
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VDDC
最大平均电流为
3A ,
保证
DCDC
温升电流
5A
pull a 5 mil +1.2V_VDDC_CPU trace from IC of bottrom to voltage
feedback of switching power IC .the trace shall shield gnd
pull a 5 mil +1.2V_VDDC trace from IC of bottrom to voltage
feedback of switching power IC .the trace shall shield gnd
Addr 0x82
R113
远端反馈
,
即
从
IC
底部引线
!
靠近
DC-DC
靠近
DC-DC
Vout=0.83V*(1+R1/50K)
R1
Addr 0x80
R117
远端反馈
,
即
从
IC
底部引线
!
靠近
DC-DC
靠近
DC-DC
R1
R2
VDDC DC/DC
Vout=0.83V*(1+R1/50K)
0.765x (1+140K/24K) = 5.22V
Test Point & MARK
1.5V DC/DC
靠近
DC-DC
靠近
DC-DC
Vout=0.6V*(1+R1/R2)
R1
R2
1A Max
至少需使用1A DC/DC!!
SY8009B 2A
SY8009A 1.5A
SY8008C 1.2A
SY8008B 1A
(
0.65$
)
SY8008A 0.6A
200mA
LDO
500mA Max
40mA Max
Power connector
LO = > POWER_ON
HI = > POWER_OFF
LOW :STANDBY
HIGH:ON
待机和时序控制电路
+12V TO 5V
POWER_ON/OFF
STANDBY
STANDBY
BL-ON/OFF
BL-ADJUST
BL-ON/OFF
POWER_ON/OFF
PWM_TIN
BL-ADJUST
+12V
+1.2V_VDDC_CPU
+12V
+1.2V_VDDC
+5V_Standby
+12V_Normal
+1.5V_DDR
+5V_Standby
+5V_Normal
+5V_Standby
+3.3V_Standby
+5V_Normal
+3.3V_Normal
+5V_Normal
+1.8V_Normal
+12V_Normal
+5V_Normal+5V_Normal
+3.3V_Normal
+5V_Standby +5V_Standby
+5V_Normal
+12V_Normal
+5V_Standby
+12V
+5V_Standby
+5V_Standby
+3.3V_Normal
I2C-SCL 1,2,5,9
I2C-SDA 1,2,5,9
I2C-SCL 1,2,5,9
I2C-SDA 1,2,5,9
VBL_CTRL2
BRI_ADJ2
PWR-ON/OFF2
PWM_TIN 5
D_Fomat0$3D_OUT$PWM_TOUT5
STANDBY 5
BL-ADJUST 5
BL-ON/OFF 5
Title
Size Document Number Rev
Date: Sheet of
ChangHong MSD6A638电路图
1.00
system power
A3
1 14Wednesday, July 01, 2015
四川长虹多媒体公司平板所
CHANGHONG
Title
Size Document Number Rev
Date: Sheet of
ChangHong MSD6A638电路图
1.00
system power
A3
1 14Wednesday, July 01, 2015
四川长虹多媒体公司平板所
CHANGHONG
Title
Size Document Number Rev
Date: Sheet of
ChangHong MSD6A638电路图
1.00
system power
A3
1 14Wednesday, July 01, 2015
四川长虹多媒体公司平板所
CHANGHONG
RA29
750R
R1005
RA29
750R
R1005
TP218
TP
TP218
TP
C88
22pF
C1005
C88
22pF
C1005
RA67 4.7K
R1005
RA67 4.7K
R1005
TP221
TP
TP221
TP
C133
22uF/6.3V
C2012
C133
22uF/6.3V
C2012
R113
12K/1%
R1005
R113
12K/1%
R1005
H26
NS
ARROW-L
H26
NS
ARROW-L
1
R1223 100R
R1005
R1223 100R
R1005
C24
10uF/6.3V
C1608
C24
10uF/6.3V
C1608
C122
10uF/16V
C2012
C122
10uF/16V
C2012
R49
10K
R1005
R49
10K
R1005
RA34
4.7K
R1005
RA34
4.7K
R1005
TP219
TP
TP219
TP
R10 33K/1%
R1005
R10 33K/1%
R1005
H22
NC
MT10-D4.7B
H22
NC
MT10-D4.7B
1
2
3
4
5
6
7
8
9
TP10
TP
TP10
TP
ADJ
OUT
IN
U16
NC/AS1117L-1.8
SOT-223
ADJ
OUT
IN
U16
NC/AS1117L-1.8
SOT-223
3
2
1
4
C139
22uF/6.3V
C2012
C139
22uF/6.3V
C2012
C83
10uF/6.3V
C1608
C83
10uF/6.3V
C1608
C79
0.1uF
C1005
C79
0.1uF
C1005
H10
NC
MARK-IC
H10
NC
MARK-IC
1
C136
0.1uF
C1005
C136
0.1uF
C1005
C121
0.1uF
C1005
C121
0.1uF
C1005
TP295
TP
TP295
TP
C5
0.33uF/25V
C1608
C5
0.33uF/25V
C1608
C28
47uF/6.3V
C2012
C28
47uF/6.3V
C2012
C126
330pF/X7R
C1005
C126
330pF/X7R
C1005
CA04
NC/0.1uF
C1005
CA04
NC/0.1uF
C1005
R1224 4.7K
R1005
R1224 4.7K
R1005
R39
NC/10R
R1608
R39
NC/10R
R1608
C128
NC/10uF/16V
C2012
C128
NC/10uF/16V
C2012
RA39
NC/100
R1005
RA39
NC/100
R1005
C134
NC/10uF/16V
C2012
C134
NC/10uF/16V
C2012
C57
4.7uF/6.3V
C1608
C57
4.7uF/6.3V
C1608
R1849 1K/1%
R1005
R1849 1K/1%
R1005
H5
NC
MARK
H5
NC
MARK
1
R36
140K/1%
R1005
R36
140K/1%
R1005
R1225
10K
R1005
R1225
10K
R1005
R52 10KR52 10K
L13
SPM65302R2/5A
L13
SPM65302R2/5A
12
C138
0.1uF
C1005
C138
0.1uF
C1005
C1242
NC/1uF/10V
C1005
C1242
NC/1uF/10V
C1005
QA01
MMBT3904
SOT-23
QA01
MMBT3904
SOT-23
1
2 3
TP224
TP
TP224
TP
R122 10KR122 10K
R121
100K
R1005
R121
100K
R1005
R1850 0R
R2012
R1850 0R
R2012
TP11
TP
TP11
TP
ADJ
OUT
IN
U13
AMS1117L-3.3
SOT-223
ADJ
OUT
IN
U13
AMS1117L-3.3
SOT-223
3
2
1
4
U4
SY8077-1A
SOT23-5L
U4
SY8077-1A
SOT23-5L
EN
1
GND
2
SW
3
VIN
4
FB
5
R118
NC
R1005
R118
NC
R1005
R127
100K
R1005
R127
100K
R1005
TP225
TP
TP225
TP
C76
NC/1nF
C1005
C76
NC/1nF
C1005
R143
NC/3.9K
R1005
R143
NC/3.9K
R1005
H23
NC
MARK-IC
H23
NC
MARK-IC
1
C111
0.1uF
C1005
C111
0.1uF
C1005
R117
12K/1%
R1005
R117
12K/1%
R1005
RA37
100
R1005
RA37
100
R1005
C41
0.1uF
C1005
C41
0.1uF
C1005
C86
10uF/16V
C2012
C86
10uF/16V
C2012
C84
10uF/6.3V
C1608
C84
10uF/6.3V
C1608
H6
NC
MARK
H6
NC
MARK
1
C26
22uF/6.3V
C2012
C26
22uF/6.3V
C2012
R37
0R
R1005
R37
0R
R1005
C140
1uF/10V
C1005
C140
1uF/10V
C1005
R30
10K
R1005
R30
10K
R1005
ADJ
OUT
IN
U11
AMS1117L-3.3
SOT-223
ADJ
OUT
IN
U11
AMS1117L-3.3
SOT-223
3
2
1
4
C13
0.1uF
C1005
C13
0.1uF
C1005
Q86
MMBT3904
SOT-23
Q86
MMBT3904
SOT-23
1
2 3
C137
0.1uF
C1005
C137
0.1uF
C1005
H19
NC
MT10-D4.7B
H19
NC
MT10-D4.7B
1
2
3
4
5
6
7
8
9
C141
22uF/6.3V
C2012
C141
22uF/6.3V
C2012
RA44
4.7K
R1005
RA44
4.7K
R1005
H13
NC
MARK-IC
H13
NC
MARK-IC
1
R26
22K/1%
R1005
R26
22K/1%
R1005
C27
10uF/6.3V
C1608
C27
10uF/6.3V
C1608
CA3
1nF/16V
C1005
CA3
1nF/16V
C1005
C18
4.7uF/6.3V
C1608
C18
4.7uF/6.3V
C1608
C129
22uF/6.3V
C2012
C129
22uF/6.3V
C2012
R32
24K1%
R1005
R32
24K1%
R1005
R1216
4.7K
R1005
R1216
4.7K
R1005
R120 10KR120 10K
H24
NC
MARK-IC
H24
NC
MARK-IC
1
MSH6110A1
U15
MSH6110A1
U15
5V
3
SDA
4
EN
1
FB
2
PVDD
8
BST
7
SCL
5
LX
6
PowerPAD
9
C8
4.7uF/6.3V
C1608
C8
4.7uF/6.3V
C1608
C87
1nF/16V
C1005
C87
1nF/16V
C1005
U6
AOZ4803
SOIC8
U6
AOZ4803
SOIC8
S
1
G
2
S
3
G
4
D
8
D
7
D
6
D
5
H7
NC
MARKS
H7
NC
MARKS
1
C73
0.1uF
C1005
C73
0.1uF
C1005H20
NC
MT8-D3.5B
H20
NC
MT8-D3.5B
1
2
3
4
5
6
7
8
9
QA02
MMBT3904
SOT-23
QA02
MMBT3904
SOT-23
1
2 3
C132
22uF/6.3V
C2012
C132
22uF/6.3V
C2012
C6
0.1uF
C1005
C6
0.1uF
C1005
MSH6110A
U14
MSH6110A
U14
5V
3
SDA
4
EN
1
FB
2
PVDD
8
BST
7
SCL
5
LX
6
PowerPAD
9
C85
22uF/6.3V
C2012
C85
22uF/6.3V
C2012
C104
0.1uF
C1005
C104
0.1uF
C1005
C123
22uF/6.3V
C2012
C123
22uF/6.3V
C2012
TP19
TP
TP19
TP
C82
10uF/16V
C2012
C82
10uF/16V
C2012
C124
0.1uF
C1005
C124
0.1uF
C1005
C1243
0.1uF
C1005
C1243
0.1uF
C1005
RA31
4.7K
R1005
RA31
4.7K
R1005
R1217
4.7K
R1005
R1217
4.7K
R1005
C9
0.1uF
C1005
C9
0.1uF
C1005
L14
SPM65302R2/5A
L14
SPM65302R2/5A
12
H21
NC
MT8-D3.5B
H21
NC
MT8-D3.5B
1
2
3
4
5
6
7
8
9
H25
NC
MARK-IC
H25
NC
MARK-IC
1
RA45
NC/4.7K
R1005
RA45
NC/4.7K
R1005
C1245
0.1uF
C1005
C1245
0.1uF
C1005
H15
NC
MARK-IC
H15
NC
MARK-IC
1
U1203
TPS54328
SOIC8/E-PAD
U1203
TPS54328
SOIC8/E-PAD
VBST
7
GND
5
FB
2
VREG5
3
EN
1
SS
4
VIN
8
SW
6
EPAD
9
H28
NC
MT8-D3.5B
H28
NC
MT8-D3.5B
1
2
3
4
5
6
7
8
9
H8
NC
MARKS
H8
NC
MARKS
1
C127
330pF/X7R
C1005
C127
330pF/X7R
C1005
C1244
0.1uF
C1005
C1244
0.1uF
C1005
H16
NC
MARK-IC
H16
NC
MARK-IC
1
QA702
MMBT3904
SOT-23
QA702
MMBT3904
SOT-23
1
2 3
H27
NC
MT8-D3.5B
H27
NC
MT8-D3.5B
1
2
3
4
5
6
7
8
9
RA38
NC/100
R1005
RA38
NC/100
R1005
L2
SWPA3015S2R2NT/1.5A
LP3030X150
L2
SWPA3015S2R2NT/1.5A
LP3030X150
12
R1222
10K
R1005
R1222
10K
R1005
C89
10uF/16V
C2012
C89
10uF/16V
C2012
RA50 10K
R1005
RA50 10K
R1005
C131
1uF/10V
C1005
C131
1uF/10V
C1005
R1851 NC/0R
R2012
R1851 NC/0R
R2012
R115
NC
R1005
R115
NC
R1005
Q10
MMBT3904
SOT-23
Q10
MMBT3904
SOT-23
1
2 3
H14
NC
MARK-IC
H14
NC
MARK-IC
1
D4
NC/SS34
DO-214
D4
NC/SS34
DO-214
C130
0.1uF
C1005
C130
0.1uF
C1005
TP296
TP
TP296
TP
L1203
SWPA8040S3R0NT
L-POWER1
L1203
SWPA8040S3R0NT
L-POWER1
21
R1220 10K
R1005
R1220 10K
R1005
C25
10uF/6.3V
C1608
C25
10uF/6.3V
C1608
Q85
MMBT3904
SOT-23
Q85
MMBT3904
SOT-23
1
2 3
C125
10uF/16V
C2012
C125
10uF/16V
C2012
RA109
1K
R1005
RA109
1K
R1005
C16
33pF
C1005
C16
33pF
C1005
H9
NC
MARK-IC
H9
NC
MARK-IC
1
C80
1uF/16V
C1608
C80
1uF/16V
C1608
R1221
100K
R1005
R1221
100K
R1005
UnRegistered