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5.
Schematics (V30)
Main board schematic-1
+5V
5V_TEST
+5V
D6
5V
LED Green
C149
C150
C/0.1/uF/0402
C/4.7/uF/0603
R26
R/15K/Ohm/0402
DC_DC_3V3
+5V
L1
ZADR-252012MEH-4R7M
U13
4
3
VSW2
1
2
VIN
LX/SW
2
GND
5
1
FB
EN
C156
C/4.7/uF/0603
ITE7811
1
2
EN1
EN1
R31
R/0/Ohm/0402
R33
NI/R/0/Ohm/0402
1
2
3V3_FB
1
2
C162
NI/0402
C163
C/220/pF/0402
2
1
2
1
R34
R/24.3K/Ohm/0402
R35
R/110K/Ohm/0402
2xAA Battery
R30
NI/0603
1
2
Q11 SI2323DS-T1-GE3
1
V_2AA
J21
2
HEADER 2
AA
Reverse
voltage
protection
R29
R/0/Ohm/0402
U30
RT6150AGQW
V_2AA_B_I
5
1
VIN
VOUT
8
VINA
10
V_B_FB
EXT_PMU_EN
6
FB
L2
7
EN
2
C153
V_B_PS
V_B_2
PS
LX2
C/10/uF/0603
ZADM-252012MEH-2R2M
R94
NI/4.7K/Ohm/0402
4
V_B_1
LX1
R95
R/4.7K/Ohm/0402
DC_DC_3V3
V_2AA_O_3V3
DC_DC_3V3
C158
C101
C180
C/4.7/uF/0603
C/0.1/uF/0402
C/10/uF/0805
DC_DC_3V3
V_2AA_B_I
V_2AA_B_I
V_2AA_O_3V3
1
2
R92
C178
R/487K/Ohm/0402
C/22/uF/0805
R93
R/86.6K/Ohm/0402
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
IC Power Consumption Measurement
R46
NI/R/0/Ohm/0603
1
2
3V3
J30
J27
2x1
1
2
1
2
3V3_IN
3V3
J28
2x1
2x1
1
2
D5
LED Green
3V3
R24
R/12K/Ohm/0402
R4
R/0/Ohm/0603
1
2
3.3V_I
C151
C152
C/1/uF/0402
C/0.1/uF/0402
C182
C/10/uF/0805
RTC Domain Power Measurement
R32
NI/0603
1
2
J23
2x1
1
2
J26
J24
2x1
1
2
VRTC_IN
1
2
RTC_3V3
2x1
J29
2x1
1
2
RTC INTERRUPT
VRTC_IN
R52
S4
D7
1
2
EINT_IN
EINT_OUT
2
1
EXT_PMU_EN
1
R/300/Ohm/0402
Diode/MMDL914T1
KSW
PMU_EN_RTC
R58
D8
1
2
PMU_EN_RTC_M
2
1
R/300/Ohm/0402
Diode/MMDL914T1
© 2015 MediaTek Inc.
LinkIt 7687 HDK V30 User's Guide
RTC_3V3
EXT_PMU_EN
PMU_EN_RTC
PMU_EN_WF
SY S_RST_N
GPIO0
C181
C/10/uF/0805
PMU_EN_WF_D
R28
JP33
PMU_EN_WF
2
1
R1409
EINT_OUT
close pin
R89
R/12K/Ohm/0402
C70
C/1/uF/0402
EINT(GPIO)
S5
KSW
3.3V_I
R84
R/1K/Ohm/0402
1
2
EINT_0_M
TP3
Reset Botton
S1
SY S_RST_N
SY S_RST_N_M
R51
R/1M/Ohm/0402
KSW
MediaTek Inc.
Title
MT76x7 Main Board
Size
Document Number
C
1-Power Tree
Date:
Monday , March 07, 2016
R/4.7K/Ohm/0402
3V3
2
NI/R/4.7K/Ohm/0402
RTC EINT Mode
R85
R/10K/Ohm/0402
GPIO0
1
2
R20
R/0/Ohm/0402
Rev
3.0
Sheet
1
of
4
Page 20 of 23
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