Dear Electronics Marketer,

February 25 through March 1 is APEC , the premier event for practicing power electronics professionals. I am looking forward to an exhilarating week.

The February issue of Power Electronics Technology will be the official APEC issue. As you kick off your marketing program in 2007, a presence in this issue assures that you will reach a loyal audience of over 36,000 design engineers AND the key design engineers attending the conference.  Power Electronics Technology  will be distributed in a handy carry all bag to thousands of attendees at the conference and neighboring hotels. Advertisers will be offered the chance  to drop a literature piece or DVD into this bag. With all of the choices of exhibits, your literature piece will capture the attention  your customer at the crucial moment they are visiting booths. This offer is limited to ten sponsors at a nominal charge, so contact me quickly if you wish to participate.

Additionally, every one of our readers and attendee s of APEC will also receive a gift - the first ever Power IC's Wall Chart. Although many chip vendors offer product trees that help customers search for power management products, such trees are always limited to the functions they offer. In contrast, this simple chart developed by the PSMA offers engineers a global perspective on product availability, showing designers the full range of power IC functions that is available across the entire industry. Moreover, the chart visually shows how the different power IC categories are functionally related which further helps engineers to understand their design options. Until now, nothing like this existed and designers, especially younger engineers, could only acquire this knowledge of the industry through many hours of research. Engineers love wall charts. Because nothing like this existed previously, we are sure that this Power ICs Wall Chart, produced on luxury stock, will be a working tool for years to come. Engineers are likely to personalize this chart, adding their own notes in the margins about their favorite vendors. As a sponsor, every time an engineer refers to the chart or glances at the wall, it offers you the chance to build your brand and relay your message.

This chart will also be posted online and as a sponsor, you get an additional year's worth of online exposure. This exclusive opportunity is only available to four sponsors, so please contact me quickly for details!

Happy New Year, and I hope to see many of you next month in  Disneyland!

Best Regards,

Judy Miller
Associate Publisher
212-204-4246

Power Semiconductors:
Bipolar Power Switch Generates 200-A, 75-V Transients
A common problem in testing power circuits in general and power-supply ICs in particular is the need for switches capable of generating the transients and handling the large current and voltage impulses required. Such switches must be capable of connecting to a variety of circuit topologies, depending on the type of power supply under test and its application. In this feature, the authors present a versatile switch circuit that is versatile enough to perform most power-supply transient tests.

Motor Power Management:
Dual Motor Control In Energy-Efficient Appliances
Many appliances require speed control of two permanent magnet (PM) synchronous motors to meet the energy efficiency targets. In these applications, sensorless control is an essential requirement because of mechanical restrictions and the desire for improved reliability. In this article, the author discusses a sinusoidal sensorless algorithm using feedback from a single inverter shunt that simplifies control circuitry and minimizes acoustic noise generation. Moreover, he explains how a single digital IC can effectively control both PM motors and power factor correction.

Lighting Power Management:
Using 8-bit Embedded Microcontrollers in Digital Light Ballast and Power-Factor-Correction Designs
Light-ballast design engineers continue to require higher resolution, with better linear frequency control between 40 kHz and 120 kHz to provide enough voltage across the electrodes to turn these fluorescent lamps on. This software frequency control can also be used to implement dimmable features in light ballast designs. In this article, the author discusses how the 40 kHz and 120 kHz input frequencies can easily be controlled and configured by the software running inside an 8-bit embedded controller. He also describes how a combination of embedded software and various integrated hardware peripherals make 8-bit microcontrollers well suited for light-ballast applications.

Due to manufacturing costs, fin patterns have been traditionally designed as 2D profiles having linear fin spacing. However, newer manufacturing processes such as Advanced Molding Technology allow complete and economical customization of each individual fin's shape and spacing within the fin array. In this article, the author presents a series of thermal comparisons will show how coldplate surfaces progress from round tube to non-linear fin arrays for better thermal performance for a specified 3-chip IGBT module dissipating 1 kW of heat.

Spotlight on Magnetics:
A round up of recently introduced inductors and transformers for power supply applications highlights recent developments in power magnetics.

Imagine having 30 years of Power Electronics Technology magazine at your fingertips! Now you can in one DVD with the History of Power Electronics!
Presenting the first-ever, historical look back at the last thirty years in the power electronics industry. This ground breaking DVD is a searchable database of articles and issue covers dating back to the launch of our magazine in 1975, then called Solid-State Power Conversion. Designed as a research tool for electronics engineers, the DVD offers you the evolution of the industry at your fingertips!

To order online, click here and fill out the online order form, or click here for a pdf.
Sponsored by
National Semiconductor

Using the power of our print content, we’ve redesigned PowerElectronics.com to offer electronics professionals a quick and easy-to-use resource for the latest information on the topics they need to know about. Our new Web site features a database of searchable articles on Discrete Semis, Power Management, Motor Power Management, Passives/Packaging, Thermal Management and Power Systems.

As an advertiser, PowerElectronics.com offers you new sponsorship opportunities to increase your company’s exposure, build brand awareness, and drive traffic to your company’s Web site. The new platform offers users and advertisers a superior site experience – greater search capabilities, detailed reporting of site usage and more flexible branding opportunities. Click here for more online marketing opportunities.

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