Charge/Discharge

Control

10kW

10kW

25kW

25kW

7

–V

+V

25kW

25kW

+

–

INA105

1

3

V = e

2

50

5

6

V = e

1

2

Control

Section

+V

ISO122P

10kW

10kW

15

9

7

8

–V

+V

ISO122P

9

7

8

–V

4

e

49=12V

e =12V

50

e

1 = 12V

e

2 = 12V

10

This Section Repeated 49 Times.

10

1

2

16

15

16

2

1

2

ISO122

SBOS160A – NOVEMBER 1993 – REVISED JANUARY 2015

www.ti.com

Typical Application (continued)

9.2.2 Battery Monitor

Figure 17 provides a means to monitor the cell voltage on a 600-V battery stack by using the battery as a power

source for the isolated voltage.

(Derives Input Power from the Battery.)

Figure 17. Battery Monitor for a 600-V Battery Power System

12

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