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Special Reports

The DC-DC Boost Converter, Part 3 – Power Supply Design Tutorial Section 5-3

This is the last part of the series dedicated to the boost converter, where we walk through the PCB layout for a medium power boost with a synchronous MOSFET at the output instead of the more traditional output diode. You don't have to read sections 5-1 or 5-2 first to appreciate...

Components & Devices Power Supplies & Energy Storage Special Reports

The DC-DC Boost Converter, Part 2 – Power Supply Design Tutorial Section 5-2

This is a continuation of Section 5-1, and I recommend reading section 5-1 before this one. It may also be useful to read section 2 on the buck converter for some background information that I don't repeat here for the boost. Section 5-2 Agenda Output capacitors – for s...

Components & Devices Power Supplies & Energy Storage Special Reports

The DC-DC Boost Converter – Power Supply Design Tutorial Section 5-1

The boost is the second most common non-isolated typology, in terms of units sold and functioning, and a lot of that is thanks to LED drivers, especially mobile devices. The boost is a logical next step to analyze after the buck, and it's the second of the three most basic DC to ...

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Switching Edge Control for EMC – Power Supply Design Tutorial Section 4-2

This section will conclude the part of the tutorial dedicated to edge control for optimum-radiated EMI. And apart from first viewing section 4-1, I encourage you to also view  part 3, on PCB layout, as a complement to best practice for electromagnetic compatibility in general. ...

Power Supplies & Energy Storage Special Reports

Switching Edge Control for EMC – Power Supply Design Tutorial Section 4-1

This part of thePower Supply Design Tutorial is dedicated to edge control for optimum radiated EMI. Section 4-1 Agenda Parasitic capacitance and inductance cannot be avoided Noise energy sources depending upon switch type When ringing is normal (DCM) What are “sp...

Power Supplies & Energy Storage Test & Measurement Special Reports

Step-by-Step Example for Practical PCB Design – Power Supply Design Tutorial Section 3-3

Welcome to section, 3-3 of our Power Supply Design Tutorial. If you have seen yet parts 3-1 and 3-2, I strongly encourage you to do so. Since this section takes all the theory discussed in the previous two, it represents a step-by-step application of it all for a practical PCB de...

Power Supplies & Energy Storage Test & Measurement Thermal Management Special Reports

APEC’s growth reflects the health of the power industry

This year’s Applied Power Electronics Conference (APEC) in San Antonio (Anaheim, CA next year) was larger than the last, and represents the new energy in the power industry (pun intended). Over 5,000 power electronics engineering professionals attended, and APEC broke records i...

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PCB Layout for EMC, Part 2 – Power Supply Design Tutorial Section 3-2

This is part 3-2, a continuation of my personal favorite session of the entire series, where I will talk about PCB design for the best possible electromagnetic compatibility or EMC. Section 3-2 Agenda Noise transfer – by shared conductors A noise transfer test ...

Power Supplies & Energy Storage Test & Measurement Special Reports

PCB Layout for EMC – Power Supply Design Tutorial Section 3-1

This is part 3-1, the beginning of my personal favourite session of the entire series, where we'll talk about PCB design for the best possible electromagnetic compatibility or EMC.  Section 3-1 Agenda  •       Electron “psychology” •       Inductors –...

Components & Devices Power Supplies & Energy Storage Test & Measurement Thermal Management Special Reports

The Buck Regulator, Part 3 – Power Supply Design Tutorial Section 2-3

This is the final part of three sessions dedicated to the buck regulator in great detail. Though not strictly necessary, I strongly suggest that you read sections 2-1 and 2-2, where I discussed the input capacitors, the output inductor, and the output capacitors before watching t...

Power Supplies & Energy Storage Special Reports

The Buck Regulator, continued – Power Supply Design Tutorial Part 2-2

Here is the agenda for Part 2-2 of our Power Supply Design Tutorial: RMS currents in buck input capacitors Total RMS current Split between MLCC and bulk capacitors Design philosophy and selection of output capacitors for buck regulators As you can see, this...

Power Supplies & Energy Storage Special Reports

The Buck Regulator – Power Supply Design Tutorial Part 2-1

In Part 2-1 of our Power Supply Design Tutorial we're going to start a deep-dive into the buck converter and select one very important part, the output inductor. Then, we'll begin with the design philosophy for the input capacitors. Section 2-1 Agenda Synchronous and non-sy...

Power Supplies & Energy Storage Special Reports

Power Supply Design Tutorial (Part 1-2) – Topologies and Fundamentals, continued

Welcome to part 1-2 of the Power Induced Design Power Supply Design seminar, brought to you by Power Electronics News. In this session we'll look at the three basic DC to DC converter topologies in more detail. We'll also examine the flyback converter, and some of the compound sw...

Power Supplies & Energy Storage Special Reports

Power Supply Design Tutorial

This series of tutorials explains in-depth design steps for the buck and the boost topology DC-DC switching regulators, supplemented by dedicated sessions on PCB layout and signal edge control for EMI that apply to all switching regulators. This tutorials series is split into 15 ...

Power Supplies & Energy Storage Special Reports

Evolving electronic engineering ecosystems

For the longest time, most of the attention in engineering was (and a lot still is) directed to a great extent to the digital parts of electronic design and the related intelligent subsystems. Power, at best, was given a space on the board to populate with a supply that met the s...

Components & Devices Special Reports

Special Report: driving industriously forward

One of the criticisms of the term “Internet of Things” is that it is too damn broad. It was expected and predicted that the various application areas involved would become sub-cultures within the IoT, and industrial systems have come out strongly as one of those areas. The sp...

Components & Devices Power Supplies & Energy Storage Special Reports

The long gestation of Industry 4.0

Thirty years ago, Siemens ran a series of ads promoting computer-based systems for industrial applications using posters by a then-famous German cartoonist that made fun of corporations and how they performed industrial tasks like mechanical drafting, manufacturing measurement, a...

Components & Devices Motion Control Thermal Management Special Reports

Choosing the right switch for the job: a guide to switch selection in mission-critical devices

When it comes to the performance of mission-critical devices, such as medical products or factory equipment, it’s no secret that accuracy and reliability are key success factors. Whether it’s an automatic external defibrillator (AED) for a heart attack victim or a pressure tr...

Components & Devices Power Supplies & Energy Storage Thermal Management Special Reports

A further look at the Internet of Things

The Internet of Things (IoT) is widely lambasted as an acronym by many in the industry for reasons varying from inappropriateness to inadequacy. The reality is that the term is both of those things, yet neither, because the real issue is that the IoT space is so huge that it requ...

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Special Report: Energy harvesting for embedded processors

If it’s not a robot or machine tool, chances are that your Internet of Things project is (or incorporates) a remote sensor node. It will use miniaturized batteries to power itself. The goal of energy harvesting in IoT projects, ideally, is to eliminate batteries altogether. Mor...

Components & Devices Test & Measurement Special Reports