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Li-ion/polymer battery charging from a USB or ADP port

Posted: 14 Oct 2008     Print Version  Bookmark and Share

Keywords:USB  ADP port  charging current  Li-ion  polymer 

AnalogicTech's AAT3681 evaluation board demonstrates single-cell Li-ion/polymer battery charging from either a USB or ADP port. AnalogicTech's AAT3681 precisely regulates battery charge voltage and current for 4.2V (4.375V option) Li-ion/polymer battery cells. This device operates at an input voltage range from 4V to 6.5V. The charging current can be set up to 300mA by an external resistor. This document describes the evaluation board and the value for the set resistor.

View the PDF document for more information.

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