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Maxim > Solutions > Battery Management

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

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Stand-Alone Fuel-Gauge IC with LED Display Drivers
DS2788

The Industry’s Smallest Stand-Alone Fuel Gauge That Integrates LED Display Drivers and a Pushbutton Input for Multiple Li+ Batteries
QV    Advanced Smart Battery-Pack Controller
MAX1782

QV    Advanced Smart Battery-Pack Controller
MAX1781

Advanced Smart Battery-Pack Controller Integrates a User-Programmable Microcontroller Core, a Coulomb-Counting Fuel Gauge, a Multichannel Data-Acquisition Unit, and an SMBus™ V1.1-Compliant Master/Slave SMBus Interface
QV  PDF 1-Cell or 2-Cell Stand-Alone Fuel Gauge IC
DS2781

Complete Fuel Gauge IC for Accurate Remaining Battery Capacity Readings for 1- or 2-Cell Applications
QV    Advanced Smart Battery Pack Controller
MAX1780

MAX1780 Advanced Battery Pack Is a Smart Battery Pack Supervisor That Integrates a User-Programmable Microcontroller Core, Coulomb Counting Fuel Gauge, and Primary Pack Protector



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)
DS2788 
Fuel Gauge
1-10 Cell Li-Ion 1-Wire 16 EEPROM Current
Temperature
Voltage
 -  2.5 5.5
Digital Current Accumulation
External MOSFET Drivers
Integrated LED Drivers
On-chip Remaining Capacity Algorithms
Unique ID
TSSOP/14 33 -40 to +85
DS2781 
Fuel Gauge
1/2 Cell Li-Ion 1-Wire 40 EEPROM Current
Temperature
Voltage
 -  2.5 10
Digital Current Accumulation
On-chip Remaining Capacity Algorithms
Unique ID
TDFN/10
TSSOP/8
13 -40 to +85
MAX1780 
Fuel Gauge
Protector
Status Monitor
2-4 Cell Li-Ion SMBus 2K Internal Memory/Up to 64K External Memory Current
Temperature
Time
Voltage
Over-Current
Over/Under Voltage
3.5 28
3.3V LDO
Digital Current Accumulation
Internal MOSFET Drivers
LQFP/48 83 -40 to +85
See All Battery Protectors, Selectors and Monitors (21)



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