5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
For DC-DC FB=0.6V
Range:0.7-0.88V
Design Max: 6A
close to FB pin
Design Max: 6A
close to FB pin
FB=0.6V
For DC-DC FB=0.6V
Range:0.69-1.05V
FB=0.6V
FB should trace from SOC side
LPDDR4X: VDDQ=0.6V U7/L7=YES R47=NC R49=0R R50=NC
LPDDR4 : VDDQ=1.1V U7/L7=NC R47=0R R49=/ R50=/
LPDDR4 : VDDQ=1.1V U7/L7=YES R47=NC R49=100K_1% R50=120K_1%
100mA
5V<V<24V
Design Max: 5A
FB should trace from SOC side
5V<V<24V
close to FB pin
For DC-DC FB=0.6V
Range:0.69-1.05V
Select fast power on LDO to
make sure VDDAO_1.8V ramps
up with VSYS_3V3 at same time.
FB=0.6V
Rising: 1.3V
Design Max: 3A
Design Max: 2A
VIM3L VIM3
U4
L4
R12
NC
NC
0R NC
YES
YES
VCC_MCU
VSYS_3V3DCIN
VCC5V
VCC5V0_HDMI
DCIN
VSYS_3V3
VSYS_3V3 VDDQ_1V1
VSYS_3V3 VDDQ VDDQ_1V1
VDD_EE
DCIN
VDD_EE
VDDCPU_A
DCIN
VDDCPU_A
MODE_CPUB
MODE_CPUBMODE_EE
MODE_EE
VDDCPU_B
VSYS_3V3
VDDCPU_B
VCC3.3V EMMC_1.8V
VCC1.8VVCC3.3V VDDIO_AO18
VDDCPU_B
VDDIO_AO18VSYS_3V3
VSYS_3V3
VCC3.3V
VSYS_3V3
VDDCPU_A_PWMVDDEE_PWM
PWR_EN
PWR_EN
VDDCPU_B_PWM
VDDCPU_A_EN
VCC5V_EN
VDDCPU_B_EN
VDDCPU_B_EN
Project:
File:
Date:
Shenzhen Wesion Technology Co., Ltd.
Designed by:
Rev:
Sheet: of
Saturday, November 07, 2020
Power
VIM3
Gouwa 3 11
V13
Project:
File:
Date:
Shenzhen Wesion Technology Co., Ltd.
Designed by:
Rev:
Sheet: of
Saturday, November 07, 2020
Power
VIM3
Gouwa 3 11
V13
Project:
File:
Date:
Shenzhen Wesion Technology Co., Ltd.
Designed by:
Rev:
Sheet: of
Saturday, November 07, 2020
Power
VIM3
Gouwa 3 11
V13
R38
100K_1%
R0402
C24 1uF
C0402
R5
47K
R0402
C45
1nF
C0402
C27
10uF_25V
C0603
C44
0.1uF
C0402
U2
NB679GD
VIN
1
PG
3
VOUT
5
BST
8
SW
7
EN
11
AGND
10
EN_LDO
12
VCC
9
LDO
6
PGND
2
NC
4
C73
NC/0.1uF
C0402
C54
22uF
C0603
C37
22uF
C0603
C17
0.1uF
C0402
L2
2R2_35mohm_5A
MWSA0518
C21 1uF
C0402
C64
0.1uF
C0402
C59
0.1uF
C0402
R13
NC/100K
R0402
R4 10K
R0402
R33 20K_1%
R0402
C69
22pF
C0402
R31 NC/10K
R0402
C47
1uF
C0402
C4
0.1uF_25V
C0402
R23 200R_1%
R0402
C40
4.7uF
C0402
C2
10uF_25V
C0603
R45
120K_1%
R0402
C61
0.1uF
C0402
R2 3.3R
R0402
C42
0.1uF
C0402
C55 22pF
C0402
L7
NC/2R2_100mohm_3A
L2520
R49
0R
R0402
R29 300K_1%
R0402
R25 NC/10K
R0402
C39
22uF
C0603
C38
4.7uF
C0402
R22 10K_1%
R0402
C10
22uF
C0603
R40 10K_1%
R0402
L3
1R0_15mohm_6A
MWSA0518
C29
10uF_25V
C0603
C28
10uF_25V
C0603
C52
10uF
C0402
C57
22uF
C0603
C11
0.1uF_25V
C0402
R3 47K
R0402
C63
10uF
C0402
C50
0.1uF
C0402
C26
0.22uF
C0402
R1 3.3R
R0402
R36
18.2K_1%
R0402
R30 160K_1%
R0402
C43
1nF
C0402
L1
1R5_70mohm_3A
L3030
C71
22uF
C0603
U4
MP8756GD
MP8756_QFN12
PG
3
VIN
1
PGND
2
MODE
6
VOUT
5
NC
4
SW
7
BST
8
VCC
9
AGND
10
FB
11
EN
12
C53
22uF
C0603
C58
22uF
C0603
R44 10K
R0402
C15
0.1uF
C0402
R37 39K
R0402
R9 100K
R0402
U3
MP8756GD
MP8756_QFN12
PG
3
VIN
1
PGND
2
MODE
6
VOUT
5
NC
4
SW
7
BST
8
VCC
9
AGND
10
FB
11
EN
12
R39 NC/10K
R0402
C72
0.1uF
C0402
R12 NC/0R
R0805
C30
10uF_25V
C0603
C31
22uF
C0603
R8 100K
R0402
U9
WL2803E18-5
SOT23-5
VIN
1
GND
2
ON/OFF
3
NC
4
VOUT
5
C62
1nF
C0402
C25
0.22uF
C0402
R7 100K
R0402
C75
10uF
C0402
L4
1R0_15mohm_6A
MWSA0518
R42 30K_1%
R0402
C32
22uF
C0603
R10 3.3R
R0402
R16 499R_1%
R0402
C22 1uF
C0402
C33 220pF
C0402
R50
NC/120K_1%
R0402
R26
NC/27K
R0402
U5
SY8030DEC
DFN2X2-6
LX
1
MODE
2
EN
4
FB
3
IN
5
GND
6
EP
7
C1
0.22uF
C0402
R21 10K
R0402
L6
2R2_100mohm_3A
L2520
R14 499K_1%
R0402
C51
0.1uF
C0402
C16
10uF
C0402
R20 51.1K_1%
R0402
R51 NC/0R
R0603
U1
NB680GD
VIN
1
PG
3
VOUT
5
BST
8
SW
7
EN
11
AGND
10
EN_CLK
12
VCC
9
LDO
6
PGND
2
CLK
4
R32 30K_1%
R0402
C70
22uF
C0603
C6
22uF
C0603
R47 0R
R0402
R24 NC/10K
R0402
R34 10K
R0402
R28
10K
R0402
R43 20K_1%
R0402
C65
4.7uF
C0402
R6
10K
R0402
C13
22uF
C0603
C23 1uF
C0402
R17 499R_1%
R0402
C60
0.1uF
C0402
C67
10uF
C0402
C12
22uF
C0603
R15 499K_1%
R0402
C34 220pF
C0402
R41 4.7K
R0402
C7
0.1uF
C0402
R11 3.3R
R0402
C74
10uF
C0402
U6
SY8030DEC
DFN2X2-6
LX
1
MODE
2
EN
4
FB
3
IN
5
GND
6
EP
7
C36
22uF
C0603
R48 39K
R0402
C35
22uF
C0603
Q2
PMBT3904
SOT-23
1
2 3
C14
0.1uF
C0402
C56
22pF
C0402
C68
10uF
C0402
C18
1nF
C0402
U7
NC/SY8030DEC
DFN2X2-6
LX
1
MODE
2
EN
4
FB
3
IN
5
GND
6
EP
7
C41
10nF
C0402
C5
0.22uF
C0402
C8
10uF_25V
C0603
C66
4.7uF
C0402
R35
137K_1%
R0402
U10
WL2803E18-5
SOT23-5
VIN
1
GND
2
ON/OFF
3
NC
4
VOUT
5
R27
10K
R0402
C19
0.1uF
C0402 C20
NC/10pF
C0402
C48
10uF
C0402
L5
2R2_100mohm_3A
L2520
Q1
WPM3401
SOT-23
G
1
S
2
D
3
C9
10uF_25V
C0603
C46
1uF
C0402
C49
0.1uF
C0402
U8
WL2803E18-5
SOT23-5
VIN
1
GND
2
ON/OFF
3
NC
4
VOUT
5
R46
18.2K_1%
R0402
R19 5.6K_1%
R0402
R18 10K
R0402
C3
10uF_25V
C0603