G154I1-LE1 Datasheet, PDF (15/26 Pages) AZ Displays – 15.4” TFT-LCD module

PRODUCT SPECIFICATION
6.2 POWER ON/OFF SEQUENCE
To prevent a latch-up or DC operation of LCD assembly, the power on/off sequence should be as the diagram
below.
0.9VCC
0.1VCC
VCC
T1
T2
LVDS
VALID
90%
10%
T7
T3
0.9VCC
0.1VCC
T4
0.9Vi
0.1Vi
Vi
T5
BL ON/OFF
0.9Vi
0.1Vi
T6
90%
10%
T8
T9
90%
PWM DIMMING
10%
Power ON/OFF sequence
Note (1) Please avoid floating state of interface signal at invalid period.
Note (2) When the interface signal is invalid, be sure to pull down the power supply of LCD VCC to 0 V.
Note (3) The Backlight converter power must be turned on after the power supply for the logic and the interface
signal is valid. The Backlight converter power must be turned off before the power supply for the logic
and the interface signal is invalid.
Value
Parameter
Units
Min
Typ
Max
T1
0.5
-
10
ms
T2
0
-
50
ms
T3
0
-
50
ms
T4
500
-
-
ms
T5
200
-
-
ms
T6
20
-
-
ms
T7
5
-
300
ms
T8
10
-
-
ms
T9
10
-
-
ms
Version 2.0
18th, Mar., 2011
The copyright belongs to CHIMEI InnoLux. Any unauthorized use is prohibited.
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