NDLI: A low power DC-DC converter for scavenged power wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Lam, J. Plett, C.
Copyright Year	2010
Description	Author affiliation: Department of Electronics, Carleton University, Ottawa, Canada (Lam, J.; Plett, C.)
Abstract	This work presents a compact buck converter that is capable of operating without voltage references or a constant input voltage for use in a compact, ultracapacitor based wireless sensor node. This is done through the use of a direct connected topology and a voltage sensor. Measured results show that for an output of 1.2 V for a load of 100 Ohms, a power efficiency ranging from 71.9–84.3% and a current efficiency ranging from 99.5–157.6% is achieved. A similar linear regulator with a current efficiency of 98.3–98.8% was designed and tested. The designs were implemented in a 0.13 um CMOS process, with the linear regulator using 0.033 mm of area and the buck converter using 0.042 $mm^{2}$ of area, achieving comparable or better performance than similar designs with less silicon area.
Starting Page	4081
Ending Page	4084
File Size	638743
Page Count	4
File Format	PDF
ISBN	9781424453085
DOI	10.1109/ISCAS.2010.5537623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-30
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	DC-DC power converters Wireless sensor networks Voltage Buck converters Regulators Supercapacitors Network topology Current measurement Power measurement Testing
Content Type	Text
Resource Type	Article

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