Datasheet

8
®
ISO122
FIGURE 4. Optional π Filter to Minimize Power Supply Feedthrough Noise; Output Filter to Remove 500kHz Carrier Ripple.
For more information concerning output filter refer to AB-023.
Isolation Barrier
–V
S1
10µH
10µH
10µH
10µH
1µF
1µF1µF1µF
1µF
1µF1µF1µF
±V
S1
V
IN
ISO122
+V
S1
+V
S2
–V
S2
Gnd
13kΩ
13kΩ
100pF
+
–
6
V
OUT
= –V
IN
Gnd
4700pF
385Ω
Charge/Discharge
Control
10kΩ
10kΩ
25kΩ
25kΩ
7
–V+V
25kΩ
25kΩ
+
–
INA105
1
3
V = e
50
2
5
6
V = e
1
2
Control
Section
Multiplexer
+V
ISO122P
10kΩ
10kΩ
15
9
7
8
–V
+V
ISO122P
9
7
8
–V
4
e
49
=12V
e
50
=12V
e
1
= 12V
e
2
= 12V
FIGURE 5. Battery Monitor for a 600V Battery Power System. (Derives Input Power from the Battery.)
10
±V
S2
This Section Repeated 49 Times.
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OPA602
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