UM0527
Technical description
41/66
Figure 21.
Measurement stages
R155
1k
R158
20R
D23
BAS16
VCC
C84
10nF
GND
R156
47.5k
R157
47.5k
C117
1.5nF
R150
6.8k
GND
C118
1.5nF
R151
6.8k
R50
4.7k
R51
4.7k
VCC
IOUT_1
IOUT_2
PWR_LEV
OUTPUT CURRENT
10
9
8
U28C
LM324
10R
IOUT_1
IOUT_2
120Vac Model
230Vac Model
PWR_LEV
VCC
GND
GND
VCC
R159
20k
R25
100k
GND
GND
VBAT
VCC
BATTERY VOLTAGE
D24
BAS16
AKK_LEV
C63
10uF/50V
1
2
AKK_LEV
VCC
GND
GND
VCC
VBAT
VBAT
R83
200k
R82
200k
R81
200k
R80
200k
OUT_LEV
AC_2
AC_1
INVERTER OUTPUT VOLTAGE
R160
82k
GND
C85
10nF
GND
R161
2.4k
GND
100k
100k
100k
100k
2k
AC_1
AC_2
OUT_LEV
120Vac M
230Vac M
GND
GND
R154
1k
D22
BAS16
VCC
C83
10nF
GND
R21
100k
R22
100k
C115
1.5nF
R23
22k
GND
C116
1.5nF
R24
22k
R100
10k
R101
10k
VCC
INP_LEV
AC_IN1
AC_IN2
INPUT VOLTAGE
R77
750k
R76
750k
R79
750k
R78
750k
R49
2k
12
13
14
U28D
LM324
360k
360k
360k
360k
AC_IN1
AC_IN2
INP_LEV
120Vac Model
230Vac Model
R26 1k
R27
10k
R102
10k
VCC
D46
BAT54
R162
1M
INPUT VOLTAGE PHASE
R103
10k
GND
PHASE
R11710k
GND
VDD
VDD
GND
C7
10uF/35V
C31
100nF
GND
3
2
1
4
11
U28A
LM324
5
6
7
U28B
LM324
GND
PHASE
VCC
GND
GND
VCC
VDD
VDD
R176
2k
GND
GND
GND
VCC