Switching Power Supplies A - Z
qer 2006 · Elsevier
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The design of Switching Power Supplies has become one of the most crucial aspects of power electronics, particularly in the explosive market for portable devices. Unfortunately, this seemingly simple mechanism is actually one of the most complex and under-estimated processes in Power Electronics. Switching power conversion involves several engineering disciplines: Semiconductor Physics, Thermal Management, Control Loop theory, Magnetics etc, and all these come into play eventually, in ways hard for non-experts to grasp. This book grows out of decades of the author's experience designing commercial power supplies. Although his formal education was in physics, he learned the hard way what it took to succeed in designing power supplies for companies like Siemens and National Semiconductor. His passion for power supplies and his empathy for the practicing or aspiring power conversion engineer is evident on every page.* The most comprehensive study available of the theoretical and practical aspects of controlling and measuring Electromagnetic Interference in switching power supplies, including input filter instability considerations. * Step-by-step and iterative approach for calculating high-frequency losses in forward converter transformers, including Proximity losses based on Dowell's equations.* Thorough, yet uniquely simple design flow-chart for building DC-DC converters and their magnetic components under typical wide-input supply conditions * Step-by-step, solved examples for stabilizing control loops of all three major topologies, using either transconductance or conventional operational amplifiers, and either current-mode or voltage-mode control.
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Sanjaya Maniktala is the author of several power electronics books and currently CTO of his own company, Chargedge. Mr. Maniktala earned several patents in power conversion and power over ethernet, including the floating buck regulator topology and mode transitioning in a buck-boost converter using a constant duty cycle difference technique. He initiated the first unified approach to switching topologies and was also the first to recognize, articulate and apply fundamental power and frequency scaling principles to resonant topologies, which resulted in the world's simplest one-page design methodology for LLC converters. Sanjaya holds degrees in physics from St. Stephen's College Delhi, IIT Bombay and Northwestern University Illinois. Professionally, he has worked in well-known companies such as Freescale, Siemens AG and Broadcom and spent over five years at National Semiconductor (now Texas Instruments) in Santa Clara, California.
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