NDLI: A system approach to energy management

Content Provider	IEEE Xplore Digital Library
Author	Monticelli, D.
Copyright Year	2004
Abstract	The accumulation of popular features in portable products such as mobile handsets is driving battery life to unacceptably low levels. Substantial change will not come from incremental improvements in voltage regulator efficiency or battery chemistry, but rather from rethinking the paradigm of power consumption vs power delivery. This paper proposes that the delivery and consumption of power be considered a system, whereby power supply voltages are dynamically sized to the computational task of the moment. The closed-loop approach chosen is automatically adaptive to variations in the fabrication process and temperature resulting in optimal use of the limited energy within the battery. Test results reported on an embedded image processor reveal a 25% to 63% reduction in power at the 0.18 um process node relative to conventional power management approaches.
Sponsorship	VLSI Soc. of India Minist. of Inf. and Commun. Technol., Gov. of India IEEE Electron Devices Soc. IEEE Circuits and Syst. Soc. Tata Consultancy Services Texas Instruments Inc. Nat. Semiconductor Intel Synopsys Cypress Semiconductor Corp. Infineon Technol. Cadence Conexant
File Size	222666
File Format	PDF
ISBN	0769520723
DOI	10.1109/ICVD.2004.1260951
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-01-09
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy management Batteries Voltage Mobile handsets Regulators Chemistry Energy consumption Power supplies Fabrication Temperature
Content Type	Text
Resource Type	Article

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