Adaptive on-chip power supply with robust one-cycle control technique

Dongsheng Ma, Meiling Wang, Minkyu Song

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this paper, an integrated adaptive-output switching converter is proposed. The design employs a one-cycle control for fast line regulation and a single outer loop for tight load regulation and fine tuning. A switched-capacitor integrator is introduced to the one-cycle control to obtain positive integration with a single positive power supply, allowing a standard low-cost CMOS fabrication process. To improve the efficiency, a dynamic loss control technique is presented. The converter was designed and fabricated with 0.35 μm N-well CMOS process. With a supply voltage of 3 V, a voltage ripple of less than ± 20 mV is measured. The maximum efficiency is 92% with a load power of 475 mW. The converter exhibits a tracking speed of 23.75 μs/V for both start-up and reference voltage transitions. The recovery time for a 20% load change is approximately 9.5 μs.

Original languageEnglish (US)
Article number4595674
Pages (from-to)1240-1243
Number of pages4
JournalIEEE Transactions on Very Large Scale Integration (VLSI) Systems
Volume16
Issue number9
DOIs
StatePublished - Sep 2008

Fingerprint

Electric potential
Capacitors
Tuning
Fabrication
Recovery
Costs

Keywords

  • Adaptive output
  • Dynamic voltage scaling
  • One-cycle control
  • Switching converter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Hardware and Architecture

Cite this

Adaptive on-chip power supply with robust one-cycle control technique. / Ma, Dongsheng; Wang, Meiling; Song, Minkyu.

In: IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Vol. 16, No. 9, 4595674, 09.2008, p. 1240-1243.

Research output: Contribution to journalArticle

@article{9a650f20a5094e0a9a43973ecbd1e6b0,
title = "Adaptive on-chip power supply with robust one-cycle control technique",
abstract = "In this paper, an integrated adaptive-output switching converter is proposed. The design employs a one-cycle control for fast line regulation and a single outer loop for tight load regulation and fine tuning. A switched-capacitor integrator is introduced to the one-cycle control to obtain positive integration with a single positive power supply, allowing a standard low-cost CMOS fabrication process. To improve the efficiency, a dynamic loss control technique is presented. The converter was designed and fabricated with 0.35 μm N-well CMOS process. With a supply voltage of 3 V, a voltage ripple of less than ± 20 mV is measured. The maximum efficiency is 92{\%} with a load power of 475 mW. The converter exhibits a tracking speed of 23.75 μs/V for both start-up and reference voltage transitions. The recovery time for a 20{\%} load change is approximately 9.5 μs.",
keywords = "Adaptive output, Dynamic voltage scaling, One-cycle control, Switching converter",
author = "Dongsheng Ma and Meiling Wang and Minkyu Song",
year = "2008",
month = "9",
doi = "10.1109/TVLSI.2008.2000522",
language = "English (US)",
volume = "16",
pages = "1240--1243",
journal = "IEEE Transactions on Very Large Scale Integration (VLSI) Systems",
issn = "1063-8210",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "9",

}

TY - JOUR

T1 - Adaptive on-chip power supply with robust one-cycle control technique

AU - Ma, Dongsheng

AU - Wang, Meiling

AU - Song, Minkyu

PY - 2008/9

Y1 - 2008/9

N2 - In this paper, an integrated adaptive-output switching converter is proposed. The design employs a one-cycle control for fast line regulation and a single outer loop for tight load regulation and fine tuning. A switched-capacitor integrator is introduced to the one-cycle control to obtain positive integration with a single positive power supply, allowing a standard low-cost CMOS fabrication process. To improve the efficiency, a dynamic loss control technique is presented. The converter was designed and fabricated with 0.35 μm N-well CMOS process. With a supply voltage of 3 V, a voltage ripple of less than ± 20 mV is measured. The maximum efficiency is 92% with a load power of 475 mW. The converter exhibits a tracking speed of 23.75 μs/V for both start-up and reference voltage transitions. The recovery time for a 20% load change is approximately 9.5 μs.

AB - In this paper, an integrated adaptive-output switching converter is proposed. The design employs a one-cycle control for fast line regulation and a single outer loop for tight load regulation and fine tuning. A switched-capacitor integrator is introduced to the one-cycle control to obtain positive integration with a single positive power supply, allowing a standard low-cost CMOS fabrication process. To improve the efficiency, a dynamic loss control technique is presented. The converter was designed and fabricated with 0.35 μm N-well CMOS process. With a supply voltage of 3 V, a voltage ripple of less than ± 20 mV is measured. The maximum efficiency is 92% with a load power of 475 mW. The converter exhibits a tracking speed of 23.75 μs/V for both start-up and reference voltage transitions. The recovery time for a 20% load change is approximately 9.5 μs.

KW - Adaptive output

KW - Dynamic voltage scaling

KW - One-cycle control

KW - Switching converter

UR - http://www.scopus.com/inward/record.url?scp=50549096860&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=50549096860&partnerID=8YFLogxK

U2 - 10.1109/TVLSI.2008.2000522

DO - 10.1109/TVLSI.2008.2000522

M3 - Article

VL - 16

SP - 1240

EP - 1243

JO - IEEE Transactions on Very Large Scale Integration (VLSI) Systems

JF - IEEE Transactions on Very Large Scale Integration (VLSI) Systems

SN - 1063-8210

IS - 9

M1 - 4595674

ER -