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| TROUBLESHOOTING SWITCHING POWER CONVERTERS
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A Hands-on Guide
To order this title, and for more information, click here
By
Sanjaya Maniktala, Principal Engineer, National Semiconductor, Santa Clara, CA, USA
Description
Power Supply design is all about detail. And a large part of that detail lies in the practical domain, largely because of the typically
small number of microseconds of switching periods involved, and the even smaller tens of nanoseconds of switch transition times --- all
these, in effect accentuating various "second-order" effects, that eventually end up playing prime havoc with "normal" expectations of
how the circuit should behave. So not unsurprisingly, even after reading several books, most readers still find themselves no closer
to the ultimate goal of designing an actual power supply.
Sooner or later, all engineers start realizing the hard fact that designing
a switching power supply isn't the trivial task it once seemed to be. But even after years of successfully mastering the underlying theory,
the ultimate goal of creating a cost-effective, reliable and commercially viable power supply may still remain a distant dream, since
success ultimately hinges on experience. That is, in fact, what clearly differentiates a senior and seasoned power supply engineer from
the others --- the ability to navigate and surmount a veritable minefield of tricky issues that can only be learned the hard way, by
actual hands-on experience on the job.
This book presents practical knowledge the author acquired rather painfully, while working
"in the trenches" for several years in major engineering companies scattered across several continents. This is intended to be the mythical
senior engineer's "bag of tricks," finally made available in the form of an easy-to-read book on your shelf. This book will make life
for the ambitious power supply engineer much simpler --- besides reducing significantly, the rigorous requirement of having to be a senior
engineer's protege for years on end, just to gain a small measure of real success in this field.
Audience
Power supply design engineers.
Contents
The practical relationship between efficiency and duty cycle; Understanding datasheets and selecting the right components; Power IC bench
evaluation and Selection; Proper PCB layout Practices; Practical buck converters; The Forward Converter; Practical boost converters;
The PFC boost pre-regulator; Practical buck-boost converters; The off-line Flyback converter; Bench setup and grounding issues; Lab Instrumentation;
General Measurements and Troubleshooting Techniques; Specific Troubleshooting Scenarios: High Output ripple and noise, Poor Load transient
response, Poor Output voltage regulation, Start-up problems, Unwanted and Desirable Jitter, Alternate Cycle Instabilities, Loop compensation
issues, Catastrophic Blow-ups, Output foldback or shutdown, Improperly set Current limit issues, Short circuit, Over-voltage, Short-term
and Long-term Thermal failures, Mysterious System Shutdowns, Magnetic saturation failures, Safety issues, Troubleshooting EMI, Line surge
test failures, ESD related failures, Acoustic noise issues and techniques to circumvent, Mechanical failures, Diagnosing Low efficiency,
Poor reliability and Stress testing, Vibration Testing, Burn-in/HAST/HALT/Overstress/DRT Tests, Design for Manufacturability issues;
Sample Component Datasheets; Choosing the Right Inductor for your Application; 5 years of reported problems; Reference Tables and Graphs
for Quick Design and Validation.
| Bibliographic details |
Hardbound, 320 pages, publication date: AUG-2007
ISBN-13: 978-0-7506-8421-7
ISBN-10: 0-7506-8421-6
Imprint: NEWNES
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| Price and Ordering |
Price:
EUR 53.95
USD 73.95
GBP 46
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Last update: 5 Sep 2009
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