research-article

Analysis of buck converters for on-chip integration with a dual supply voltage microprocessor

Authors:

Volkan Kursun,

Siva G. Narendra,

Vivek K. De,

Eby G. FriedmanAuthors Info & Claims

IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Volume 11, Issue 3

Pages 514 - 522

https://doi.org/10.1109/TVLSI.2003.812289

Published: 01 June 2003 Publication History

Abstract

An analysis of an on-chip buck converter is presented in this paper. A high switching frequency is the key design parameter that simuiltaneously permits monolithic integration and high efficiency. A model of the parasitic impedances of a buck converter is developed. With this model, a design space is determined that allows integration of active and passive devices on the same die for a target technology. An efficiency of 88.4% at a switching frequency of 477 MHz is demonstrated for a voltage convers on from 1.2-0.9 volts while supplying 9.5 A average current. The area occupied by the buck converter is 12.6 mm² assuming an 80-nm CMOS technology. An estimate of the efficiency is shown to be within 2.4% of simulatior at the target design point. Full integration of a high-efficiency buck converter on the same die with a dual-V_DD microprocessor is demonstrated to be feasible.

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Cited By

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Yan CGan ZSalman E(2017)Package-embedded spiral inductor characterization with application to switching buck convertersMicroelectronics Journal10.1016/j.mejo.2017.05.01666:C(41-47)Online publication date: 1-Aug-2017
https://dl.acm.org/doi/10.1016/j.mejo.2017.05.016
Yu WUzun OKöse S(2015)Leveraging on-chip voltage regulators as a countermeasure against side-channel attacksProceedings of the 52nd Annual Design Automation Conference10.1145/2744769.2744866(1-6)Online publication date: 7-Jun-2015
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(2015)Energy efficient adaptive clustering of on-chip power delivery systemsIntegration, the VLSI Journal10.1016/j.vlsi.2014.06.00348:C(1-9)Online publication date: 1-Jan-2015
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Index Terms

Analysis of buck converters for on-chip integration with a dual supply voltage microprocessor
1. Hardware

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cover image IEEE Transactions on Very Large Scale Integration (VLSI) Systems

IEEE Transactions on Very Large Scale Integration (VLSI) Systems Volume 11, Issue 3

Special section on the 2001 international conference on computer design (ICCD)

June 2003

223 pages

ISSN:1063-8210

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IEEE Educational Activities Department

United States

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Published: 01 June 2003

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Yan CGan ZSalman E(2017)Package-embedded spiral inductor characterization with application to switching buck convertersMicroelectronics Journal10.1016/j.mejo.2017.05.01666:C(41-47)Online publication date: 1-Aug-2017
https://dl.acm.org/doi/10.1016/j.mejo.2017.05.016
Yu WUzun OKöse S(2015)Leveraging on-chip voltage regulators as a countermeasure against side-channel attacksProceedings of the 52nd Annual Design Automation Conference10.1145/2744769.2744866(1-6)Online publication date: 7-Jun-2015
https://dl.acm.org/doi/10.1145/2744769.2744866
(2015)Energy efficient adaptive clustering of on-chip power delivery systemsIntegration, the VLSI Journal10.1016/j.vlsi.2014.06.00348:C(1-9)Online publication date: 1-Jan-2015
https://dl.acm.org/doi/10.1016/j.vlsi.2014.06.003
Zeng ZLai SLi P(2013)IC power deliveryACM Transactions on Design Automation of Electronic Systems10.1145/2442087.244210018:2(1-21)Online publication date: 11-Apr-2013
https://dl.acm.org/doi/10.1145/2442087.2442100
Köse STam SPinzon SMcDermott BFriedman E(2013)Active filter-based hybrid on-chip DC-DC converter for point-of-load voltage regulationIEEE Transactions on Very Large Scale Integration (VLSI) Systems10.1109/TVLSI.2012.219053921:4(680-691)Online publication date: 1-Apr-2013
https://dl.acm.org/doi/10.1109/TVLSI.2012.2190539
Li PHu A(2012)Design analysis of IC power deliveryProceedings of the International Conference on Computer-Aided Design10.1145/2429384.2429528(664-666)Online publication date: 5-Nov-2012
https://dl.acm.org/doi/10.1145/2429384.2429528
Kose SFriedman EBahar RLombardi FAtienza DBrunvand E(2010)On-chip point-of-load voltage regulator for distributed power suppliesProceedings of the 20th symposium on Great lakes symposium on VLSI10.1145/1785481.1785568(377-380)Online publication date: 16-May-2010
https://dl.acm.org/doi/10.1145/1785481.1785568
Bonizzoni EBorghetti FMalcovati PMaloberti F(2010)A 200-mA, 93% peak power efficiency, single-inductor, dual-output DC---DC buck converterAnalog Integrated Circuits and Signal Processing10.1007/s10470-009-9330-x62:2(121-129)Online publication date: 1-Feb-2010
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Sun JGiuliano DDevarajan SLu JChow TGutmann R(2009)Fully monolithic cellular buck converter design for 3-D power deliveryIEEE Transactions on Very Large Scale Integration (VLSI) Systems10.1109/TVLSI.2008.200531217:3(447-451)Online publication date: 1-Mar-2009
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Long CReddy SPamarti SHe LKarnik TNebel WStan MRaghunathan AHenkel JMarculescu D(2006)Power-efficient pulse width modulation DC/DC converters with zero voltage switching controlProceedings of the 2006 international symposium on Low power electronics and design10.1145/1165573.1165650(326-329)Online publication date: 4-Oct-2006
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