The challenge of efficiency in embedded power electronics

Embedded processors are smaller, more powerful, and more power- efficient than ever before, and that is expected to continue. While this is good news for increased capabilities of embedded systems, it can put power supply companies in a bind.

These efficient processors, although they operate at decreased voltages, still demand increasing amounts of electric current to perform a growing number of tasks. This demand for increased current and decreased voltage puts power supply efficiency in the cross hairs.

"In a lot of these applications they need more power because they want to do more things; this calls for higher current," says Tom Curatolo, director of global defense and aerospace business at Vicor Corp. in Andover, Mass.

"The problem is now your current requirements on your load is going up substantially," which can compromise device efficiency," says Monty Pyle, vice president of sales and marketing at VPT Inc. in Blacksburg, Va.

The design challenges to today's embedded systems power supply companies do not end there. As it is for so many aspects of electronics today, systems designers are demanding the highest level possible of small size, weight, power consumption, and cost (SWaP-C).

"Size, weight, and reliability are very critical," points out Dennis Kelemen, administrator of the power supply division of Pico Electronics Inc. in Pelham, N.Y.

"The only thing that doesn't go up is the size of the platform," says Christophe Massenet, vice president of business development for the U.S. operations of Gaia Converter in Bordeaux, France. "Our equipment needs to be smaller, and the power density needs to go up."


COMPANY INFO

Absopulse Electronics

www.absopulse.com
Aeroflex Inc.
www.aeroflex.com
AJ's Power Source Inc.
www.ajpower.com
Analytic Systems
analyticsystems.com
Astrodyne Inc.
www.astrodyne.com
Behlman Electronics Inc.
www.behlmanpower.com
Comdel Inc.
www.comdel.com
ConTech
www.contech-us.com
CUI Inc.
www.cui.com
DRS Pivotal Power
www.drspowersolutions.com
Electromech Inc.
http://electromechinc.com
Energy Technologies Inc.
www.ruggedsystems.com
Falcon Electric Inc.
www.falconups.com
Gaia Converter Inc.
www.gaia-converter.com
HiTek Power Ltd.
www.hitekpower.com
International Rectifier
www.irf.com
Interpoint, a Crane Co.
www.interpoint.com
ITT Exelis Power Solutions
www.exelisinc.com/capabilities/Power-Systems
Kepco Inc.
www.kepcopower.com
Martek Power Abbott
www.martekpower.com
MS Kennedy Corp.
www.mskennedy.com
Murata Power Solutions Inc.
www.murata-ps.com
North Atlantic Industries
www.naii.com
Parvus, a Curtiss-Wright Company
www.parvus.com
Pduke Technology Inc.
www.pduke.com
Pico Electronics Inc.
www.picoelectronics.com
Pioneer Magnetics
www.pioneermag.com
Powerstax plc
www.powerstaxplc.com
Rantec Power Systems
www.rantec.com
Schaefer Inc.
www.schaeferpower.com
Solitron Devices, Inc.
www.solitrondevices.com
SynQor
www.synqor.com
TDK-Lambda Americas Inc.
www.tdk-lambda.com
Teledyne Microelectronics
www.teledynemicro.com
Tracewell Systems
www.tracewellsystems.com
Transistor Devices Inc. (TDI Power)
http://tdipower.com/
UltraVolt Inc.
www.ultravolt.com
Unipower LLC
www.unipowerco.com
Vicor Corp.
www.vicr.com
Vishay Intertechnology Inc.
www.vishay.com
VPT Inc.
www.vpt-inc.com
XP Power
www.xppower.com



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