MAX17047/MAX17050
ModelGauge m3 Fuel Gauge
SYSTEM
BATTERY PACK
PK+
V
TT
(MAX17047 ONLY)
V
BATT
OPTIONAL
200kI
OPTIONAL
5kI
ALRT
SDA
SCL
THRM
THERMISTOR
MEASUREMENT OPTIONAL
OPTIONAL
10kI
HOST
µP
MAX17047
MAX17050
AIN
T
REG
OPTIONAL
CSP
EP
CSN
10kI
NTC
THERMISTOR
OPTIONAL
10nF
PROTECTION IC
0.1µF
0.1µF
10mI
RSNS
PK-
Figure 5. Typical Operating Circuit
BATTERY PACK
CELL N
SYSTEM
PK+
4.5V-5.5V
REGULATOR
N-1
mI
OPTIONAL
200kI
OPTIONAL
5kI
V
TT
CELL 1
MAX9910
ALRT
SDA
SCL
100I
3.3nF
47kI
V
BATT
HOST
µP
THRM
0.1µF
MAX17047
PK-
1mI
OPTIONAL
PK-
10kI
T
AIN
OPTIONAL
10k NTC
THERMISTOR
VB
CSP
0.1µF
EP CSN
10mI
OPTIONAL
10nF
PK-
SYSTEM
GROUND
Figure 6. Multicell Application Circuit
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
