Automated Environment Aware nW FOCV - MPPT controller for Self-Powered IoT application

Rajendran, M K and Kansal, S and Mantha, A and Priya, V and Priyamvada, Y and Dutta, Asudeb (2016) Automated Environment Aware nW FOCV - MPPT controller for Self-Powered IoT application. In: IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS). IEEE International Symposium on Circuits and Systems . IEEE, pp. 1818-1821. ISBN 978-1-4799-5341-7

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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 x 0.425mm area and an average power of 340nW.

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IITH Creators:
IITH CreatorsORCiD
Dutta, AsudebUNSPECIFIED
Item Type: Book Section
Uncontrolled Keywords: Micro Scale Energy Harvesting; MPPT; FOCV; Sample and Hold
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 16 Jan 2017 06:00
Last Modified: 11 Sep 2017 09:06
URI: http://raiith.iith.ac.in/id/eprint/2997
Publisher URL:
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