DS2788

PRODUCTION

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

Data Sheet (Rev. 2) Product Selection Table
Part Models
2
1ku List Price
Starting From $4.96
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Part Details

  • Five 30mA Open-Drain Drivers for Driving LED Fuel-Gauge Display
  • Debounced Fuel-Gauge Display Enable
  • Internal Voltage Measurement Gain Register for Trimming External Voltage-Divider
  • Pin for Driving FETs to Enable Voltage-Divider Only During Voltage Measurement, Conserving Power
  • Precision Voltage, Temperature, and Current Measurement System
  • Accurate, Temperature-Stable, Internal Time Base
  • Absolute and Relative Capacity Estimated from Coulomb Count, Discharge Rate, Temperature, and Battery Cell Characteristics
  • Accurate Warning of Low Battery Conditions
  • Automatic Backup of Coulomb Count and Age Estimation to Nonvolatile (NV) EEPROM
  • Gain and Tempco Calibration Allows the Use of Low-Cost Sense Resistors
  • 24-Byte Battery/Application Parameter EEPROM
  • 16-Byte User EEPROM
  • Unique ID and Multidrop 1-Wire® Interface
  • 14-Pin TSSOP Package
DS2788
Stand-Alone Fuel-Gauge IC with LED Display Drivers
DS2788 measures voltage, temperature, and current, and estimates available capacity for rechargeable lithium-ion (Li+) and Li+ polymer batteries | Typical Operating Circuit
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Data Sheet 1

Reliability Data 1

Design Note 1

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