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Circuit Diagrams and PWB Layouts
DC-DC BUCK & LDO Regulator
DC-DC BUCK & LDO Regulator
B02
5V_SW
3V3 Main Power :
FB715
120R/6000mA
U701
U701
TPS54319RTE
TPS54319RTE
16
VIN
1
VIN
2
VIN
15
EN
BOOT
C718
C719
C717
6
VSNS
PWRGD
100N 16V
10uF 10V
7
COMP
NC/22uF 10V
8
RT/CLK
R728
9
SS
AGND
R729
C738
0.1UF 16V
C713
3.3nF 50V
Vout=0.827x (1+100.3K/33K) = 3.34V for DVDD3V3 & AVDD3V3
1V8 or 1V5 DDR Power : DDRV
5V_SW
FB718
120R/3000mA
L702
L702
U702
SC189ASKTRT
1
5
VIN
LX
R731
2.2uH
2.2uH
3
4
EN
VOUT
R732
1K 1/16W 5%
C725
8.2K 1%
C724
10U 16V
10nF50V
R733
10K +-1% 1/16W
Vo = 1+ (R732/R733)
V1 = 1+ (8.2/10) = 1.82
R732 = 2.7K --> 8.2K
V2 = 1+ (5.2/10) = 1.52
R732 = 2.7K --> 5.2K
+12V
+24V_USB
12V5 or 5V2 Main Power (3A)
FB721
R768
120R/3000mA
NC\0.68 OHM +-5% 2WS
U703
AOZ1212AI
C734
1uF 25V
8
1
VBIAS
LX
7
2
VIN
BST
C735 100N 50V
6
3
EN
GND
5
4
COMP
FB
R734
47K 1/16W 5%
R736
+
+
C729
82K 1/16W
100UF 25V
C730
C733
1uF 50V
1N 50V
C731
C732
R737
1uF 50V
180pF 50V
15K 1%
R735
20K 1/16W
5V2
R736
82K
R737
15K
5VSB
3V3SB
U704
G5657F12U
C746
NC\10N 50V
FB726
R745
NC\RB160M-60TE25
1K 1/16W 5%
D703
120R/6000mA
1
2
1
NC
2
IN
OPWRSB
R740 4K7 1/16W 5%
7
EN
C743
6
COMP
C742
C7002
100N 16V
C741
10uF 16V
10uF 16V
NC\100N 16V
C745
2.2nF 50V
C744
180pF 50V
R741
12KOHM +-5% 1/16W
Vo = 0.925*(1+R743/R742)
= 0.925*(1+2.43/10) = 1.15
TPM8.3A LA
10.
3V3_BUCK
DVDD3V3
3V3_BUCK
FB716
L701
1
2
1.5UH
120R/3000mA
10
C720
PH
C721
22uF 10V
11
PH
12
C799
PH
22uF 10V
13
0.1UF 16V
R730
C7001
14
R772
TP708
TP708
300R 1/16W 1%
100N 16V
3
GND
100K 1/16W 5%
AVDD3V3
4
GND
3V3_BUCK
FB717
FB717
5
R767
1
2
100K 1%
120R/3000mA
SoC_AVDD3V3 = 740 mA
R766
33K 1%
HDMI_SW = 120 mA
DDRV
FB719
120R/3000mA
C7003
22UF
C726
C727
C728
10nF50V
10U 16V
10uF 16V
DDR2 = 650mA
DDR3 = 900mA
5V_BUCK
5V_USB
FB723
120R/3000mA
FB725
L703
1
2
10uH
120R/3000mA
C739
1UF 10V
D702
C736
C737
SX34
10uF 16V
10U 16V
USB2.0 = 1000mA
12V5
Vo = 0.8 * (1+ R736/R737)
220K
V1 = 0.8 * (1+ 220/15) = 12.5
R736 = 220K
15K
V2 = 0.8 * (1+ 82/15) = 5.17
R736 = 82K
VCCK
Soc Core Power : 1.15V (3A)
FB746
120R/3000mA
L704
3
LX
47uH
R743
5
FB
8
2.7K 1/16W 1%
SS
D704
C748
C749
SX34
10U 16V
10U 16V
R742
C747
100N 16V
10K +-1% 1/16W
SoC_1V2 = 2250mA
R743 = 2.7K --> 2.43K
EN 50
Power MOSFET Switch
5VSB
System Power Control
C722
R715
C762
10K 1/16W 5%
1UF16V
1UF 10V
VCCK
R716
R713
R713
22K 1/16W 5%
C723
Q704
1UF 10V
1V2: ON
1K 1/16W 5%
1K 1/16W 5%
PMBS3904
0V: STANDBY
R714
R714
10K 1/16W 5%
10K 1/16W 5%
Panel Logic Power Control
5VSB
5V_BUCK
+12V
FB711
FB712
FB713
NC\120R/6000mA
NC/120R/6000mA
120R/6000mA
C714
R725
56KOHM 1/16W
220NF 25V
R726
56KOHM 1/16W
56KOHM 1/16W
R724
LVDS_PWR_EN
Q706
C715
1K 1/16W 5%
L: Off
PMBS3904
NC\220NF 25V
R727
10K 1/10W
LDO Regulator
STBY Power : 3V3SB
5VSB
U705
U705
FB727
G903T63UF
FB728
1
2
3
2
1
2
VIN
VOUT
120R/3000mA
120R/3000mA
Vout=Fixed 3.3V
C750
1UF 10V
SoC_X'TAL = 80 mA;
SoC_3V3_STBC = 30 mA;
Total = 110 mA.
Demod 3V3 Power : V3.3
5V_SW
U707
U707
FB731
FB732
G903T63UF
1
2
3
2
1
2
VIN
VOUT
NC\120R/3000mA
NC\120R/3000mA
Vout=Fixed 3.3V
C756
NC\1UF 10V
Demod_3V3 = 85mA.
Reserved for ADAC_PWR
5V_SW
Vout=Fixed 3.3V
U709
U709
FB736
NC/G903T63UF
FB735
1
2
3
2
1
2
VIN
VOUT
NC\120R/3000mA
NC\120R/3000mA
C764
NC\1UF 10V
2011-Nov-11
5V_SW
FB707
1
2
NC\120R/6000mA
Q707
1
8
S
D
2
7
S
D
3
6
S
D
4
5
G
D
AO4449 -7A/-30V
C710
C709
R717
NC\470nF 16V
10K 1/16W 5%
100N 50V
5V panel
12V panel
LVDSVDD
FB713
NC
YES
FB714
FB714
FB712
NC
NC
1
2
NC/120R/6000mA
Q709
FB711
YES
NC
1
8
S
D
2
7
S
D
3
6
S
D
4
5
G
D
AO4449 -7A/-30V
R723
C716
10K 1/16W 5%
100N 50V
5V_SW
Analog Power : AVDD1V2
FB729
120R/3000mA
3V3SB
L705
U706
SC189ASKTRT
1
5
VIN
LX
R747
2.2uH
3
4
EN
VOUT
R749
C755
1K 1/16W 5%
C754
2K 1%
C765
C753
10nF50V
10U 16V
10U 16V
10nF50V
C751
C752
10U 16V
10U 16V
R748
10K +-1% 1/16W
Vo = 1+ (R749/R748)
V1 = 1+ (2/10) = 1.2
SoC_AVDD1V2 = 400 mA
Demod 1V2 Power : V1.2
V1.2
V3.3
V3.3
U708
U708
FB733
FB734
G912T63U
1
2
3
2
1
2
VI
VO
NC\120R/3000mA
4
NC\120R/3000mA
4
Vout=Fixed 1.2V
C757
C758
C759
C760
NC\10U 16V
NC\10U 16V
NC\1UF 10V
NC\10U 16V
Demod_1V2 = 210mA
ADAC_PWR
AVDD3V3
FB737
120R/3000mA
C763
C767
NC\10U 16V
NC\10U 16V
DC-DC BUCK &
LDO Regulator
B02
GND
4,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
OPWRSB
OPWRSB
12
LVDS_PWR_EN
LVDS_PWR_EN
12
5VSB
5VESD
R753
10K +-1% 1/16W
AVDD1V2
FB730
120R/3000mA
C766
10U 16V
C761
NC\10U 16V
4
2011-03-12
715G4611
19170_514_110627.eps
110627
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