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Low complexity on-chip distributed DC-DC converter for low power WSN nodes

Abstract : Supply voltage scaling has become an important low power technique to reduce the power consumption of sub-nanometer technologies. Instead of supplying same magnitude of Vdd for the whole chip, multi-Vdd and Dynamic Voltage Scaling (DVS) have been advocated for the enhanced power efficiency at the cost of added complexity. In this paper, we present a low area, low power on-chip DC-DC converter suitable for low power Wireless Sensor Network (WSN) nodes. This converter offers the flexibility to perform micro-level DVS for various blocks of the system. Peak efficiency of 90% has been achieved and the proposed DC-DC converter takes utmost delay of 30μs to switch between the different output voltages.
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https://hal.inria.fr/hal-01196987
Contributor : Cédric Killian <>
Submitted on : Thursday, September 10, 2015 - 6:02:44 PM
Last modification on : Friday, July 10, 2020 - 4:03:02 PM

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Rengarajan Ragavan, Cédric Killian, Olivier Sentieys. Low complexity on-chip distributed DC-DC converter for low power WSN nodes. NEWCAS 2015 - New Circuits and Systems Conference, Jun 2015, Grenoble, France. pp.4, ⟨10.1109/NEWCAS.2015.7182118⟩. ⟨hal-01196987⟩

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