBD
Lamp current
I
L
TBD
Lamp frequency
P
L
TBD
Starting voltage(25
)
(Reference Value)
Starting voltage(0
)
(Reference Value)
Note 8-3 : In order to satisfy the quality of B/L , no matter use what kind of inverter , the output
lamp current must between Min. and Max. to avoid the abnormal display image caused
by B/L.
Note 8-4 : The waveform of lamp driving voltage should be as closed to a perfect sine wave as
possible.
Note 8-5 : This value is not output voltage of inverter.
The voltage of inverter must larger than the starting voltage.
The kick-off time must larger than 1 second.
8-3) Power Consumption
Ta= 25
Parameter
Symbol
Supply current for Gate Driver (Hi level)
I
GH
Supply current for Gate Driver (Low level)
I
EE
I
DD1
I
DD2
Typ.
TBD
TBD
TBD
Max.
TBD
TBD
TBD
Unit
Vrms
mA
KHz
Vrms
Remark
Note 8-3
Note 8-4
Note 8-5
Vs
TBD
Vs
TBD
Vrms
Note 8-5
Conditions
V
GH
V
EE
V
DD1
V
DD2
V
CC
TYP.
MAX Unit Remark
mA
mA
+20V
TBD
-10V
+3.3V
TBD
+12V
TBD
+3.3V
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Supply current for Source Driver(Digital)
Supply current for Source Driver(Analog)
Supply current for Gate Driver (Digital)
LCD Panel Power Consumption
Back Light Lamp Power Consumption
mA
mA
mA
mW Note 8-6
W
Note 8-7
I
CC
TBD
TBD
TBD
Note 8-6 : The power consumption for back light is not included.
Note 8-7 : Back light lamp power consumption is calculated by I
L
V
L
.