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Lithium Battery Charger

2012-09-26 Posted by:circuit Source:Internet Visits: Comment () Size:L M S

Summary:This battery charger circuit is used for rechargable lithium battery. Charging is accomplished with a constant current of 60 mA for AA cells to a cutoff of 2.4V per cell, at which point the charge must be terminated. The charging system sho

This battery charger circuit is used for rechargable lithium battery.

Lithium Battery Charger circuit

Charging is accomplished with a constant current of 60 mA for AA cells to a cutoff of 2.4V per cell, at which point the charge must be terminated. The charging system shown is designed for multi-cell battery pack of 2 to 6 series connected cell or series/paralel arrangements. It is essential that all cells assembled in the pack are at an identical state-of-charge (voltage) before charging. the maximum upper cut-off voltage is 15.6V (6×2.6V). ICL7665 is a voltage monitor with dual over/undervoltage detection.


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