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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.
PRIMARY MARKET Power supply design engineers
SECONDARY MARKET Power engineering graduate students
Chapter 1: The Principles of Switching Power Conversion Chapter 2: DC-DC Converter Design and Magnetics Chapter 3: Off-line Converter Design and Magnetics Chapter 4: The Topology FAQ Chapter 5: Conduction and Switching Losses Chapter 6: Printed Circuit Board Layout Chapter 7: Feedback Loop analysis and Stability Chapter 8: EMI from the Ground U—Maxwell to CISPR Chapter 9: Measurements and Limits of Conducted EMI Chapter 10: Practical EMI Line Filters Chapter 11: DM and CM Noise in Switching Power Supplies
Chapter 12: Fixing EMI across the Board
Chapter 13: Input Capacitor and Stability Considerations in EMI Filters
Chapter 14: The Math behind the Electromagnetic Puzzle
Appendix 1: Focusing on Some Real-world Issues
Appendix 2: Reference Design Table
- No. of pages:
- © Newnes 2006
- 22nd June 2006
- eBook ISBN:
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.
CTO and Co-Founder, Chargedge, CA, USA
"I am a jump-up-and-cheer! fan of [Sanjaya’s] work. He is one of those few engineers who can give you the intensive math-based theory of power supply design and component selection, practical tips and techniques based on years of hands on experience… and entertaining anecdotes and personal observations -- all in the same readable, well-illustrated package." - Stephan Ohr, Planet Analog
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