TPS65177_16 Datasheet, PDF (46/66 Pages) Texas Instruments – Programmable 6-CH LCD Bias IC

TPS65177, TPS65177A
SLVSBC9C – MARCH 2012 – REVISED FEBRUARY 2016
8 Application and Implementation
www.ti.com
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
Figure 19 shows a typical application circuit suitable for supplying LCD panels with GIP or non-GIP technology.
8.2 Typical Applications
VI
V(HAVDD)
6.8µH/2A
10µF
16V/1206
4.7µF
16V/0805
2.2 /0603
SW
4.7µF
50V/1206
470nF
25V/0603
PNP
V(AVDD)
30V/200mA
47nF
25V/0402
100k /0402
NPN
47nF
25V/0402
750k
VI
0402
EN
TCON
PGND2
V(CORE)
6.8µH/3.5A
4.7µH/3.5A
2x 10µF, 6.3V/0805
SWBK2
VCORE
CTRL
INBK2
VIO
30
29
28
27
31
Buck 3
32
Converter
(Synchronous)
33
26
25
24
23
22
21
20
Positive Negative
Charge Charge
19
Pump
Pump
Controller Controller ₁₈
Buck 2
34
Converter
(Synchronous)
Isolation Switch
17
35
16
INBK1 / INBK3
Internally
36
connected together
15
Logic Boost Converter
37
14
VGL
NC
SWO
SWI
SW
SW
PGND1
2.2 /0603 _SWBK1
470nF
25V/0603
V(GL)
4.7µF
16V/0805
V(AVDD)
5x 10µF
25V/1206
6.8µH/5.5A
VI
10µF
16V/1206
V(IO)
6.8µH/4A
SWBK1 38
SWBK1 39
3x 10µF
6.3V/0805
NC
20V/3A
40
1
Buck 1
Converter
2
3
4
I²C
Interface
5
6
13
Temperature
12
Com pensati on
11
7
8
9
10
PGND1
NTC
VL
NTC, 10k
1µF
6.3V/0603
10µF
16V/1206
1k
0402
VI
V(IO)
V(IO)
10
750k
0402
VI
100nF
VI 16V/0402
75k /0402
470pF
25V/0402
Trippler
SW
2.2 /0603
2.2 /0603
470nF
25V/0603
30V/200mA
4.7µF 47nF
50V/1206 25V/0402
100k /0402
PNP
470nF
25V/0603
V(AVDD)
30V/200mA
1µF
50V/1206
Figure 19. Typical Application
46
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