DocumentCode
2867320
Title
Minimum Energy Tracking Loop with Embedded DC-DC Converter Delivering Voltages down to 250mV in 65nm CMOS
Author
Ramadass, Yogesh K. ; Chandrakasan, Anatha P.
Author_Institution
Massachusetts Inst. of Technol., Cambridge, MA
fYear
2007
fDate
11-15 Feb. 2007
Firstpage
64
Lastpage
587
Abstract
An energy minimization loop, with on-chip energy sensor circuitry, that can dynamically track the minimum energy operating voltage of a digital circuit with changing workload and operating conditions occupies 0.05mm2 in 65nm CMOS. The DC-DC converter that enables this minimum energy operation can deliver load voltages as low as 250mV and achieved an efficiency >80% while delivering load powers of the order of 1 pW and higher from a 1.2V supply
Keywords
CMOS digital integrated circuits; DC-DC power convertors; embedded systems; 1 pW; 1.2 V; 250 mV; 65 nm; DC-DC converter; digital circuit; energy minimization loop; energy tracking loop; Battery charge measurement; CMOS technology; Clocks; Current measurement; DC-DC power converters; Digital circuits; Frequency estimation; Power measurement; Tracking loops; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location
San Francisco, CA
ISSN
0193-6530
Print_ISBN
1-4244-0853-9
Electronic_ISBN
0193-6530
Type
conf
DOI
10.1109/ISSCC.2007.373589
Filename
4242266
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