Schematics

V
INDC
VINDC
DVDD_7
1_8V_D_7
1_8V_7
3_3V_G_7
3_3VD_D_7
3_3V_7
+3_3V_RF
+3_3V_BD
+3_3V_BD
VDDRA
2_5V_EFUSE
+3
_3V
[4]VGASP_SENSE
+3
_3V_WIFI
+3_3V_WIFI
+
5_0V
VI
NDC
V
IN4
EN4
BST4
SW4
FB4
+3_3
V
+3
_3V_BD
VINDC
V
IN5
EN5
BST5
SW5
FB5
VI
NDC
+3_3V_RF
VIN1
EN1
B
ST1
SW1
FB1
GND
VCCK_BD
VCCK
VINDC
V
IN6
EN6
BST6
SW6
FB6
GND
GND
VI
NDC
VINDC
VIN2
EN2
BST2
SW2
F
B2
VI
N3
E
N3
BST3
SW3
FB3
[4]
5V_EN
[4
]VCCK_PWM
[4]3V3_PWM
N28264477
G
ND
G
ND
G
ND
Bo
ard Fiducial Mark
DC12V
+/-10%
Fo
r USB Host 5V Power
For MT7915
For MT7915
Fo
r MT7975 TXG
For MT7975
For MT7915
WI
FI 3.3V(option)
DRAM Power 1.5V
12V
M
T7915 D
MT797 5D
Vout = 1.25* ((1+(R622/R621))
Vout R622 R621
1.51V 68 330
5V
V
o=0.8*(1+R9A1/R8A1)
3V
3
V
o=0.8*(1+R14A1/R13A1)
Vo=0.8*(1+R11A8/R12A8)
Vo
ut=0.8*(1+R18A1/R17A1)
1V
2
V
o=0.8*(1+R1A8/R2A8)
Vo=0.8*(1+R22A8/R23A8)
1_
0V
1_8V
C
600 C0805/SMD
NC/0.1uF,50V,0805]
C
966
C0402
NC/0.1uF,6.3V
1
2 3
J
600
J-DC-JACK
PowerJack,2.5,DIP3
C965
C0402
NC/1uF,6.3V
F
M2
0
FD
[FiducialMark]
D606
SOD323
NC/UDZ15B, Zener, 200mW,SOD-323]
F
M1
0
FD
[FiducialMark]
7R2237
R0805
0R
C
603
C0402/SMD
NC/0.1uF,25V]
R602
NC/10KR,0805
F
M5
0
FD
[FiducialMark]
1
1
H210HOLE/PT
H/R0.762X1.6D0.508X1.3
[[ShieldingGnd]]
1 2
7WR382
R0805
0R,0805
+
E
C802
C22UF63V/D6.3H11
220uF,10V,6.3*7
+
EC603
CAP
-5X10X14
1000uF,25V,13*15
1
1
H
2 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
C
601
C0805
NC/0.1uF,50V
F
M4
0
FD
[FiducialMark]
C967
C0402
NC/1uF,6.3V
+
EC602
CAP
-5X10X14
1000uF,25V,13*15
1
1
V
INDC
0 TP/DIP/D1.0
[TP
]
1
1
H
9 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
M
H36HOLE/PTH/R3.5D3.0[STAMP]
C968
C0402
NC/0.1uF,6.3V,
1
1
H
4 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
R
604
NC/0R,1206
7
R3002
R1206
0R,1206
7C3002
C0201
4.7pF
1
1
G
ND8
0 TP/DIP/D1.0
[TP
]
C
604
C
1206
470pF/1000pF,2KV,1206
1 2
7
WR237
R0805
0R,0805
C
624
C0603
1uF,6.3V,0402
MH39HOLE/PTH/R3.5D3.0[STAMP]
7R2240
0805
0R
L600
L0805/SMD
0R,0805
1
1
GND3
0 TP/DIP/D1.0
[TP
]
7
R3003
R1206
NC/0R,1206]
R
622
R0402
68R,1%,0402
1
1
G
ND1
0 TP/DIP/D1.0
[TP
]
M
H40HOLE/PTH/R3.5D3.0[STAMP]
1
1
H17 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
F
M3
0
FD
[FiducialMark]
1
1
GND2
0 TP/DIP/D1.0
[TP
]
1
1
G
ND5
0 TP/DIP/D1.0
[TP
]
7
R2213
NC/SB/1206
0R,1206
F
M6
0
FD
[FiducialMark]
C621
C0402/SMD
0.1uF,6.3V,0402
MH23HOLE/PTH/R3.5D3.0[STAMP]
3
GND
2
VOUT
1
VIN
U621
SOT23/3P/SMD/AP7315
NC/AP7315-25SA-7,LDO,150mA,SOT23]
2 1
D
605
DO2010
SS34/1N5822,DO2010
1
1
H
18 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
7
R2212
NC/SB/1206
0R,1206
R
621
R0402
330R,1%,0402
1
1
G
ND6
0 TP/DIP/D1.0
[TP
]
1
1
H
8 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
C
623
C0603
NC/4.7uF,6.3V
1
1
H
20 0 HOLE/PTH/R0.762X1.6D0.508X1.3
[[Sh
ieldingGnd]]
1
1
MH1
4
NC/TESTPOINT
TE
ST-1.5
1
1
M
H12
NC/TESTPOINT
T
EST-1.5
1
ADJ/GND
2
VOUT
3
VIN
4
U908
AZ1117EH-ADJTRG1,SOT223
IC-SOT223
C
10
C0402
1uF,6.3V,0402
8
GND
7
GND
4
NC
5
IN_2
6
OUT2
1
OUT1
2
IN_1
3
NC
S1
S
W-KA03-2
SW-KA04
FM7
0
FD
[FiducialMark]
FM8
0
FD
[FiducialMark]
1 2
9D8
SOD-123
NC/1N4148W
M
H1HOLE/PTH/R3.5D3.0[STAMP]
MH2HOLE/PTH/R3.5D3.0[STAMP]
MH3HOLE/PTH/R3.5D3.0[STAMP]
MH5HOLE/PTH/R3.5D3.0[STAMP]
MH7HOLE/PTH/R3.5D3.0[STAMP]
MH16
PAD-R2.7X5
[STAMP]
MH18
PAD-R2.7X5 [STAMP]
MH19
PAD-R2.7X5
[STAMP]
MH21
PAD-R2.7X5
[STAMP]
MH22
PAD-R2.7X5
[STAMP]
+
EC803
C
22UF63V/D6.3H11
NC/220uF,10V,6.3*7
C
80
0.1uF,25V
C83
NC/22uF,25V
C
14A1
1nF
C8A1
100nF/Y5V
R6A1
100K
L1A1
4.7
uH/2.2A
R
8A1
7.5
K/1%
R
9A1
40
.2k/1%
C
6A1
22
uF/25V
C
11A1
22
pF
C
12A 1
22u F/1 0V
C
13A1
100nF/Y5V
F1A1
60
R/3A
R
8A3
75
K/1%
R
9A3
10
R/1%
C
11A3
1U
F/16V
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
1
M
P1657
C
12A 3
22u F/1 0V
3
I
N
2
SW
1
GND
6
B
ST
5
EN
4
FB
U1B2
R
T6214
F2A1
60
R/3A
C27A1
1nF
C19A1
100nF/Y
5V
R
11A1
100K
L2A1
2.2
uH/3.7A
R
13A1
13
K/1%
R
14A1
40
.2k/1%
C
17A1
22
uF/25V
C
22A1
22
PF
C
20A1
1nF
C
23A 1
2
2uF /10 V
C
24A 1
2
2uF /10 V
C
26A1
100nF/Y5V
R15A1
0R
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
3
M
P1658
R
8A4
75
K/1%
R
9A4
10R/1%
C
11A4
1U
F/16V
3
I
N
2
SW
1
GND
6
B
ST
5
EN
4
FB
U2B5
R
T6214
C54A8
0.1UF
C61A8
22UF/25V
R10A8
1
00K
L
6A8
2
.2uH/3.7A
C55A8
22P
C56A8
0.1UF
C57A8
1000P
C58A8
22UF/10V
R11A8
4
0.2k/1 %
R12A8
1
3k/1%
F
2A2
60
R/3A
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
2
MP165 7
R
8A7
75
K/1%
R
9A7
10
R/1%
C
11A7
1U
F/16V
C58A1
22UF/10V
3
I
N
2
SW
1
GND
6
B
ST
5
EN
4
FB
U7B2
R
T6214
F3A1 60R/3A
C30A1
22
uF/25V
C
36A1
100nF/Y
5V
C
32A1
100nF/Y5V
C37A1
22uF/10V
R
17A1
8
2K/1%
R18A1
4
0.2K/1%
L
14A
1uH/5A
R
16A1
100K
R
19A1
0R/0805
C35A1
22pF
C40A1
1
nF
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
0
M
P1658
R
8A2
20
0K/1%
R
9A2
10
R/1%
C
11A5
1U
F/16V
C
36A2
2
2uF/10 V
3
I
N
2
SW
1
GND
6
B
ST
5
EN
4
FB
U6B2
R
T6214
C8
A8
0.1UF
C7
A8
22UF/25V
R3
A8
1
00K
L7
A8
1
uH/5A
C5
9A8
22P
C4
A8
0.1UF
C5
A8
1000P
C1A8
22UF/10V
R1
A8
4
0.2K/1 %
R2
A8
1
60K/1 62K/1%
C1
1A8
0.1UF
C1
0A8
22UF/25V
R2
0A8
1
00K
L8
A8
2
.2uH/3.7A
C2
0A8
22P
C2
6A8
0.1UF
C2
7A8
1000P
C21A8
22UF/10V
C23A8
22UF/10V
R2
2A8
4
0.2K/1 %
R2
3A8
3
1.6K/ 32.4K/ 1%
F2A3
60
R/3A
F
2A4
60
R/3A
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
4
M
P1658
R
8A8
20
0K/1%
R
9A8
10
R/1%
C
11A9
1U
F/16V
1
IN
2
SW
3
GND
4
BST
5
EN
6
FB
U1
5
M
P1657
R
8A9
15
0K/1%
R
9A9
10
R/1%
C
11A10
1U
F/16V
C1A1
22UF/10V
3
I
N
2
SW
1
GND
6
B
ST
5
EN
4
FB
U8B2
R
T6214
3
IN
2
SW
1
GND
6
B
ST
5
EN
4
FB
U9B2
R
T6214
R656
R
0402/SMD
NC/100KR
R613
R
0402/SMD
NC/374K,0402
R633
R
0402/SMD
NC/374K,0402
M
H24
PAD-R2.7X5
[STAMP]
H
EATSINK
12
H
EAT2
HETA-30X45
[Heat Sink]
MH27
PAD-R2.7X5
[STAMP]
H
EATSINK
H
EAT1
[Heat Sink]
1
1
F2
1
1
F
1
1
1
F
3