UM2209
Schematic
diagrams
DocID030568 Rev 1
11/17
3
Schematic diagrams
Figure 6: Schematic diagram (1 of 2)
Vc
c
s
u
p
p
ly
G
ND
_
DEC
ISO
_
IN8
ISO
_
IN7
ISO
_
IN6
ISO
_
IN5
ISO
_
IN4
ISO
_
IN3
ISO
_
IN2
ISO
_
IN1
ISO
_
L
O
AD
ISO
_
SYNC
ISO
_
O
UT
EN
G
ND
_
DEC
Vc
c
s
u
p
p
ly
ISO
_
IN8
ISO
_
IN7
ISO
_
IN6
ISO
_
IN5
ISO
_
IN4
ISO
_
IN3
ISO
_
IN2
ISO
_
IN1
ISO
_
L
O
AD
ISO
_
SYNC
ISO
_
O
UT
EN
G
ND
_
DEC
Vc
c
s
u
p
p
ly
ISO
_
IN8
ISO
_
IN7
ISO
_
IN6
ISO
_
IN5
ISO
_
IN4
ISO
_
IN3
ISO
_
IN
ISO
_
IN1
ISO
_
L
O
AD
ISO
_
SYNC
ISO
_
O
UT
EN
3
v
3
3
v
3
R29
4
k
7
R24
8
k
2
C16
1
0
p
F/
6
.3
V
22nF/50V
C22
R18
47k
C10
1
0
p
F/
6
.3
V
D1
1
R35
47k
R25
8
k
2
22nF/50V
C21
U1
ISO
8
2
0
0
BQ
GNDdd
1
NC
2
3
GND1
OUT
8
a
4
OUT
8
b
5
OUT
7
a
6
OUT
7
b
7
OUT
6
a
8
OUT
6
b
9
OUT
5
a
10
OUT
5
b
11
OUT
4
a
12
OUT
4
b
13
OUT
3
a
14
OUT
3
b
15
OUT
2
a
16
OUT
2
b
17
OUT
1
a
18
OUT
1
b
19
V
d
d
20
OUT
EN
21
S
Y
NC
22
L
OAD
23
IN1
24
IN2
25
IN3
26
IN4
27
IN5
28
IN6
29
IN7
30
IN8
31
F
A
UL
T
32
36
TAB Vcc
GND2
33
34
GND3
GND4
35
R19
47k
C1
11
0
p
F/
6
.3
V
C17
1
0
p
F/
6
.3
V
R16
470R
D9
C5
100nF/50V
D8
R26
8
k
2
C20
22nF/50V
R30
4
k
7
47uF/10V
C27
R32
47k
D10
C12
1
0
p
F/
6
.3
V
C26
22nF/50V
C18
1
0
p
F/
6
.3
V
2.2uF/50V MLCC
C7
D7
R27
8
k
2
22nF/50V
C19
R21
8
k
2
22nF/50V
C25
C13
1
0
p
F/
6
.3
V
D4
RED
L
ED
R33
47k
D6
R28
8
k
2
R22
8
k
2
C14
1
0
p
F/
6
.3
V
22nF/50V
C24
R31
47k
C81
0
p
F/
6
.3
V
J5
CO
N8
1
2
3
4
5
6
7
8
D5
D12
R23
8
k
2
C23
22nF/50V
C15
1
0
p
F/
6
.3
V
R20
47k
R17
47k
R34
47k
C9
10pF/
6.3V
220nF/10V
C28
10uF/63V
C6
+