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  • ISSN: PendingSpecial Report - Automotive ElectronicsDesign Tips Design Tips

    E m p o w e r i n g G l o b a l I n n o v a t i o n J u l y / A u g u s t 2 0 0 9

  • Viewpoint Too Good to Fail By Cliff Keys, Editor-in-Chief, PSDNA ............................................................................................................................. 2

    Industry NewsAmerican Semiconductor Receives Cable Order ............................................................................................................................................ 4

    APEC Calls for Participation in February 2010 Conference ............................................................................................................................ 4

    Digi-Key Announces Expansion of Distribution Agreement with GE Sensing & Inspection Technologies ..................................................... 6

    Argonnes Lithium-Ion Battery Technology to be Commercialized by BASF .................................................................................................. 6

    Linears New UltraFast Digitally Programmable 5A LDO ............................................................................................................................. 7

    Power Electronics in Automotive Design, By Paul Greenland, Semtech Corporation .................................................................................... 8

    Key Trends Offer Hope to Depressed Automotive Suppliers, By Jon Cropley, IMS Research ..................................................................... 10

    Design Tips Frequency Response of Switching Power Supplies- Part 4, By Dr. Ray Ridley, Ridley Engineering ............................................................ 12

    XP Power Moves Ahead in Medical, Reported by Cliff Keys, Editor-in-Chief, PSDNA ................................................................................... 15TSMC Powers Forward with R&D, Reported by Cliff Keys, Editor-in-Chief, PSDNA ..................................................................................... 17

    Cover Story Integrated HB LEDs in Automobile Systems, By Piero Bianco, Maxim Integrated Products ...................................................................... 19

    Flyback Converters Synchronous Rectification in Flyback Converters, By Yong Ang, Mike Townson and Adrian Wong, Diodes Incorported ........................... 24

    Special Report: Automotive Electronics Powering Automotive, By Jan Michael Weickhmann, Vacuumschmelze ...................................................................................................... 28

    Rugged and Reliable Motor Drive Solutions, By Henning Hauenstein, International Rectifier ..................................................................... 31

    Automotive Rollover Stability, By Vinod Cherian, The MathWorks ............................................................................................................... 35

    Virtual Prototyping with Simulation for Complex HEV Applications, By David Smith Synopsys .................................................................. 38

    Automotive Optocouplers, Andy Poh, Leong Yik Loong and Roy Tan, Avago Technologies ....................................................................... 41

    Automotive Infotainment LCD-TFT Panel, By Jeff Gruetter, Linear Technology ........................................................................................... 44

    New Products: Web Exclusive Content Go to: www.powersystemsdesign.com

    Are We Really Serious? Reported by Cliff Keys, Editor-in-Chief, PSDNA ..................................................................................................... 48

    Dilbert 48

    Power Systems Design North America Advisory Board

    MemberMartin Gross Len Crane Kevin Parmenter Adam White

    RepresentingABB Power SystemsCoilcraftFreescale SemiconductorInternational Rectifier

    MemberPeter Oaklander Tony Armstrong Mike Noonen Paul Greenland

    RepresentingIntersilLinear TechnologyNXP SemiconductorsSemtech

    http://www.linear.com/dcdcsolutions

  • Power Systems Design North America July/August 2009

    Despite the current uncertainty in the auto industry, we have a huge crop of contributions from our power industry in this issue. The need for automobiles, like all products, falls in recession, but the need for differentiation goes on. The huge and increasing volume of power electronics in vehicles, even conventionally powered cars, is still rising. With the regulatory and environmental requirements for cleaner and leaner designs and the advent of HEVs and electric vehicles, this requirement will not die.

    Of course, we are all painfully aware that at the moment, business is suffering on many fronts; times are hard, shareholders need to be pleased, spreadsheets satisfied and as a result, many talented people have been let go. Short term fixes such as these are widespread.

    But this often spurs those same innovative and creative engineers to deploy their valuable skills in a more productive way; to utilize their outstanding engineering talents to develop designs for the good of the environment and its people in smaller, more responsible companies, design consultancies and start-ups, rather than just to satisfy corporate investors. There are more and more examples of this to be found within our industry and, naturally, within our magazine.

    I hope you enjoy this issue, please

    keep your feedback coming, check out the expanded online content and dont forget to chuckle at our fun-strip, Dilbert, at the back of the magazine.

    All the best!

    Editor-in-Chief, PSDNACliff.Keys@powersystemsdesign.com

    Welcome to this very full Automotive-themed issue of Power Systems Design North America, featuring a full print issue and even more to be found online on our website.

    Certainly, we have already seen many changes in this industry, particularly here in the US where controversy surrounds the future of this once-proud industry, which I believe will spring back to its former glory. Its just too important to be allowed to fail.

    When a US federal judge in the GM bankruptcy case approved the sale of the troubled automakers assets to a new GM he said that it was the only available means to preserve the continuation of the companys business.

    US taxpayers now own 60% of the new GM, with other stakes held by Canadian governments, bondholders and the United Auto Workers union. Customers will be the top priority with the focus on value and the deployment of environmental technology.

    A successful and swift move through bankruptcy was crucial to GMs restructuring and a key test of the Obama administrations efforts to rescue GM and Chrysler. Chryslers bankruptcy was approved on June 1, just hours before GM entered Chapter 11.

    Too Good to Fail

    Registration of copyright: January 2004ISSN number: Pending

    AGS Media Group and Power Systems Design North America magazine assume and hereby disclaim any liability to any person for any loss or damage by errorsor omis-sions in the material contained hereinregardless of whether such errors result fromnegligence, accidentor any other cause whatsoever.

    Send address changes to:circulation@powersystemsdesign.com

    Free Magazine Subscription, go to: www.powersystemsdesign.com

    Volume 1, Issue 4

    AGS Media Group146 Charles Street

    Annapolis, Maryland 21401 USA Tel: +410-295-0177 Fax: +510-217-3608 www.powersystemsdesign.com

    Editorial Director, Power Systems Design China, Europe & North America Editor-in-Chief, Power Systems Design Europe & North America

    Cliff Keyscliff.keys@powersystemsdesign.com

    Contributing EditorsLiu HongEditor-in-Chief, Power Systems Design China

    powersdc@126.com

    Ash Sharma, IMS Researchash.sharma@imsresearch.com

    Dr. Ray Ridley, Ridley EngineeringRRidley@ridleyengineering.com

    Publishing DirectorJim Graham

    jim.graham@powersystemsdesign.com

    PublisherJulia Stocks

    julia.stocks@powersystemsdesign.com

    Circulation ManagementKathryn PhillipsKathryn.phillips@powersystemsdesign.com

    Research DirectorMeghan Cornealmeghan.corneal@powersystemsdesign.com

    Magazine DesignBeata Rasmus, Eyemotive beata@eyemotive.com

    Production ManagerAbby Wangabbyw@action-new.net

    VIEWPOINT

    http://www.semtech.com/psd0109p

  • INDUSTRY NEWS

    Power Systems Design North America July/August 2009

    lines Carrying Renewable Electricity Across the U.S.A. Out of Sight and Out of Harms Way. This paper de-tails the benefits of direct current (DC) superconductor cables for long-haul transmission of renewable energy.

    A significant challenge facing the U.S. in the near term will be carrying 100s of gigawatts of green power from the countrys rural heartlands to urban load centers. Plans for in-terstate 765kV overhead power lines requiring 400- to 600-foot-wide rights of way are being considered. Placed underground in existing rights-of-way, Superconductor Electricity Pipelines could carry this same amount of power in a three-foot pipe. Supercon-ductor Electricity Pipelines are much

    more efficient, cost competitive and, with the ability to leverage existing rights of way, are easier to site.

    To request a free copy of the white paper, visit www.amsc.com/powerpipes. To view an animation of the benefits of Superconductor Electricity Pipelines, visit http://www.amsc.com/products/applications/utilities/superconductorpipeline.html.

    American Superconductor Corporation (AMSC) an-nounced that LS Cable Ltd. (LS Cable) has ordered ap-proximately 80,000 meters (50 miles) of type 344 supercon-ductors, AMSCs proprietary brand