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This paper presents a BRC technique to speed up the charging time of the Li-Ion battery. Based on the physical properties of the battery cell, the charger circuit charges the cell with three stages, which are trickle current (TC), constant current (CC), and constant voltage (CV) stages. Due to the internal parasitic resistance of the Li-Ion battery pack system, the charger circuit switches from the...
In this paper, the compensation of internal resistance of the Li-Ion battery is proposed. The requirement of fast and steady charger becomes the most important issue for power management ICs. Refer to the characteristics of the battery, how to charge the battery with adequate current and fasten the time of charging is critical to the devisers. Due to the impedance of battery pack, the energy of charger...
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