Charging Lithium Batteries with a Nonstandard Termination Voltage

Abstract: By adding a dual op amp and some other components to a lithium-battery-charger IC, you can adjust the charging voltage to any level within the range for standard lithium batteries (3.6V to 4.2V).
Maxim > Design Support > App Notes > Amplifier and Comparator Circuits > APP 4520
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Keywords: lithium-battery chargers, charge-termination voltage, fast charge, dual op amp

Jul 05, 2011
APPLICATION NOTE 4520
Charging Lithium Batteries with a Nonstandard Termination Voltage
By: Shasta Thomas, Applications Engineer

Abstract: By adding a dual op amp and some other components to a lithium-battery-charger IC, you can adjust the charging voltage
to any level within the range for standard lithium batteries (3.6V to 4.2V).

A similar version of this article appeared in the March 31, 2008 issue of EE Times maga