MAX11080 Datasheet, PDF (10/27 Pages) Maxim Integrated Products – 12-Channel, High-Voltage Battery-Pack Fault Monitor

12-Channel, High-Voltage Battery-Pack
Fault Monitor
MODULE
MODULE
N+1
N+1
CELL STACK GND REFERENCE
MODULE-_(N+1)
FUSE
R_DCIN
5kΩ
BUS BAR
C_DCIN
0.1µF
SMCJ70
C_HV
1µF
D_PROT
80V
6V
MODULE+_(N)
CELL 8
CELL 7
CELL 6
CELL 5
CELL 4
CELL 3
CELL 2
CELL 1
MODULE-_(N)
BUS BAR
R9
C8
R8
R7
C7
R6
C6
R5
C5
R4
C4
R3
C3
R2
C2
C1
LOCAL
GROUND
HV
C12
DCIN
VDD_U
C11
ALRM_U
GND_U
C10
C9 ^MAX11080 _CP+
C8
CP-
V_AA
C7
C6
ALRM_L
C5
SHDN
C_DD
1µF
5.6V
6V
GND_U GND_U
GND_U
C_P
0.01µF
100V
C_A
1µF
6V
C4
C3
C2
C1
C0
AGND
OVSEL3
OVSEL2
OVSEL1
OVSEL0
UVSEL2
UVSEL1
UVSEL0
TOPSEL
CD
C_DLY
15nF TO 16.5µF CERAMIC CAP
MODULE
N-1
CELL STACK
R2–R9 = 10kΩ
C1–C8 = 0.1µF/80V
MODULE
N-1
GND_U TAKEOFF
R2_DC
20kΩ
R1_DC
150kΩ
C3_DC
3.3nF
630V
DAISY-CHAIN BUS
TO UPPER MODULES
SHDN
MODULE
N+1
ALRM_L
GND_U
R_SHD2
20kΩ
R_SHD
200kΩ
V_AA
ISOLATOR
AND
CONTROL
INTERFACE
JUMPER BANK
Figure 4. Application Circuit Diagram for an 8-Cell System
10 ______________________________________________________________________________________