Overview







Fuel Gauge



DATA SHEETS
Part Number Description Key Advantages
MAX17043, MAX17044 Compact, Low-Cost 1S/2S Fuel Gauges with Low-Battery Alert

Designed to save space and lengthen battery life; eliminates need for sense resistor.
DS2745 Low-Cost I²C Battery Monitor

Reports accurate battery measurements to reduce interruptions.
DS2782 Stand-Alone Fuel Gauge IC

Provides improved battery status reporting by storing custom cell parameters.
DS2780 Stand-Alone Fuel Gauge IC

Reports accurate battery measurements to reduce interruptions.



Key Specifications:

Battery Protectors, Selectors and Monitors
Part Number Functions Battery Type Interface User Data Storage
(Bytes)
Parameters Measured VSUPPLY
(V)
VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max max w/pins
MAX17043  Fuel Gauge 1 Cell Li-Ion 2-Wire -
State of Charge
Voltage
2.5 4.5
TDFN-EP/8
UCSP(R)/9
2.7 -40 to +85
MAX17044  2 Cell Li-Ion 2-Wire -
State of Charge
Voltage
4.5
TDFN-EP/8
UCSP(R)/9
2.7
DS2745 
1 Cell Li-Ion
3-Cell NiMH
2-Wire -
Current
Temperature
Voltage
5.5
µMAX/8
15.6
DS2782  1-2 Cell Li-Ion 2-Wire 40 EEPROM
Current
Temperature
Voltage
5.5
TDFN/10
TSSOP/8
11.3
DS2780  1-2 Cell Li-Ion 1-Wire 40 EEPROM
Current
Temperature
Voltage
5.5
TDFN/10
TSSOP/8
11.3
See All Battery Protectors, Selectors and Monitors (34)





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