Schematic

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SCL_5V
SDA_5V
SCL_5V
SDA_5V
SCL_3V3
SDA_3V3
SCL_3V3
SDA_3V3
+5V
+5V
+5V +3V3
+5V
+3V3
+3V3
+3V3
Title
Size Document Number Rev
Date: Sheet of
OSEPP1100002 1.1
OSEPP Compass Sensor
B
1 1Tuesday, January 10, 2012
Title
Size Document Number Rev
Date: Sheet of
OSEPP1100002 1.1
OSEPP Compass Sensor
B
1 1Tuesday, January 10, 2012
Title
Size Document Number Rev
Date: Sheet of
OSEPP1100002 1.1
OSEPP Compass Sensor
B
1 1Tuesday, January 10, 2012
OSEPP Compass Sensor
Note: Keep SB1 and SB2 open by
default.
Only short SB1 and SB2 if sensor
is not connected to OSEPP I2C
Shield, or if master I2C
controller has no pull up.
Input
Pass Through
OSEPP-COMP-01 (Rev1.1)
R3
200K
C0402
R3
200K
C0402
SB2SB2
JP2
70553-0003
JP2
70553-0003
1
1
2
2
3
3
4
4
R1
2K2
C0402
R1
2K2
C0402
R4
2K2
C0402
R4
2K2
C0402
TP1TP1
TP2TP2
TP5TP5
C1
1UF
C0402
C1
1UF
C0402
C7
0.1UF
C0402
C7
0.1UF
C0402
TP3TP3
C4
4.7UF
C0603
C4
4.7UF
C0603
SB1SB1
JP1
70553-0003
JP1
70553-0003
1
1
2
2
3
3
4
4
TP4TP4
C5
0.22UF
C0402
C5
0.22UF
C0402
R2
2K2
C0402
R2
2K2
C0402
U3
PCA9306-DCTT
U3
PCA9306-DCTT
GND
1
VREF1
2
SCL1
3
SDA1
4
SDA2
5
SCL2
6
VREF2
7
EN
8
U1
LP2985A-33DBVT
U1
LP2985A-33DBVT
VIN
1
GND
2
ON/OFFB
3
BYPASS
4
VOUT
5
C2
2.2UF
C0603
C2
2.2UF
C0603
R5
2K2
C0402
R5
2K2
C0402
C8
4.7UF
C0603
C8
4.7UF
C0603
C3
0.1UF
C0402
C3
0.1UF
C0402
C6
0.1UF
C0402
C6
0.1UF
C0402
U2
HMC5883L-TR
U2
HMC5883L-TR
SCL
1
VDD
2
NC1
3
S1
4
NC2
5
NC3
6
NC4
7
SETP
8
GND2
9
C1
10
GND1
11
SETC
12
VDDIO
13
NC5
14
DRDY
15
SDA
16