12-Channel, High-Voltage Battery-Pack

Fault Monitor

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9

MAX11080

AGND

CD

HV

DCIN

3.3nF

630V

1

µF

6V

20k

Ω

5k

Ω

0.1

µF

80V

15nF TO 16.5

µF CERAMIC CAP

1

µF

6V

0.01

µF

100V

5.6V

SMCJ70

FUSE

C12

R11

C10

CELL 10

BUS BAR

BUS BAR

C11

C10

C9

R10

C9

CELL 9

C8

R9

C8

CELL 8

C7

R8

C7

CELL 7

C6

R7

C6

CELL 6

C5

R6

C5

CELL 5

C4

R5

C4

CELL 4

C3

R4

C3

CELL 3

C2

R3

C2

CELL 2

C1

R2

C1

CELL 1

C0

MODULE

N+1

CELL STACK

MODULE

N+1

GND REFERENCE

MODULE

N-1

CELL STACK

MODULE

N-1

LOCAL

GROUND

150k

Ω

20k

Ω

200k

Ω

SHDN

CP+

CP-

1

µF

6V

OVSEL3

OVSEL2

OVSEL1

OVSEL0

UVSEL2

UVSEL1

UVSEL0

TOPSEL

SHDN

DAISY-CHAIN BUS

TO UPPER MODULES

MODULE

N+1

ISOLATOR

AND

CONTROL

INTERFACE

JUMPER BANK

R2–R11 = 10k

Ω

C1–C10 = 0.1

µF/80V

Figure 3. Application Circuit Diagram for a 10-Cell System