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http://dx.doi.org/10.7471/ikeee.2015.19.2.201

A Battery Charger Using Photovoltaic Energy Harvesting with MPPT Control  

Yoon, Eun-Jung (Dept. of Electronics Engineering, Incheon National University)
Yang, Min-Jae (Dept. of Electronics Engineering, Incheon National University)
Yu, Chong-Gun (Dept. of Electronics Engineering, Incheon National University)
Publication Information
Journal of IKEEE / v.19, no.2, 2015 , pp. 201-209 More about this Journal
Abstract
This paper describes a battery charger using photovoltaic energy harvesting with MPPT control. The proposed circuit harvests maximum power from a PV(photovoltaic) cell by employing MPPT(Maximum Power Point Tracking) control and charges an external battery with the harvested energy. The charging state of the battery is controlled according to the signals from a battery management circuit. The MPPT control is implemented using linear relationship between the open-circuit voltage of a PV cell and its MPP voltage such that a pilot PV cell can track the MPP of a main PV cell in real time. The proposed circuit is designed in a $0.35{\mu}m$ CMOS process technology and its functionality has been verified through extensive simulations. The maximum efficiency of the designed entire system is 86.2% and the chip area including pads is $1.35mm{\times}1.2mm$.
Keywords
Battery Charger; MPPT; Energy Harvesting; Photovoltaic Energy; DC-DC Boost Converter;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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