Automated environment aware nW FOCV ? MPPT controller for self-powered IoT applications

Rajendran, M K and Kansal, S and Mantha, A and V, Priya and Y B, Priyamvada and Dutta, Asudeb (2016) Automated environment aware nW FOCV ? MPPT controller for self-powered IoT applications. In: IEEE International Symposium on Circuits and Systems (ISCAS), 22-25 May 2016.

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Abstract

This paper presents, a complete energy harvesting system with improved implementation of Fractional Open Circuit Voltage (FOCV) technique, to mitigate obligation of using off chip sampling capacitor, gratuitous periodic open circuit operation for Maximum Power Point Extraction (MPP) from solar cell. A possible solution to minimize the reverse current in solar cell due to abrupt decline in irradiance is also proposed. Thus, usual off-chip sampling capacitance can be effectively replaced by on-chip capacitance as low as 3.75pF. Entire system is implemented in 180nm CMOS technology and the proposed blocks consumes 0.675mm × 0.425mm area and an average power of 340nW.

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IITH Creators:
IITH CreatorsORCiD
Dutta, AsudebUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Photovoltaic cells, System-on-chip, Clocks, Sun, Energy harvesting, Capacitance, Lighting
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 08 Sep 2016 09:07
Last Modified: 11 Sep 2017 09:17
URI: http://raiith.iith.ac.in/id/eprint/2733
Publisher URL: https://doi.org/10.1109/ISCAS.2016.7538923
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