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+12V_NOR to +5V_STB
R3P0
100KΩ
STANDBY
R3P2
Ven>1.6V:ON
R3P26
10KΩ
100KΩ
R3P1
Ven<0.8V:OFF
+12V_NOR
47KΩ
R3P5
MP1652GTF-Z
33KΩ
1
6
VIN
FB
2
5
SW
EN
3
4
C2P9
GND
BST
C3P2
C3P3
1uF
10uF
100nF
16V
U4P7
16V
16V
Vout=0.8x[1+(R1/R2)]
R1=R3P3+R3P4 R2=R3P2
+12V_NOR to +3.3V_STB
C4P59
NC/100nF
16V
R3P13
+12V_NOR
Ven>1.6V:ON
R3P15
10KΩ
100KΩ
R3P18
Ven<0.8V:OFF
47KΩ
R3P16
MP1652GTF-Z
33KΩ
1
6
VIN
FB
2
5
3
SW
EN
4
C2P10
GND
BST
C4P58
C3P13
C3P12
1uF
10uF
10uF
100nF
16V
U4P6
16V
16V
16V
Vout=0.8x[1+(R1/R2)]
R1=R3P14+R3P17 R2=R3P13
+12V_NOR to +1.5V_DDR
C4P98
NC/100nF
16V
R3P21
+12V_NOR
Ven>1.6V:ON
R3P22
10KΩ
R3P24
Ven<0.8V:OFF
100KΩ
R3P25
47KΩ
MP1652GTF-Z
R3P23
7.5KΩ
33KΩ
1
6
2
VIN
FB
5
SW
EN
3
4
C2P12
GND
BST
C3P39
C3P38
1uF
10uF
100nF
16V
U4P8
16V
16V
Vout=0.8x[1+(R1/R2)]
R1=R3P20+R3P24 R2=R3P21
+12V_NOR to +0.95V_VDDC_CPU
Addr 0x80
+12V_NOR
U4P2
C9P3
R4P1
R4P2
9
1
EP
8
STANDBY
EN
PVDD
100nF
2
7
FB
BSR
3
6
R2=50K
16V
100KΩ
10KΩ
VREG5
SW
4
5
DCDC-SCL
SDA
SCL
C9P8
C9P9
10uF
C5P1
100nF
16V
16V
470nF
C5P2
靠近 DCDC
10V
MSH6103A
1uF
16V
DCDC-SDA
C5P1用于 调节 时序
POWER_CONNECT
R3P12
BL_ON/OFF
BL_ADJUST
BL_ON/OFF
VBL_CTRL
BL_ADJUST
1KΩ
R6P14
10KΩ
GPIO_PM0，SOC 3.3_Standby 上拉
+5V_STB to +5V_Normal
C2P7
NC/22pF
50V
R3P3
R3P4
51KΩ
2.4KΩ
+5V_Standby
L0P5
10uH
C3P4
C3P6
C3P5
10uF
NC/10uF
100nF
STANDBY
10V
10V
16V
+3.3V_STB to +3.3V_Normal
C2P11
NC/22pF
50V
STANDBY
R3P17
R3P14
30KΩ
1.3KΩ
+3.3V_Standby
L0P8
10uH
C3P16
C3P11
C3P14
100nF
10uF
10uF
16V
6.3V
6.3V
+12V_NOR to +0.95V_VDDC
C2P13
NC/22pF
50V
R3P20
+1.5V_DDR
1.3KΩ
L0P9
10uH
C3P63
C3P41
C3P37
C3P40
C4P103
C3P62
100nF
NC/22uF
10uF
10uF
10uF
10uF
16V
6.3V
6.3V
6.3V
6.3V
6.3V
+0.95V_VDDC_CPU
L1P5
电感的温升电流要3A以上
元件 靠近 DCDC放置
R1
2.3uH
C9P4
C4P100
C9P5
C9P6
C9P7
NC/10uF
330pF
50V
22uF
22uF
100nF
6.3V
6.3V
6.3V
16V
+0.95V_VDDC_CPU
R4P3
12KΩ
远端 反馈 ,即 从IC 底部 引线
靠近 DC-DC
Vout=0.828V*(1+R1/50K)
此DCDC 不能更改
+3.3V_Standby
+3.3V_Standby
R6P17
NC/4.7KΩ
R2P1
R6P16
4.7KΩ
BRI_ADJ
STANDBY
BRI_ADJ
C3P10
NC/2.2uF
1KΩ
R6P18
16V
NC/10KΩ
+5V_Standby
解决短路故障温升问题：采用P T C 自恢复保险丝
6000-C15229-0S00
保留5VSTB预留远场语音以及部分WIFI使用
R1P14
0Ω
Q1P8
ME2345A
3
2
+5V_Normal
C4P89
R1P5
10KΩ
100nF
16V
R1P6
CE0P1
C4P96
R1P7
100KΩ
1
220uF
100nF
Q1P5
16V
16V
10KΩ
KMBT3904
Q1P12
3
2
NC/KMBT3904
R1P11
NC/100KΩ
D0J4
R1P12
NC/100Ω
C3P61
NC/SS14
NC/10uF
6.3V
Q1P9
+3.3V_Standby
ME2345A
3
2
+3.3V_Normal
C4P90
R1P9
100nF
10KΩ
16V
R1P10
R1P8
100KΩ
1
C4P93
C4P94
C4P104
Q1P10
10uF
100nF
10KΩ
KMBT3904
6.3V
16V
NC/22uF
6.3V
C9P2
Ven>1.6V:ON
100pF
Ven<0.5V:OFF
50V
C1P14
C1P16
R2P83
10nF
4.7uF
R9P10
C1P15
300KΩ
100KΩ
+12V_NOR
50V
10V
100nF
C1P17
16V
U4P9
100nF
STANDBY
AOZ2152EQI-30
16V
R7P13
1
14
10KΩ
2
EN
LX
13
FB
LX
3
12
4
AGND
PGND
11
IN
PGND
5
10
IN
PGND
C4P57
22uF
C1P24
C1P25
25V
10uF
100nF
16V
16V
Vout=0.8x(1+(R1/R2))
R1=R1P01+R1P03
R2=R1P04
+12V_NOR to +1.8V_eMMC
U3P6
R2P52
JY1117EA
68Ω
R2P53
R2P54
200Ω
120Ω
+3.3V_Normal
+1.8V_Normal
C3P33
C3P34
C3P36
C3P35
C4P102
NC/10uF
100nF
100nF
2.2uF
NC/10uF
10V
10V
16V
16V
6.3V
Vout=1.25x(1+(R2/R1))
R1=R2P52+R2P53
R2=R2P54
PWR-ON/OFF
VID_0
VID_0
VBL_CTRL
VBL_CTRL
BRI_ADJ
BRI_ADJ
PWR_ON/OFF
PWR-ON/OFF
BL_ON/OFF
BL_ON/OFF
BL_ADJUST
BL_ADJUST
STANDBY
STANDBY
Technical Document
输出电容的容值需要根据系统的实 际需要 进行调整
VID_0
R7P8
L
NC
上电时间需调节,关机要放电
H
27K
EN端的电压范围是2.5V-6V,
L1P4
+0.95V_VDDC
1.0uH
+0.95V_VDDC
远端 反馈 ,即 从IC 底部 引线
C1P18
NC/100pF
R1P01
C1P22
C1P19
C4P45
C1P20
C1P27
50V
10KΩ
22uF
100nF
NC/22uF
6.3V
10uF
10uF
16V
6.3V
R1P02
6.3V
6.3V
NC/1.8KΩ
R1P03
0Ω
R1P04
51KΩ
VID
R7P15
75KΩ
R7P8
180KΩ
R7P16
10KΩ
1nF
1nF
50V
C4P1
C4P2
50V
VID_0
VID_1
+12V_NOR to 1.2V_MOD_VTERM
U4P3
BL1117-12CX
+3.3V_Normal
1.2V_MOD_VTERM
C4P101
C3P45
C3P44
C3P42
C3P43
NC/10uF
NC/10uF
100nF
100nF
2.2uF
6.3V
10V
10V
16V
16V
Vout=1.25x(1+(R2/R1))
29/43
R7P9
VDDC
NC
0.963
NC
1.024
VID[1]
VID[0]
R2
VDDC
OD
OD
51K
0.956
OD
L
39.74K
1.0V
31.87K
L
OD
1.051V
L
L
27K
1.096V
MSD6886
Title
Size
Document Number
Rev
System power
Custom
1.0
Date:
Tuesday, January 15, 2019
Sheet
3
of
16
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