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Fuel Gauges: 2, 3, and 4 Series Li+ Battery Packs (> 5V Battery Voltage)



DATA SHEETS
Part Number Description Key Advantages
MAX1789, MAX17892 Advanced, Smart Battery-Pack Controllers

Industry's Smallest SBS-Compliant Battery Fuel Gauge with nFET Protection Drivers
DS2775, DS2776, DS2777, DS2778 2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with Protector and Optional SHA-1 Authentication

Industry's Smallest 2-Cell, Stand-Alone Fuel Gauge to Integrate an Li+ Protector and SHA-1 Authentication
DS2788 Stand-Alone Fuel-Gauge IC with LED Display Drivers

The Industry's Smallest Stand-Alone Fuel Gauge That Integrates LED Display Drivers and a Pushbutton Input for Multiple Li+ Batteries
DS2781 1-Cell or 2-Cell Stand-Alone Fuel Gauge IC

Complete Fuel Gauge IC for Accurate Remaining Battery Capacity Readings for 1- or 2-Cell Applications



Key Specifications:

Battery Protectors, Selectors and Monitors
Part Number Functions Battery Type Interface User Data Storage
(Bytes)
Parameters Measured Battery Protection VSUPPLY
(V)
VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max max w/pins
DS2775 
Fuel Gauge
Protector
Status Monitor
2 Cell Li-Ion 1-Wire 16 EEPROM
Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over/Under Voltage
4 9.2
TDFN/14
15 -20 to +70
DS2776 
Fuel Gauge
Protector
Status Monitor
2 Cell Li-Ion 1-Wire 16 EEPROM
Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over/Under Voltage
4 9.2
TDFN/14
15 -20 to +70
DS2777 
Fuel Gauge
Protector
Status Monitor
2 Cell Li-Ion 2-Wire 16 EEPROM
Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over/Under Voltage
4 9.2
TDFN/14
15 -20 to +70
DS2778 
Fuel Gauge
Protector
Status Monitor
2 Cell Li-Ion 2-Wire 16 EEPROM
Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over/Under Voltage
4 9.2
TDFN/14
15 -20 to +70
DS2788  Fuel Gauge 1-10 Cell Li-Ion 1-Wire 16 EEPROM
Current
Temperature
Voltage
- 2.5 5.5
TSSOP/14
33.4 -40 to +85
DS2781  Fuel Gauge 1-2 Cell Li-Ion 1-Wire 40 EEPROM
Current
Temperature
Voltage
- 2.5 10
TDFN/10
TSSOP/8
11.3 -40 to +85
See All Battery Protectors, Selectors and Monitors (34)





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