Broadcom
- 12 -
ACPL-32JT, ACPL-C87AT
User Guide
M652 Driver Board: Bus Voltage Sensing
VDD1
1
VIN+
2
SD
3
GND1
4
GND2
5
VOUT-
6
VOUT+
7
VDD2
8
VDD1
VIN+
SD
GND1 GND2
VOUT-
VOUT+
VDD2
U7
ACPL-C87AT
20K
R152
20K
R153
20K
R155
20K
R154
1uF
C143
R146
2K 0.1%
R145
200K 0.1%
1
V-
4
3
2
5
6
7
V+
8
U31
OPA2171AIDR
R144
200K 0.1%
R143
200K 0.1%
R142
200K 0.1%
R147
2K 0.1%
1uF
C151
2K
R157
10K
R156
0.1uF
C155
1nF
C152
0.1uF
C154
39R
R148
10nF
C144
1nF
C153
ELU
C
C142
10uF
VCC2LU
GND1
GND1
GND1
GND1
GND1 GND1
VSO
10R
R141
10R
R151
DC5
GND
2
OUT
3
VIN
1
U21
NCV8664ST50T3G
C141
0.1uF
ELU
R158
0R
GND1
NM
R159
ELU
ELU
ELU
ELU
10R
R168
DC5
