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DS2780 - Standalone Fuel Gauge

Description

The DS2780 measures voltage, temperature and current, and estimates available capacity for rechargeable Lithium Ion and Lithium Ion Polymer batteries.

Cell characteristics and application parameters used in the calculations are stored in onchip EEPROM.

Features

  • 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/.

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Full PDF Text Transcription

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www.DataSheet4U.com DS2780 Stand-Alone Fuel Gauge IC www.maxim-ic.com GENERAL DESCRIPTION The DS2780 measures voltage, temperature and current, and estimates available capacity for rechargeable Lithium Ion and Lithium Ion Polymer batteries. Cell characteristics and application parameters used in the calculations are stored in onchip EEPROM. The available capacity registers report a conservative estimate of the amount of charge that can be removed given the current temperature, discharge rate, stored charge and application parameters. Capacity estimation reported in mAh remaining and percentage of full.
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