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On-chip digital power supply control for system-on-chip applications

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3 Author(s)
M. Meijer ; Philips Res. Labs., Eindhoven, Netherlands ; J. P. de Gyvez ; R. Otten

The authors presented an on-chip, fully-digital, power-supply control system. The scheme consists of two independent control loops that regulate power supply variations due to semiconductor process spread, temperature, and chip's workload. Smart power-switches working as linear voltage regulators are used to adjust the local power supply. The smart power-switch allows us to keep the global power network unchanged. It offers an integrated standby mode and has a fast dynamic response, i.e. low transition times between voltage steps at the cost of the reduced power conversion efficiency when compared to complex DC-DC converters.

Published in:

ISLPED '05. Proceedings of the 2005 International Symposium on Low Power Electronics and Design, 2005.

Date of Conference:

8-10 Aug. 2005