Multiple battery charger with automatic charge current adjustment
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United States of America Patent
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Issued Date -
Jun 21, 2012
app pub date -
Dec 21, 2010
filing date -
Dec 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods using the same to achieve a multiple battery charger with automatic charge current adjustment have been disclosed. The invention maintains equilibrium of charge levels during charge and discharge between all of the multiple batteries. For each battery a charger block comprising a unidirectional means and a current source for charging is assigned. The on-resistance of each charger block is automatically splitting the charge current available to the various batteries thus maintaining an equilibrium of charge levels of the batteries, i.e. supporting the battery with the lowest charge level with the highest charge current until equilibrium is reached.
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