Circuit Diagrams and PWB Layouts
10.
Main Board: Power Sequoia
5
4
3
2
1
D
C
B
A
A
+3.3V_LVDS
+3.3V_I/O
+1.2V_HDMI
+3.3V_HDMI
+3.3V_DDR
+3.3V_LBADC
+5VS
+1.2V_DPRX
+5VSB
+1.2V_ADC
+3.3V_ADC
+1.2V_AUD
+3.3V_AUD
+5V_SW
+3.3V_COMMON
+3.3V_LPM
+1.2V_CORE
SYS_POWERON
+3.3V_LVDS 11,12
+3.3V_I/O 5,6,15,16,17
+1.2V_HDMI 4
+3.3V_HDMI 4
+3.3V_DDR 10
+3.3V_LBADC 18
+5VS
2,3,7,15,17,18,20,21,22
+1.2V_DPRX 5
+5VSB
6,7,8,10,20,21
+1.2V_ADC 9
+3.3V_ADC 9
+1.2V_AUD 14
+3.3V_AUD 14
+5V_SW
6,10,12,20,22
+3.3V_COMMON 12,20
+3.3V_LPM 15,20
+1.2V_CORE 16
SYS_POWERON
,21,22
+3.3V_COMMON
+3.3V_LVDS
+3.3V_DDR
+3.3V_ADC
+3.3V_AUD
+3.3V_HDMI
+1.2V
+1.2V_CORE
+1.2V_DPRX
+1.2V_ADC
+1.2V_HDMI
+1.2V_AUD
+5VSB
+5VSB
+3.3V_LPM
+1.8V_DDR
+1.2V_CORE
+3.3V_I/O
+5VSB
+3.3V_I/O
+5VS
+3.3V_LBADC
+3.3V_LBADC
Title
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WLZSA1 ST FLI32626
D2A
Power Sequoia
PROJECT NAME:
WLZR-A1
A4
19
22
Thursday, January 08, 2009
Low ESR
Low ESR
RA
RB
3.3uH_1.9A
22uH_1.5A
VOUT = 0.8 *
(1+RA/RB)
NEED
HEAT
SINK
1.5A Max
Near to Scaler
Power
Sequencing
Diode
R665
4.7K/6
R663
10K/6
1
S10
holec138d138n
2
3
4
5
6
7
8
9
1
10
1
S2
holec256d126p2
2
3
4
5
6
7
8
9
1
+
C294
2
2
0
u
F
/1
6V
1
2
R450
0R/6
1
S7
holec138d138n
2
3
4
5
6
7
8
9
1
10
L96
121A40/8
+
C308
47uF/6.3V
C306
0.1uF/6
R449
10K/6
L58
121A40/8
1
S3
holec256d126p2
2
3
4
5
6
7
8
9
1
C298
1500pF/6
L81
121A40/8
U30
AOZ1010/SO8
VIN
2
EN
6
COMP
5
AGND
3
PGND
1
FB
4
LXA
8
LXB
7
+
C295
220uF/16V
1
2
D
4
0
B
AV99
1
3
2
C292
0.1uF/6
R457
200/6/1%
1
S4
holec256d126p2
2
3
4
5
6
7
8
9
1
L76
121A40/8/NC
L60
121A40/8
Q27
MMBT3904
3
1
2
L64
121A40/8/NC
+
C304
220uF/16V
1
2
L75
121A40/8
Q25
SI9435
2
3
4
5
7
6
8
1
R442
20K/6/1%
Q38
MMBT3904
3
1
2
L57
121A40/8
C307
0.1uF/6
1
S8
holec138d138n
2
3
4
5
6
7
8
9
1
10
L61
121A40/8
C303
NC
L78
121A40/8
JP1
EIC_4606-02
1
2
R664 0R/6/NC
R443
3.3K/6/1%
1
S5
holec256d126p2
2
3
4
5
6
7
8
9
1
C296
1uF/6
L62
121A40/8
R458
330R/6/1%
L80
121A40/8
R451
4.7K/6
R437
2K/6/1%
R436
10K/6
L79
121A40/8
L74
121A40/8
L63
121A40/8
1
S1
holec256d126p2
2
3
4
5
6
7
8
9
1
L82
121A40/8
1
S9
holec138d138n
2
3
4
5
6
7
8
9
1
10
U32
AIC1084/TO263
ADJ/GND
1
VOUT
2
VIN
3
C291
0.1uF/6
C293
1
0
u
F/1
2
0
6
/1
6V
L56
121A40/8
L66
121A40/8
1
S6
holec256d126p2
2
3
4
5
6
7
8
9
1
C299
0.1uF/6
+
C290
100uF/16V
L55
SCDS 62T-3R3
C305
0.1uF/6
R444 0R/6/NC
L67
121A40/8
L73
121A40/8
1
8
4
3
0_517_090202.ep
s
090202