NDLI: Battery-assisted and photovoltaic-sourced switched-inductor CMOS harvesting charger-supply

Content Provider	IEEE Xplore Digital Library
Author	Prabha, R.D. Rincon-Mora, G.A.
Copyright Year	2013
Description	Author affiliation: Georgia Inst. of Technol., Atlanta, GA, USA (Prabha, R.D.; Rincon-Mora, G.A.)
Abstract	A challenge wireless microsensors and other microsystems face is short lifetime, because tiny batteries store little energy. Fortunately, the environment holds vast amounts of energy, and of available sources, like light, motion, temperature, and radiation, solar light produces the highest power density. Still, micro-scale photovoltaic (PV) cells harness a diminutive fraction of light and artificial lighting avails a small percentage of what solar light can, which means the PV cell needs assistance from a battery. Mixing PV and battery power to supply a microwatt system, however, requires a smart and low-loss circuit. For that, the battery-assisted pulse-width-modulated (PWM) buck-boost single-inductor 0.18-μm CMOS harvester-supply proposed and simulated here uses up to 100 μW from a PV cell to supply up to 1 mA and regulate 1 V within 25 mV at 10-80 kHz and with 77%-89% efficiency.
Starting Page	253
Ending Page	256
File Size	832066
Page Count	4
File Format	PDF
ISBN	9781467357609
ISSN	02714302
e-ISBN	9781467357623
DOI	10.1109/ISCAS.2013.6571830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Batteries Photovoltaic systems Inductors Switches Wireless sensor networks Wireless communication SIMIMO Harvester photovoltaic (PV) microsystem switched-inductor supply switching converter SIMO
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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