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Maxim > Solutions > Battery Management

Fuel Gauges: 1 Li+ cell battery packs (< 4.4V battery voltage)

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the DS2746
DS2746K

QV  PDF Current Monitor and Accumulator with Integrated Sense Resistor
DS2741

High-Side Current Sensing Allows Detection of Downstream Failure and Avoids Ground Disturbance
QV  PDF 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
DS2784

Industry's First Complete Fuel Gauge Solution to Integrate a 1-Cell Li+ Protector and SHA-1 Authentication System
QV  PDF Low-Cost, 2-Wire Battery Monitor with Ratiometric A/D Inputs
DS2746

2-Wire Fuel Gauge Measures Battery Current and Voltage and Includes Ratiometric Voltage Inputs that Can Be Used to Sample Thermistor, Pack ID, or Another Voltage Source
QV  PDF High-Accuracy Battery Fuel Gauge with Programmable Suspend Mode
DS2756

Provides Key Hardware Components Required to Accurately Estimate Remaining Capacity by Integrating Low-Power Precision Measurements of Temperature, Voltage, Current, Current Accumulation, and Nonvolatile Data Storage
QV  PDF Low-Cost I²C Battery Monitor
DS2745

Low-cost battery fuel gauge that monitors current, voltage, and temperature
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 High-Precision Li+ Battery Monitor with 2-Wire Interface
DS2764

2-wire battery monitor integrates single-cell protector
QV  PDF Stand-Alone Fuel Gauge IC
DS2780

Stand-Alone Fuel-Gauge IC Calculates Remaining Battery Capacity and Simplifies Software Development
QV  PDF High-Precision Li+ Battery Monitor with Alerts
DS2762

1-Wire Battery Monitor Integrates Single-Cell Protector and Alerts System when Current or Temperature Exceeds User-Defined Limits
QV  PDF High-Precision Coulomb Counter
DS2740

High-Precision Battery Fuel Gauge Costs Less than $1.00 Ideal for Handheld Products



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) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2741 
Fuel Gauge
1 Cell Li-Ion 2-Wire  -  Current
Temperature
Time
 -  2.5 4.5 See Data Sheet  -  -20 to +70
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 16 -40 to +85
DS2746 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Voltage
 -  2.5 5.5 TDFN-EP/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 TSSOP/8 20 -40 to +85
DS2745 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire  -  Current
Temperature
Voltage
 -  2.5 5.5 µMAX/8 16 -40 to +85
DS2782 
Fuel Gauge
1-2 Cell Li-Ion 2-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5 TDFN/10
TSSOP/8
13 -40 to +85
DS2764 
Fuel Gauge
Protector
1 Cell Li-Ion 2-Wire 40 EEPROM Current
Temperature
Voltage
Over-Current
Over/Under Voltage
2.5 5.5 TSSOP/16 33 -40 to +85
DS2780 
Fuel Gauge
1-2 Cell Li-Ion 1-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 5.5 TDFN/10
TSSOP/8
13 -40 to +85
DS2762 
Fuel Gauge
Protector
Status Monitor
1 Cell Li-Ion 1-Wire 16 SRAM
32 EEPROM
Current
Temperature
Voltage
Over-Current
Over/Under Voltage
2.5 5.5 FCHIP/12
TSSOP/16
7 -40 to +85
DS2740 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
1-Wire  -  Current  -  2.7 5.5 µMAX/8 16 -40 to +85
See All Battery Protectors, Selectors and Monitors (26)


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