Datasheet

LDO
TEMP
TEMP
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL-INT2
ACCEL-INT1
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL-INT2
ACCEL-INT1
ACCEL-INT2
ACCEL-INT1
C104
4.7µF
ACCEL-SA1
S C H E M A T I C
f o r S T M 3 2 C a p a c i t i v e
1
2
3
VDD
VOUT
GND
U14
MCP9700A
C106
0.1µF
C107
0.1µF
R62
100
TEMP
VCC-3V3
GND
2
SDA
3
SCL
4
VDD
1
U13
LTR-329ALS-01
VCC-3V3
SENS-I2C_SCL
SENS-I2C_SDA
C102
0.1µF
VCC-3V3
R63
10k
VCC-3V3
ACCEL-SA0
INT2
9
INT1
11
GND
12
SCL/SCK
4
RES
3
RST
16
N/C
15
VDD
14
RES
13
GND
5
SDA/MOSI
6
SA0/MISO
7
CRST
8
SA1/CS_B
10
VDDIO
1
BYP
2
U15
FXOS8700CQR1
VCC-3V3
C108
100nF
C109
100nF
C103
100nF
VCC-3V3
C105
100nF
SENS-I2C_SCL
SENS-I2C_SDA
ACCEL-SA0
R65
10k
VCC-3V3
ACCEL-SA1
R66
4.7k
R64
4.7k
VCC-3V3VCC-3V3
SENS-I2C_SCL SENS-I2C_SDA
1
2
3
JP3
1
2
3
JP4
Temp sensor
ALS
ACCEL
1
2
3
IN
GND
OUT
5
4
EN ADJ
U6
AP7331
VCC-1V8
R39
56k
VCC-3V3
C70
2.2µF
R37
200k
C71
4.7µF
1
2
3
IN
GND
OUT
5
4
EN ADJ
U7
AP7331
R46
100k
VCC-3V3 VCC-1V2
C76
2.2µF
R43
200k
C77
4.7µF
LED driver
BST
1
GND
2
FB
3
EN
4
VIN
5
SW
6
U12
MCP16331T
D9
VIN
C96
20pF
VCC-5V
C93
100nF
C98
47µF
R58
523k
R59
97.6k
Buck 5V
C99
10µF
D10
PMEG4050EP,115
L5
22µH
C100
10µF
C101
10µF
L1
2.2µH
C69
10µF
R36
1
C68
10µF
VCC-BATBAT
BAT_SENS
R41
1M
R38
1.1 MOhms
C72
47µF
2
1
CN6
SHM1x2
D2
1
2
3
SW
GND
VIN
5
4
FBEN
U9
TPS61041DBVR
D4
DZ1
LED+
VCC-5V
LED-
R50
34
BCKL
L3
10µH
C83
10µF
C84
1µF
R45
200k
R48
30k
NC
1
SS
2
FB
3
AGND
4
PGND
5
PGND
6
COMP
12
EN
11
VIN
10
OVP
9
SW
8
SW
7
13
U8
MIC2253-06YML-TR
C73
100pF
D3
VIN
VCC-BAT
LD1
PWR
VIN
6 1
2
Q1A
DMP1046UFDB-7
R49
1k
L2
2.2µH
C74
33uF
C80
0.47µF
3 4
5
Q1B
DMP1046UFDB-7
C78
33 uF
DNP
R47
4.7k
C82
10nF
Boost
Vin-CHG
C81
220pF
C79
47µF
R40
10
R44
4.7k
R42
10
C75
1µF
VCC-USB
6
1
2
Q7A
R80
100k
R78
10k
VCC-USB
R79
10
DZ2
BZT52C3V9T-7
Q8
BC846B-7-F
R81
1k
1 2
3
5
6
7
SW1
JS202011JCQN
BOOST_en BOOST_in
R84
4.7k
BOOST_in
BOOST_en
SW
R83
10k
C133
1nF
61
2
Q10A
DMP1046UFDB-7
34
5
Q10B
DMP1046UFDB-7
BST
1
GND
2
FB
3
EN
4
VIN
5
SW
6
U11
MCP16331T
D5
VIN
C86
20pF
VCC-3V3
C85
100nF
C87
47µF
R56
100k
R51
316k
Buck 3V3
C88
10µF
D7
PMEG4050EP,115
L4
15µH
C91
10µF
C92
10µF
VCC-5V
R57
47k
USB-VBUS
D8
PMEG3010ER,115
C97
47µF
VCC-USB
USB host
L6
2.2µH
6 1
2
Q3A
DMP1046UFDB-7
34
5
Q3B
DMP1046UFDB-7
61
2
Q4A
DMP1046UFDB-7
C94
10µF
C95
10µF
USB_PSW
R101
10k
VCC-5V
R61
5.1k
USB_PSW!
USB_PSW!
3
1
2
Q6
BSS138
3
1
2
Q5
BSS138
3
1
2
Q11
BSS138
D1 D6
VCC-5VUSB-VBUS
R87
12.1k
DZ3
MM3Z3V3B
R60
10k
Charger
VIN
1
PPR
2
CHG
3
EN
4
GND
5
FAST
6
ISET
7
BAT
8
9
EP
A
D
U10
MC34671AEPR2
BAT
R55
10k
C89
10µF
LD2
CHG
R52
10k
VCC-3V3
STATUS
3
1
2
Q2
BSS138
Vin-CHG
R53
2.2k
C90
1µF
VCC-USB
34
5
Q7B
DMP1046UFDB-7
R82
10k
R54
27k
R100
6k8
3
1
2
Q9
BSS138
SW
R85
10
R86
1M