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DS2786

Maxim Integrated Products
Part Number DS2786
Manufacturer Maxim Integrated Products
Description Standalone OCV-Based Fuel Gauge
Published Jul 21, 2007
Detailed Description 19-4637; 5/09 www.maxim-ic.com GENERAL DESCRIPTION The DS2786 estimates available capacity for rechargeable Li-Ion and L...
Datasheet PDF File DS2786 PDF File

DS2786
DS2786

Overview
19-4637; 5/09 www.
maxim-ic.
com GENERAL DESCRIPTION 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.
This capability makes accurate capacity information available immediately after a battery pack is inserted.
During periods of moderate to high rate discharging, which preclude OCV measurements, the DS2786 uses coulomb counting as a secondary means of estimating relative capacity.
Remaining capacity is reported in percent, along with cell voltage, current...


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