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PDF HX8662-C Data sheet ( Hoja de datos )
| Número de pieza | HX8662-C | |
| Descripción | 480CH TFT LCD Gate Driver | |
| Fabricantes | Himax | |
| Logotipo |  |
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( DOC No. HX8662-C-DS )
HX8662-C
480CH TFT LCD Gate Driver
Version 02 June, 2008
1 page  
HX8662-C
480CH TFT LCD Gate Driver
DATA SHEET V02
Pin name
STB
LNIV
TC1
TC2
SEQ2
SEQ1
VGHS1
VGHS2
VGHS3
VGLS1
VGLS2
VGLS3
TEST1
TEST2
TEST3
OSCIN
OSCOUT
PASS
DUMMY
I/O Function
In
Standby mode
control
In
Line/Dot
inversion control
In
Operation clock
control
In
Power circuit
start-up control
In
VGH output
voltage control
In
VGL output
voltage control
- Test mode pins
I/O Oscillation pins
--
- DUMMY
Description
This pin decides if entering standby mode.
STB = L, standby mode, timing controller, gate driver,
DC/DC are off.
STB = H, normal mode.
This pin is pulled high internally.
For line inversion system, set this pin to “H” thus VCOM
will output an AC voltage toggled between COMH and
COML decided by POL polarity.
For dot inversion system, set this pin to “L” and POL pin
to “H”, thus VCOM will output a DC voltage equal to
COMH.
DC/DC converter operation clock frequency control. The
setting of these pins is for controlling the operation clock
frequency of DC/DC converter circuit. These pins are
pulled high internally.
Power circuit start-up timing control. When DISPG set to
H, DC/DC converter is active after a period of time
decided by SEQ1 and SEQ2. These pins are pulled high
internally.
When DC/DC is constructed as 4 x VDC for VGH, these
pins can adjust VGH output voltage level as below.
VGHS3 VGHS2 VGHS1
VGH voltage
000
13/5 x VDC
001
14/5 x VDC
010
011
15/5 x VDC
16/5 x VDC
100
17/5 x VDC
101
18/5 x VDC
110
19/5 x VDC
111
20/5 x VDC
These pins are pulled high internally.
When DC/DC is constructed as -2 x VDC for VGL, these
pins can adjust VGL output voltage level as below.
VGLS3 VGLS2 VGLS1
VGL voltage
000
001
010
-6/5 x VDC
011
100
-7/5 x VDC
101
-8/5 x VDC
110
-9/5 x VDC
111
-10/5 x VDC
These pins are pulled high internally.
TEST1=H ,TEST2=H, and TEST3=H: Normal mode
TEST1 or TEST2 or TEST3=L: TEST mode
These pins are pulled high internally.
Connect 75K ohm resister between OSCIN and
OSCOUT pins.
Linked together internal.
No DUMMY pins are connected with other pins inside IC.
Himax Confidential
This information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of Himax.
-P.4-
June, 2008
5 Page 
HX8662-C
480CH TFT LCD Gate Driver
5.12 Regulator for gamma circuit of source driver
DATA SHEET V02
HX8662-C has a regulator circuit for source driver’s gamma resistor strings. Connect
this output to source driver VGR pin. VGR voltage level is 4.5V. (Typ.)
Value
C4 1.0µF
C5 0.1µF
C6 2.2µF ~10µF
C7 0.01µF ~0.1µF
Accuracy
±10%
±10%
±10%
±10%
Voltage proof
10V
6.3V
10V
10V
Himax Confidential
This information contained herein is the exclusive property of Himax and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of Himax.
-P.10-
June, 2008
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet HX8662-C.PDF ] | |
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