Switching regulator with dynamically adjustable supply voltage for low power VLSI

被引：13

作者：

Dhar, S ^{[1
]}

Maksimovic, D ^{[1
]}

机构：

[1] Univ Colorado, Dept Elect & Comp Engn, Colorado Power Elect Ctr, Boulder, CO 80309 USA

来源：

IECON'01: 27TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-3 | 2001年

关键词：

D O I：

10.1109/IECON.2001.975576

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

The paper describes a switching regulator system for adaptive voltage scaling (AVS) where the supply voltage to a digital VLSI chip is dynamically adjusted to the minimum value required for the desired system speed. The control loop includes a variable-frequency Watkins-Johnson switching DC-DC converter and a model of the critical path delay of the application. Simple bang-bang control of the critical path delay allows fast transient response to step changes in speed, and stable operation over a very wide range of system clock frequencies. A chip including the AN'S controller and a small digital application has been fabricated in a standard CMOS process. Experimental results demonstrate operation over the application clock frequency range from 10 kHz to 20 MHz, and a 12 mus transient response for a step change in speed from standby to maximum throughput operation.

引用

页码：1874 / 1879

页数：2

共 12 条

[1] A dynamic voltage scaled microprocessor system
Burd, TD
Pering, TA
Stratakos, AJ
Brodersen, RW
[J]. IEEE JOURNAL OF SOLID-STATE CIRCUITS, 2000, 35 (11) : 1571 - 1580
[2] Chandrakasan A, 1996, 1996 INTERNATIONAL SYMPOSIUM ON LOW POWER ELECTRONICS AND DESIGN - DIGEST OF TECHNICAL PAPERS, P347, DOI 10.1109/LPE.1996.547537
[3] LOW-POWER CMOS DIGITAL DESIGN
CHANDRAKASAN, AP
SHENG, S
BRODERSEN, RW
[J]. IEEE JOURNAL OF SOLID-STATE CIRCUITS, 1992, 27 (04) : 473 - 484
[4] Low-power digital filtering using multiple voltage distribution and adaptive voltage scaling
Dhar, S
Maksimovic, D
[J]. ISLPED '00: PROCEEDINGS OF THE 2000 INTERNATIONAL SYMPOSIUM ON LOW POWER ELECTRONICS AND DESIGN, 2000, : 207 - 209
[5] Erickson R., 2000, FUNDAMENTALS POWER E
[6] An efficient controller for variable supply-voltage low power processing
Gutnik, V
Chandrakasan, A
[J]. 1996 SYMPOSIUM ON VLSI CIRCUITS - DIGEST OF TECHNICAL PAPERS, 1996, : 158 - 159
[7] GUTNIK V, 1997, IEEE T VLSI SYSTEMS, V5
[8] Variable supply-voltage scheme for low-power high-speed CMOS digital design
Kuroda, T
Suzuki, K
Mita, S
Fujita, T
Yamane, F
Sano, F
Chiba, A
Watanabe, Y
Matsuda, K
Maeda, T
Sakurai, T
Furuyama, T
[J]. IEEE JOURNAL OF SOLID-STATE CIRCUITS, 1998, 33 (03) : 454 - 462
[9] KURODA T, P ISLPED 99, P54
[10] Nielsen L. S., 1994, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, V2, P391, DOI 10.1109/92.335008

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