MT7682 HDK V11 User's Guide
© 2017 Airoha Technology Corp.
Page 19 of 28
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Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
1.
Schematics (V11)
Main board schematic-1
J2009
1
2
EXT_PMU_EN
EXT_PWR_EN
21
J2002
DIP3/P2.54
JUMPER3
+
1
+
2
+
3
V_2AA_O_3V3
J2003
DIP3/P2.54
JUMPER3
+
1
+
2
+
3
+5V
S2001
KSW
CHIP_EN
R2002 R / 1 / K / 0402
SY S_RST_N_M
E I N T ( G P I O )
EINT_0_M
S2005
KSW
R2013R / 1 / K/ 0402
1
2
R2014 R / 10 / K / 0402
1
2
GPIO0
R e s e t B o t t o n
J2013
1
2
GPI
O0
_I
N
T
GPIO0
21,90
J2014
1
2
DVDD_IO_1
J2016
1
2
J2015
1
2
5 V
VRTC
21
T it le
S iz e
D a t e :
S h e e t
o f
M
T K C o n f id e n t ia l
20_Power Tree
C
20
99
Thursday , April 13, 2017
D2002
LED Green
1
2
L
E
D
_
5
V
R2004
R / 15 / K / 0402
1
2
+5V
J2010
1
2
J2011
1
2
RTC_EINT
21
VRTC
RTC_EINT
S2006
KSW
R2020
R / 10 / K / 0402
J2004
1
2
J2005
1
2
J2006
1
2
DVDD_IO_0
DVDD_IO_1
C2012
C / 10 / uF / 0805
1
2
C2001
C / 0.1 / uF / 0402
J2007
1
2
DC_DC_3V3
C2009
C / 0.1 / uF / 0402 / NC
1
2
R2011 R / 110 / K / 0402
1
2
R2010 R / 24.3 / K / 0402
1
2
C2008
C / 4.7 / uF / 0603
1
2
C2010
C / 220 / pF / 0402
1
2
VSW2
EN1
EN1
C2007
C / 4.7 / uF / 0603
1
2
R2009
R / 0 / ohm / 0402 / NC
1
2
U2001
ITE7811
FB
5
GND
2
EN
1
VIN
4
LX/SW
3
L2001
ZADR-252012MEH-4R7M
1
2
D C _ D C _ 3 V 3
CHIP_EN
21,30
C2002
C / 0.1 / uF / 0402
1
2
+5V
C2003
C / 4.7 / uF / 0603
1
2
J2008
1
2
R2019 R / 10 / K / 0402
1
2
VRTC_MM
CHIP_EN
VRTC
3V3
R2012
R / 0 / ohm / 0603 / NC
1
2
3V3_IN
I C P o w e r C o n s u m p t i o n M e a s u r e m e n t
DC_DC_3V3
3V3
C2013
C / 10 / uF / 0805
1
2
C2005
C / 0.1 / uF / 0402
R2003
R / 12 / K / 0402
1
2
D2001
LED Green
1
2
C2014
C / 10 / uF / 0805
1
2
3.3V_I
C2004
C / 1 / uF / 0402
3 V 3
L
E
D
5
R2001 R / 0 / ohm / 0603
1
2
R T C D o m a i n P o w e r M e a s u r e m e n t
DC_DC_3V3
VRTC
V_2AA_B_I
R2008
R / 0 / ohm / 0603 / NC
1
2
VRTC_IN
C2011
C / 22 / uF / 0805
1
2
V_2AA_O_3V3
R2016
R / 86.6 / K / 0402
1
2
R2015
R / 487 / K / 0402
1
2
V_B_FB
V_B_1
V_B_2
R2017 R / 4.7 / K / 0402 / NC
V_B_PS
R2018 R / 4.7 / K / 0402
V_2AA_B_I
2 x A A B a t t e r y
V_2AA
Q2001
SI2323DS-T1-GE3
R2005
R / 0 / ohm / 0402
1
2
V
_2
A
A
_M
M
R2006
R/ 0 / ohm / 0603 / NC
1
2
V_2AA_B_I
R e v e r s e
voltage
protection
EXT_PMU_EN
J2001
HEADER 2
1
2
C2006
C / 10 / uF / 0603
1
2
L2002
ZADM-252012MEH-2R2M
1
2
U2002
RT6150AGQW
FB
10
GN
D
9
VOUT
1
GN
D
3
VINA
8
VIN
5
GN
D
1
1
LX2
2
LX1
4
EN
6
PS
7
A A
3V3_FB
J2012
1
2
