DS2786 Datasheet (Maxim Integrated Products) - Standalone OCV-Based Fuel Gauge

DS2786, Standalone OCV-Based Fuel Gauge

The DS2786 estimates available capacity for rechargeable Li-Ion and Li-Ion Polymer batteries based on the cell voltage in the open-circuit state following a relaxation period.

The open-circuit voltage (OCV) is used to determine relative cell capacity based on a lookup table stored in the IC.

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DS2786 Features

* Relative Capacity Calculated from Combination Coulomb Counter and Open- Circuit Cell Voltage (OCV) Battery Model

* Accurate Warning of Low Battery Conditions Even On First Cycle (No Learn Cycle Needed)

* 12-Bit Battery Voltage Measurement: ±10mV Accuracy 1.22mV LSB, 0V to 4.5V Input Ra