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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 VSUPPLY
(V)
VSUPPLY
(V)
Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max max w/pins
DS2786B  Fuel Gauge 1 Cell Li-Ion 2-Wire 32 EEPROM
Current
Temperature
Voltage
- 2.5 4.5
TDFN-EP/10
10 -40 to +85
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
TDFN/14
15
DS2786  Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire 32 EEPROM
Current
Temperature
Voltage
- 2.5 5.5
TDFN-EP/10
TDFN/10
10
DS2746  Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire -
Current
Voltage
- 2.5 5.5
TDFN-EP/10
10
DS2756  Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
1-Wire
8 SRAM
96 EEPROM
Current
Temperature
Voltage
- 3 5.5
TSSOP/8
20
DS2745  Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire -
Current
Temperature
Voltage
- 2.5 5.5
µMAX/8
16
DS2782  Fuel Gauge 1-2 Cell Li-Ion 2-Wire 40 EEPROM
Current
Temperature
Voltage
- 2.5 5.5
TDFN/10
TSSOP/8
11
DS2780  Fuel Gauge 1-2 Cell Li-Ion 1-Wire 40 EEPROM
Current
Temperature
Voltage
- 2.5 5.5
TDFN/10
TSSOP/8
11
See All Battery Protectors, Selectors and Monitors (25)



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