Design Solutions

Highlights

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Passives

PDN Basics –Paralleling Tantalum and Ceramic Capacitors Can Be Risky

Because of their high ESL compared to ceramic, tantalum capacitors are not the optimum choice for high frequency decoupling. Paralleling tantalum capacitors for bulk capacitance...
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Engineering Essentials

Reader Q&A of the Month: Alex Lidow Answers Your Questions

Would you like advice from an expert to help with a project, design problem, or help navigating your career? You can now get your questions answered by Power Electronics’ featured...
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Thermal Management

Layout Power Supply Boards to Minimize EMI: Part 2

The second part of this feature on controlling EMI in power supply boards explores the challenges posed by external switch drive signals and the effectiveness of shielding techniques...
Discrete Power Semis

eGaN® FET-Silicon Power Shoot Out Volume 12: Optimizing Dead Time

Significant efforts have been made to show the performance improvements achievable with eGaN® FETs over silicon MOSFETs in both hard and soft switching applications. This volume...
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Power Electronics Systems

Layout Power Supply Boards to Minimize EMI: Part 1

PC-board layout sets the functional, electromagnetic interference (EMI), and thermal behavior of a power supply. Good layout from first prototyping on actually saves significant...
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Discrete Power Semis

Design Considerations for SiC-based Power Electronics

SiC properties are recognized as being advantageous for fabrication of power devices. Although substrate costs and defect densities are decreasing, SiC is not yet as mature and...
Discrete Power Semis

Selecting IGBTs To Optimize Motor Control System Design

The choice of IGBTs presents a challenge in balancing the potential for power losses at higher switching frequencies resulting in heat or reduced control precision at lower switching...
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Power Electronics Systems

Low Power And High Efficiency Can Degrade Performance Significantly

Reducing electronic system power consumption may be a goal today, but product performance, reliability, and cost cannot be ignored. Lower power levels can cause reduced performance...
Energy Harvesting

Harvesting Motion Energy

Today, energy-autonomous wireless systems are found in many applications – including building automation, industrial plants and many other sectors. The first wireless standard...
Power Electronics Systems

UPS Operation Must Be Consistent with its Environment

To ensure long-term reliable operation it is essential to select the proper uninterruptible power supply (UPS) for use in harsh wide temperature environments. To make sure of ...