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Maxim > Solutions > Cellular Handsets

Battery Fuel Gauges: Integrated

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Standalone OCV-Based Fuel Gauge
DS2786B

2-Wire Standalone Fuel Gauge Requires No Learn Cycle to Provide Initial Capacity Estimate or Maintain Accuracy During Use; Now Optimized for Smartphones with Push-Mail Feature
QV  PDF 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
DS2784

Built-In, Coulomb-Counting FuelPack™ Algorithm; Li+ Protector Uses High-Side, n-Channel FET
QV  PDF Stand-Alone OCV-Based Fuel Gauge
DS2786

Handset or Pack Implementation; Has Built-In, Open-Cell Voltage (OCV) Based Fuel-Gauge Algorithm
QV  PDF Low-Cost, 2-Wire Battery Monitor with Ratiometric A/D Inputs
DS2746

Handset or Pack Implementation; Data-Acquisition Front-End for OCV- and Coulomb-Counting-Based Fuel-Gauge Algorithm
QV  PDF High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode
DS2756

Accurate Data-Acquisition Front-End for Coulomb-Counting-Based Fuel-Gauge Algorithm; 96 Bytes of User EEPROM
QV  PDF Low-Cost I²C Battery Monitor
DS2745

Data-Acquisition Front-End for Coulomb-Counting-Based Fuel-Gauge Algorithm
QV  PDF Stand-Alone Fuel Gauge IC
DS2782

2-wire stand-alone fuel-gauge IC calculates remaining battery capacity and simplifies software development
QV  PDF Stand-Alone Fuel Gauge IC
DS2780

Built-In, Coulomb-Counting FuelPack™ Fuel-Gauge Algorithm



Key Specifications:   Battery Protectors, Selectors and Monitors
Part Number Functions Battery Type Interface User Data Storage (bytes) Parameters Measured Battery Protection Supply Voltage (min) (V) Supply Voltage (max) (V) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2784 
Fuel Gauge
Protector
1 Cell Li-Ion 1-Wire 16 EEPROM Current
Temperature
Time
Voltage
Over Voltage
Over-Current
Over-Temperature
Over/Under Voltage
2.5 4.6
Digital Current Accumulation
Internal MOSFET Drivers
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/14 16 -40 to +85
DS2746 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Voltage
 -  2.5 5.5
Digital Current Accumulation
Ratiometric Voltage Inputs
TDFN/10 10 -40 to +85
DS2756 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
1-Wire 8 SRAM
96 EEPROM
Current
Temperature
Voltage
 -  3 5.5
Digital Current Accumulation
One-Shot Mode
Suspend Mode
Unique ID
TSSOP/8 14 -40 to +85
DS2745 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
uSOP/8 16 -40 to +85
DS2782 
Fuel Gauge
1/2 Cell Li-Ion 2-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/10
TSSOP/8
13 -40 to +85
DS2780 
Fuel Gauge
1/2 Cell Li-Ion 1-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/10
TSSOP/8
13 -40 to +85
See All Battery Protectors, Selectors and Monitors (21)



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