Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SDA
INT
SCL
Prox
SCL
SDA
INT
Body
Prox
3.3V
3.3V
3.3V
3.3V
3.3V
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
1 1Thursday, August 30, 2018
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
1 1Thursday, August 30, 2018
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
1 1Thursday, August 30, 2018
ADDR=GND, 0x88
ADDR=VDD, 0x8A
Body 无人时低电平， 检测到人体运动会有高电平脉冲。软件要下降沿触发中断。
20180830
R9 100R R0402R9 100R R0402
R2
47K
R0402
R2
47K
R0402
R6
47K
R0402
R6
47K
R0402
T2T2
O_OT
12
VDD
14
COMP_IN
11
GND
1
A1N_IN
5
NC
2
A1P_IN
4
REF_OUT
10
A2_OUT
9
T_OUT
13
DRAIN
3
A2N_IN
8
A1_OUT
6
A2P_DI
7
U2
BD9251FV
SSOP14
U2
BD9251FV
SSOP14
C2
1uF
C0402
C2
1uF
C0402
T6T6
T3T3
C6
10uF
C0603
C6
10uF
C0603
1
2 3
B
C
E
Q1
MMBT3904
SOT-23
B
C
E
Q1
MMBT3904
SOT-23
D2
ESD_10pF
R0402
D2
ESD_10pF
R0402
T4T4
1
2
3
4
5
6
CN1
IR_LED
CN1
IR_LED
R11 100R R0402R11 100R R0402
R8 10R
R0402
R8 10R
R0402
C9
1uF
C0402
C9
1uF
C0402
R14 2.2K
R0402
R14 2.2K
R0402
R1 10R
R0402
R1 10R
R0402
R4
8.2M->4.7M
R0402
R4
8.2M->4.7M
R0402
C10
0.1uF
C0402
C10
0.1uF
C0402
C1
1uF->NC
C0402
C1
1uF->NC
C0402
R5
8.2M->4.7M
R0402
R5
8.2M->4.7M
R0402
C7
4.7uF->2.2uF
C0603
C7
4.7uF->2.2uF
C0603
VDD
1
ADDR
2
GND
3
SCL
4
INT
5
SDA
6
U3
OPT3001
<PCB Footprint>
U3
OPT3001
<PCB Footprint>
C4
15n
C0402
C4
15n
C0402
D1
ESD_10pF
R0402
D1
ESD_10pF
R0402
C8
15n
C0402
C8
15n
C0402
C3
1uF
C0402
C3
1uF
C0402
R12
0R
R0402
R12
0R
R0402
12
3
O
G
D
U1
IRA-S210ST01
<PCB Footprint>
O
G
D
U1
IRA-S210ST01
<PCB Footprint>
C5
10uF
C0603
C5
10uF
C0603
R16
47K
R0402
R16
47K
R0402
R13 100R R0402R13 100R R0402
R15
47K
R0402
R15
47K
R0402
D3
ESD_10pF
R0402
D3
ESD_10pF
R0402
R3 220K
R0402
R3 220K
R0402
T5T5
R10 10K/NC
R0402
R10 10K/NC
R0402
D4
ESD_10pF
R0402
D4
ESD_10pF
R0402
R7
10K
R0402
R7
10K
R0402
T1T1