Circuit Descriptions
7.
7.4.14 Half VDD
U7000 provides H_V
DD
from the panel at 12 V, the enable pin
is TCON_V
DD
. It is the gamma reference voltage.
Figure 7-16 Half V
DD
7.4.15 Multi-DC/DC
It provides the TCON power including V
CC
(3.3 V), V
DD
(approximately 16 V), V
GH
(approximately 28 V) and V
GL
(approximately
−
5 V).
Figure 7-17 Multi-DC/DC
19090_220_110422.eps
110422
TCON_VDD
Panel_12V
H_VDD
TCON_VDD
SMD/0402
R7
0
3
2
N
C
/150K 1/16W
1
%
R7
0
3
2
N
C
/150K 1/16W
1
%
C7
0
3
0
10
u
F 16V
C7
0
3
0
10
u
F 16V
R7033
NC/18Kohm 1/16W +/-1%
R7033
NC/18Kohm 1/16W +/-1%
C7
0
1
1
10
u
F 16V
C7
0
1
1
10
u
F 16V
L7002
22uH
L7002
22uH
C7013
4N7 25V
C7013
4N7 25V
C7009
10N 50V
C7009
10N 50V
C7014
10uF 16V
C7014
10uF 16V
R7013
47K1/16W
R7013
47K1/16W
C7003
100N 25V
C7003
100N 25V
C7
0
1
2
10
u
F 16V
C7
0
1
2
10
u
F 16V
C7015
10N 50V
C7015
10N 50V
U7000
G5795F11U
U7000
G5795F11U
BS
1
IN
2
LX
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND
9
R7086
2K7 1/16W
5
%
R7086
2K7 1/16W
5
%
R7014
8.2K 1/16W
R7014
8.2K 1/16W
R7008
100K 1%
R7008
100K 1%
C7008
180P 50V
C7008
180P 50V
C7045
10uF 25V
C7045
10uF 25V
R7007
15K 1/16W 5%
R7007
15K 1/16W 5%
R7087
2K7 1/16W
5
%
R7087
2K7 1/16W
5
%
R7009
13K 1/16W 1%
R7009
13K 1/16W 1%
19090_221_110422.eps
110505
REF
EN1
REF
VG
L_FB
EN2
VGH_FB
VGL_FB
VCC_
F
B
VCC_
F
B
PGOOD
TCON_VDD
Panel_12V
TCON_VCC
VGL
TCON_VCC
TCON_VCC
C7069
1uF 25V
C7069
1uF 25V
C7
0
5
5
0.1U
F50V
C7
0
5
5
0.1U
F50V
C7
0
6
1
150pF 50V
C7
0
6
1
150pF 50V
C7070
10uF 16V
C7070
10uF 16V
R7058
0R05OHM1/16W
R7058
0R05OHM1/16W
C7
0
5
6
10
u
F 16V
C7
0
5
6
10
u
F 16V
R7
0
38
NC/0
R0
5
OHM1
/1
6
W
R7
0
38
NC/0
R0
5
OHM1
/1
6
W
C7
0
6
2
10
u
F 10V
C7
0
6
2
10
u
F 10V
U7003
MAX1
U7003
MAX1
THR
1
DRVP
2
GND2
3
SRC
4
GON
5
DRN
6
MODE
7
DLP
8
FBP
9
CPGND
10
CT
L
11
DRV
N
12
AG
N
D
1
3
FBN
14
RE
F
15
DE
L1
16
FB2
17
B
S
T
1
8
LX
2
19
LX
2
20
OUT
21
IN2
22
IN2
23
VIN
24
FSEL
25
EN1
26
DEL2
27
VL
28
EN2
29
PGND
30
PG
N
D
3
1
LX
1
3
2
LX
1
33
S
WI
3
4
S
WO
3
5
FB1
3
6
COMP
3
7
P
GOOD
38
CR
S
T
3
9
AG
N
D
40
Therm
a
l P
a
d
41
D7000
NC/BAV99
D7000
NC/BAV99
3
1
2
C7051
NC/1N 50V
C7051
NC/1N 50V
L7000
22uH
L7000
22uH
R7061
187K 1%
R7061
187K 1%
C7037
1.5nF 50V
C7037
1.5nF 50V
C7068
220N 25V
C7068
220N 25V
L7001
22uH
L7001
22uH
R7090
NC/2R2 1/16W 5%
R7090
NC/2R2 1/16W 5%
C7
0
5
3
0.1U
F50V
C7
0
5
3
0.1U
F50V
R7052
2R2 1/16W 5%
R7052
2R2 1/16W 5%
R7
0
5
6
5K1 1/16W
5
%
R7
0
5
6
5K1 1/16W
5
%
C7060
0.1UF50V
C7060
0.1UF50V
C7
0
6
6
0.1U
F50V
C7
0
6
6
0.1U
F50V
R7059
NC/0R05OHM1/16W
R7059
NC/0R05OHM1/16W
C7
0
5
8
10
u
F 16V
C7
0
5
8
10
u
F 16V
+
C7074
220UF 16V
+
C7074
220UF 16V
R7044
10K1/16W
R7044
10K1/16W
C7035
150pF 50V
C7035
150pF 50V
C7024
NC/1uF 50V
C7024
NC/1uF 50V
C7
0
5
4
1
u
F 25V
C7
0
5
4
1
u
F 25V
R7
0
3
6
N
C
/0
R
0
5O
H
M
1/16W
R7
0
3
6
N
C
/0
R
0
5O
H
M
1/16W
C7025
0.47uF 50V
C7025
0.47uF 50V
R7062
3K6 1/16W 1%
R7062
3K6 1/16W 1%
R7
0
5
4
1K1/16W
R7
0
5
4
1K1/16W
D7003
FB340M
D7003
FB340M
1
2
D7001
BAV99
D7001
BAV99
3
1
2
R7
0
3
5
0R
05O
H
M
1/16W
R7
0
3
5
0R
05O
H
M
1/16W
C7
0
6
3
10
u
F 10V
C7
0
6
3
10
u
F 10V
C7
0
6
5
10
u
F 10V
C7
0
6
5
10
u
F 10V
R7043
10K1/16W
R7043
10K1/16W
C7050
1N 50V
C7050
1N 50V
C7
0
2
8
NC/1
0
0
N 2
5
V
C7
0
2
8
NC/1
0
0
N 2
5
V
C7
0
3
4
1
u
F 25V
C7
0
3
4
1
u
F 25V
D7004
BAV99
D7004
BAV99
3
1
2
R7060
36K 1%
R7060
36K 1%
C7
0
6
4
NC/
1
0
u
F 10V
C7
0
6
4
NC/
1
0
u
F 10V
R7
0
5
5
N
C
/0R
05O
H
M
1/16W
R7
0
5
5
N
C
/0R
05O
H
M
1/16W
C7
0
2
9
NC/1
u
F 50V
C7
0
2
9
NC/1
u
F 50V
R7
0
3
7
0R
05O
H
M
1/16W
R7
0
3
7
0R
05O
H
M
1/16W
C7
0
6
7
0.1U
F50V
C7
0
6
7
0.1U
F50V
D7002
FB340M
D7002
FB340M
1
2
R7053
0R05OHM1/16W
R7053
0R05OHM1/16W
C7036
NC/27P50V
C7036
NC/27P50V
R7
0
3
9
0R
05O
H
M
1/16W
R7
0
3
9
0R
05O
H
M
1/16W