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| BUF08630_14 Datasheet, PDF (11/35 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and High Slew Rate VCOM | |||
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BUF08630
www.ti.com
VIN
8.6V to 14.7V
L1
10µH
C1~2
2*10µF/
25V
D1
SL22
C3
10µF/
25V
VDD
16.5V / 800mA
C4~7
4*10µF/
25V
C8 R1
1nF 33kW
COMP
C9
100nF
SS
Boost Converter
(VDD)
+
Isolation Switch
PGND
PGND
AVIN
C10
1µF
VL
AGND
Internal
Supply
DAC
SDA
+
I 2C controller SCL
A0
C11
10µF/
25V
PVINB3
Synchronous Buck Converter 3
(HVDD)
SWB3
OUT3
PGND3
C13~14
2*10µF/
25V
PVINB1
PVINB1
EN
Buck Converter 1
(VI/O )
SWB1
SWB1
OUT1
VI/O
R2
2.2kW
R3
2.2kW
I 2C
L2
6.8µH
HVDD
8V / ±300mA
C12
10µF/
25V
VCOM-VS
VS
VSH
L3
10µH
D2
SL22
VI/O
3.3V / 400mA
C15~18
4*10µF/
6V
VSD
0.1mF
Timing
Controller
VGH
26V / 100mA
C20
1µF/
50V
VI/O
R4
RST
10kW
RST
VL
Reset
(RST)
R6
120kW
R5
47kW
NTC 47kW
TCOMP
VDD
Positive
D3, D4
Charge Pump
BAT54S
Controller
SW
(VGH )
Q1
C22
MMBT2907ALT1 220nF
R8
100kW
+
C21
100nF/
Temperature
25V CTRLP
VGH
Synchronous
Buck Converter 2
(VCORE )
S WB2
OUT2
L4
2.2µH
VCORE
1.0V / 600mA
C19
10µF/
6V
PGND2
SWB1
C26
Q2 100nF
MMBT2222A
D5, D6
BAT54S
VGL
-5V / 100mA
Negative CTRLN
Charge Pump
Controller
(VGL )
R9
FBN 100kW
C25
100nF/ R11
25V 4.42kW
C23
4.7µF/
10V
R12
1.8kW
C24
VI/O
100nF
SBOS515A â OCTOBER 2010 â REVISED AUGUST 2012
10mF
D1(6)
OUT8
OUT7
0.1mF
10mF
R1(2)
R3(3)
R2(3)
SDA
A0
VSD
VCOM-GND
VCOM-OUT
BUF08630(1)
OUT6
OUT5
OUT4
OUT3
OUT2
0.1mF
0.1mF
R4(4)
R5(5)
10mF
OUT6
OUT5
OUT4
Source
Drivers
OUT3
OUT2
LCD
Panel
OUT1
10mF
Figure 24. Typical Application Circuit using the TPS65168
Copyright © 2010â2012, Texas Instruments Incorporated
Product Folder Links: BUF08630
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