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Welcome to HOW2POWER • This power electronics portal is your first stop for information on all aspects of power conversion. It features the HOW2POWER Design Guide, an article search tool; the How2Power Today Newsletter (our monthly magazine); the Consultants Corner directory; the Power Magnetics section; the Power Around the Web links directory; and the extensive Industry Events section. Get a quick introduction to HOW2POWER at About Us. David G. Morrison - Editor of HOW2POWER.com - Contact David

The HOW2POWER Design Guide

Use this tool to search for articles, videos, application notes and other source materials on power conversion and power management topics.

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WHAT IS THE HOW2POWER DESIGN GUIDE?
It’s a search tool that offers convenient access to hundreds of articles on power conversion and power management topics. The Design Guide search results include exclusive article summaries and "how to" analysis to speed your search for information related to power supply and power system design.

HOW2POWER TODAY NEWSLETTER

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.

Watch a video about the HOW2POWER TODAY newsletter.

In the Sep issue of HOW2POWER TODAY:

» Optimizing Regulator Output Capacitance (Part 2): Using Load Slammers

» Dynamic Torque Measurements Reveal True Electric Machine Characteristics

» The Engineer’s Guide To EMI In DC-DC Converters (Part 6): Mitigation Techniques Using Discrete FET Designs

» Focus On Magnetics:
Optimizing Transformer Winding Design For Max Efficiency Over Output Current Range

» Spotlight On Safety & Compliance:
Isolation Standards Say Little About Isolator Performance

» New Power Products

» Other Top Power News

and more…

From the Editors Desk (Sep Newsletter)

Designers have multiple reasons for optimizing the transient response of their on-board power converters and voltage regulators. But lately cost, which is always an issue, has come to the fore as key players in the supply chain have driven up the price of capacitors, particularly conductive polymer aluminum solid electrolytic capacitors and high-value multilayer ceramic caps, which find use in voltage regulator circuits. As David Baretich, observed in part 1 of his article on “Optimizing Regulator Output Capacitance,” the rising component cost is making it… Read more»

Advice To Power Supply Designers (Part 1): Beware The Needy Semiconductor Vendor

by P.S. Wacher, Semiconductor Industry Veteran

Due to the market pressures, U.S. power supply design engineers have aggressive schedules and project deadlines while operating with limited personnel. Therefore it's logical to expect that these customers are now less likely to freely allocate their time to component vendors that do not offer them a compelling advantage/service to support their objectives. In this two-part article series, the author—a longtime industry professional—discusses why companies (and their engineers) need to be careful in determining which semiconductor vendors they meet with and how much time they spend with them. Here in part 1, he explains how engineers can identify the “needy” semiconductor vendor that wastes the customer’s time and offers little beyond low price. While cost pressures may give these vendors a foot-in-the-door with customers, there are serious risks to working with them as the author explains. Read the full story »

SiC & GaN
POWER TECHNOLOGY

This section brings you news of Silicon Carbide and Gallium Nitride developments along with related design information, supplier data, book reviews, and technology roadmaps.

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SPECIAL SERIES
A PRACTICAL PRIMER
ON MOTOR DRIVES

If you’re looking for a practical introduction to the field of motor drives, Ken Johnson’s extensive series explains the basics of all aspects of motor drive operation. This overview aims to fill in the gaps in other sources.

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POWER MAGNETICS

Sponsored by
Payton Planar Magnetics
The Global Source for Environmentally Friendly Planar & Conventional Magnetics

Read about techniques for designing magnetic components such as inductors and transformers for power electronics applications.

Read about new magnetic components and technologies. Sponsored by Pulse Electronics.

Find a consultant with magnetics design expertise.

Where To Find Custom Power Magnetics For Your Application (A source list of magnetics vendors with details about what they offer.)

Sponsored by
Teledyne LeCroy

POWER INTEGRITY INSIGHTS

The subject of power integrity (PI) concerns the design, analysis and testing of components and systems for the purpose of accurate and reliable delivery of voltage and current from the voltage regulators across power distribution networks (PDNs) to complex and sensitive loads in electronic systems. The challenges of designing modern, high-speed electronic systems are making it increasingly important for engineers to understand PI.

This month: The Relentless Progression Of Power Supply Requirements
by Ken Coffman Read the article »

SPECIAL SERIES
CURRENT-LOOP CONTROL

"Current-Loop Control In Switching Converters," a seven-part article series by Dennis Feucht of Innovatia Laboratories, Cayo, Belize was published in the September 2011 through March 2012 issues of HOW2POWER TODAY.

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VIDEO SERIES
TROUBLESHOOTING
DISTRIBUTED POWER SYSTEMS

In this 8-part video series, Steve Sandler discusses essential concepts, relationships and test methods needed to identify and correct stability, noise and EMI issues in electronic components and systems.

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POWER ELECTRONICS
EDUCATION AND RESEARCH

Graduate programs offering specialized training in power electronics provide new engineers with the educational foundation for working in a range of industries. They also conduct fundamental research paving the way for development of more advanced power semiconductors, power converters, and power systems. The articles in this section provide detailed overviews of power electronics programs around the world.

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POWER AROUND THE WEB

Learn more about the wide array of resources available on other power electronics websites. Here you’ll find descriptions of relevant websites, organized into the following convenient categories: Blogs • Design Notes & Tools • Industry Organizations People • Jobs • Product Guides • Publications.

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POWER SUPPLY EMI ANTHOLOGY

A select list of design-oriented articles and videos discussing electromagnetic interference (EMI) and electromagnetic compliance (EMC) issues as related to power supply design.

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POWER SUPPLY
SAFETY & COMPLIANCE

This section presents articles on Safety & Compliance relevant to both designers and users of power supply products. These articles discuss compliance requirements related to safety, electromagnetic compliance (EMC), energy efficiency, and other areas affecting power supply approvals regionally and globally for diverse applications and markets.

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DC-DC CONVERTERS
FOR SPACE

This section presents information to help designers find rad hard dc-dc converters and voltage regulators for space applications such as satellites and spacecraft. This section covers both fully functional dc-dc converter modules as well as power ICs.

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POWER SUPPLIES FOR
MILITARY & DEFENSE
APPLICATIONS

This section presents information and resources to help designers select and evaluate power supplies for military and defense applications. This section covers both military-grade and COTS power supplies, off the shelf and custom.

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Learn about the unique aspects of the “foremost IEEE conference in the field of electrical and electromechanical energy conversion” and why you’ll want to participate in the upcoming ECCE 2018 in Portland, Oregon. Visit this section»

BOOK REVIEWS

How2Power presents reviews of textbooks on various topics relating to power electronics and power conversion.

Read the Reviews»

HOW2POWER
CONSULTANTS CORNER

Read about the services and skills offered by consultants specializing in power electronics design. As you’ll discover from viewing their entries, these consultants have years of experience in power conversion across a wide range of power levels, applications, and technologies. If you’re a manufacturer who needs help with power system design, these consultants are poised to tackle your most difficult design challenges.

Meet the Consultants»

HOW2POWER BOOKSTORE

In conjunction with the Power Sources Manufacturers Association (PSMA), How2Power offers power supply design and power magnetics design technical publications.

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SPONSOR SHOWCASE

Learn about:

Infineon's product portfolio for BLDC - High voltage and low voltage BLDC.

and more in the showcase videos...