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CS902-A-R Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # CS902-A-R
Description  Programmable Power Management IC for LCD Panels
PDF  15 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

CS902-A-R Datasheet(HTML) 4 Page - Richtek Technology Corporation

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Conceptual
CS902-A-R
www.richtek.com
June 13, 2013
4
Function Block Diagram: CS902-A-R
AVDD
(16.8V)
LX
COMP
INTERNAL
REGULATOR
BUCK1
BOOT1
LXB1
OUTB1
VI/O
(3.3V)
VINB1
Vin
(12V)
VL
DRVN
VGL
VGL
REGULATOR
VGH
AVDD
THERMAL
SHUTDOWN
DRVP
AVIN
UVLO
VGH
(28V)
LX
LX
AGND
6.8uH
10uF
10uF*4
0.1uF
6.8uH
10uF*2
10uF
1uF
0.22uF
1uF
10uF
1uF
LXB1
BOOST
VL
VGH
REGULATOR
0.22uF
22uF*2
1uF
EN
EN
SEQUENCE
CONTROL
PGND
LXO
10uF
10k
0.47uF
I2C Interface
SDA
SCL
EEPROM
SDA
SCL
DAC
A0
A0
VI/O
VI/O
NTC
RNTC
VL
10k
HVS
HVS
VGHM
RE
VGH
VGHM
GPM
VFLK
VFLK
75k
470pF
2.2
4.7k
4.7k
51k
22k
NCP18XH103F03RB
2.2
3
1,2
11
40
38,39
37
21
20
VGL
(-6.3V)
35
36
1K
Ω
26
4
13,14
12
34
23
7
6
5
33
8
10
18, 19
15,16
+
-
POS
OP
NEG
OP_OUT
31
30
29
OGND
28
XAO 9
A1
A1
25
VSUP
32
17
LXI
10uF
C1, C2
C3
L1
D1
C4
C5,C6,
C7,C8
C9
RCOMP
CCOMP
C10
C11
R1
R2
C12,C13
L2
D2
C14
C15
R3
D3
C16
C17
R4
Q1
R5
R6
C18
C19
C20
D4
C21
R7
RTC1
RTC2



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