HOW2POWER TODAY brings you in-depth reporting on the latest design techniques for power conversion, new components, and the employment outlook for power electronics engineers.
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In the May issue of HOW2POWER TODAY:
» IGBT With Intrinsic Body Diode Improves Performance Of Single-Ended-Resonant Inverters In Induction Heating Applications
» Video: Troubleshooting Distributed Power Systems: Why Stability Matters
» Semiconductors In The Efficiency Era:
As Applications Emerge, SiC Technology Charts A Growth Path
» Focus On Magnetics:
How To Choose Magnetic Core Size
» Special Report:
Workshop Underscores Importance Of Power Supplies To Burn-in And Test of Latest ICs
» New Power Products
» Industry Events:
Innovation Leaders Roadmap The Future Of Portable Power At Battery Power 2013
» Other Top Power News
» From the Editor's Desk
Despite all that has been written about power supply design, there are many aspects of this work that still rely on the designer’s experience and intuition to complete a task. One example can be found in this month’s Focus on Magnetics column. Here, Dennis Feucht explores the challenge of how to choose the most suitable size for a magnetic core. For all that has been written about magnetics design, core selection still depends on experience rather than a clearly defined process. Summing up the challenge of core sizing as one of relating a maximum design temperature to core power-loss density, Feucht observes “an experienced magnetics designer has an intuition for core size, but that is hardly a basis for a design procedure.” He then walks the reader through an analysis that leads to equations and steps for choosing a core size from the vendors’ offerings. While the magnetics article highlights an aspect of power supply design that could benefit from clarification, another feature aims to clarify some overlooked relationships among key power supply parameters. In his video presentation, “Troubleshooting Distributed Power systems: Why Stability Matters,” Steve Sandler discusses the connections between control-loop stability and other aspects of power supply and system performance. As Sandler demonstrates, poor stability can be the cause of voltage regulator problems such as poor PSRR and system-level issues such as clock jitter. This newsletter also brings you a feature on new IGBTs for inductive heating, Ashok Bindra’s column charting growth in the SiC industry, Kevin Parmenter’s report on the BiTS workshop, a preview of the Battery Power 2013 conference, and more.