1. Home
  2. Departments
  3. Technical Features

 



 

 

Technical Features

February 2022
High-Density Power Modules Simplify and Downsize EV Power System Design

Click image to enlarge

Figure 1: Replacing conventional, discrete power conversion with power modules throughout the vehicle provides significant cost and weight savings in EVs

High-Density Power Modules Simplify and Downsize EV Power System Design
Greg Green, Director of Automotive Marketing, Vicor

­The electrification of the automobile is presenting new challenges for power system designers in achieving the highest power density at the lowest weight possible, eliminating compromises in vehicle range and overall performance. Designers of power delivery networks (PDNs) are also tasked with designing safe, effici
. . . Learn More
Date:
10/31/2024
System solutions for battery-powered applications: Part 4 of 4 Editorial Series sponsored by Infineon; Innovative solutions for compact and efficient battery-powered applications

Click image to enlarge

System solutions for battery-powered applications: Part 4 of 4 Editorial Series sponsored by Infineon; Innovative solutions for compact and efficient battery-powered applications
John Garcia, Director Applications Marketing, Motion Control, Battery-Powered Systems, at Infineon Technologies

Introduction As discussed in previous installments in this series, integrating power electronics co-located or in close proximity to motors is an important design goal in many battery-powered applications. Faced with increasing functionality and power requirements, as well as the size and weight constraints in
. . . Learn More
Date:
02/25/2022
System solutions for battery-powered applications: Part 3 of 4 Editorial Series sponsored by Infineon; Maximizing integration and addressing EMI challenges in low-voltage motor drive/control applications

Click image to enlarge

System solutions for battery-powered applications: Part 3 of 4 Editorial Series sponsored by Infineon; Maximizing integration and addressing EMI challenges in low-voltage motor drive/control applications
Liz Zheng, Senior Staff Applications Engineer, and Peter Green, Lead Principal Engineer, Manager of Product and System applications, both at Infineon Technologies

Introduction Now that the era of the IoT, AI, and 5G has arrived, intelligent, lightweight, and miniaturized motor drives are essential to the next generation of power tools. According to a forecast provided by Grandview Research [1], the global power tool market is projected to reach 40.9 billion US dollars
. . . Learn More
Date:
02/18/2022
System solutions for battery-powered applications: Part 2 of 4 Editorial Series sponsored by Infineon; High power density and thermal management for compact low-voltage (LV) motor drive/control designs

Click image to enlarge

System solutions for battery-powered applications: Part 2 of 4 Editorial Series sponsored by Infineon; High power density and thermal management for compact low-voltage (LV) motor drive/control designs
Francesca Pastorelli, Senior Specialist Product Management, Power Discretes, at Infineon Technologies

The challenge Heat management is one of the biggest challenges for motor control and drive designs as it affects the efficiency and lifetime of the solution. In battery-powered applications, more sophisticated cooling mechanisms are adopted, requiring smaller heatsinks as well as different approaches other than PCB cooling. Power MOSFET package innovation is moving towards these new industry´s needs by developing products overcoming thermal challenges. Current state-of-the-art solutions Today most of the power MOSFET
. . . Learn More
Date:
02/11/2022
Programmable Electronic Loads Offer Cooling and Operating-Mode Options

Click image to enlarge

Programmable Electronic Loads Offer Cooling and Operating-Mode Options
Bill Martin, Senior Applications Engineer, AMETEK Programmable Power

The proliferation of renewable-energy applications is driving an increasing need to test batteries, fuel cells, solar panels, and other devices that produce renewable DC power. An electronic load—typically programmable and designed to draw various and specified amounts of power from a source—is the ideal inst
. . . Learn More
Date:
02/06/2022
System solutions for battery-powered applications: Part 1 of 4 Editorial Series sponsored by Infineon; System solutions for robots and cordless power tool applications A move towards the future

Click image to enlarge

System solutions for battery-powered applications: Part 1 of 4 Editorial Series sponsored by Infineon; System solutions for robots and cordless power tool applications A move towards the future
Nenad Belancic, Global Application Manager, Robots & Drones, and Adam Gozdzicki, Senior Global Application Manager, Cordless Power Tools, both at Infineon Technologies

Introduction Very often we hear that today’s world is moving faster. Let’s take a moment to think about what this really means. We see things changing around us, no doubt about it. New apps, solutions, behaviors, habits, discoveries, implementations – there are plenty of innovative ideas that one cou
. . . Learn More
Date:
02/04/2022
Increasing a Power Supply's Hold-Up Time

Click image to enlarge

Figure 1: AC-DC power supply block diagram

Increasing a Power Supply's Hold-Up Time
Chris Maidment, Technical Marketing Manager, TDK Lambda

During a storm, or when equipment is using a common power source shared with large machinery, the nominal AC input voltage may dip for a short period of time. This frequently happens when lightning strikes are in close proximity to a facility, or when large amount of current is drawn during a welding process on
. . . Learn More
Date:
02/04/2022
Regulation Efficiency for Data-Intensive Applications

Click image to enlarge

Figure 1: Real-time data in the global ‘datasphere’ will reach 51 zettabytes by 2025

Regulation Efficiency for Data-Intensive Applications
Trey Roessig, CTO & SVP Engineering, Empower Semiconductor

It is estimated that by 2025 the annual size of real-time data in the global ‘datasphere’ will have increased tenfold from the level in 2018, reaching a total of 51 zettabytes. Indeed, driven in part by the pandemic, global internet traffic grew by around 35% in 2020 as a result of rapid uptake of video st
. . . Learn More
Date:
02/04/2022
DC-DC Converter Design Basics

Click image to enlarge

Figure 1: The buck and boost DC-DC converter outlines

DC-DC Converter Design Basics
John Quinlan BSc, MSc, Strategic Technical Marketing Manager, Murata Power Solutions

This article gives a broad review of the switched-mode topology technology and some commercial implementations. Historically DC-DC conversion utilised a series pass element (transistor) with linear circuitry, resulting in woeful efficiency levels especially if the differential voltage across the series pass el
. . . Learn More
Date:
02/04/2022
Increasing Multi-Output Flyback Transformer Efficiencies in Power Supply Applications

Click image to enlarge

Figure 1: The flyback transformer circuit schematic

Increasing Multi-Output Flyback Transformer Efficiencies in Power Supply Applications
Shane O’Connor, Magnetics Application Design Engineer and Kyle Moldenhauer, Magnetics Product Applications and Marketing Engineer at Bourns

Integrated circuits and transistor components of the switch mode power supply (SMPS) already operate at faster switching speeds and higher efficiency than in previous years. Likewise, magnetic components used in SMPS circuit topologies require advanced design and analysis to keep up. A flyback topology with low
. . . Learn More
Date:
02/04/2022
Achieving Low-Latency Active Noise Cancellation in Automotive Settings

Click image to enlarge

Figure 1: A series of Molex RNC sensors daisy-chained together

Achieving Low-Latency Active Noise Cancellation in Automotive Settings
Kurt Dekoski, Engineer, Business Development at, Molex

Driven by rising customer expectations, over the last decade there has been a significant shift of priorities within vehicle design. A far greater proportion of automotive engineers’ focus is now placed on enhancing the driving experience, to make the time that people spend in their cars as enjoyable as possible. Th
. . . Learn More
Date:
02/04/2022
Powering Automotive Electronics

Click image to enlarge

Figure 1. Automobile instrument cluster and centre console. (Source: Shutterstock / BoJack)

Powering Automotive Electronics
Starry Tsai, Analog Devices

Providing power rails for automobile instrument clusters and radio head units presents many conflicting design challenges. These include finding a highly efficient switching regulator with low quiescent current (IQ) that can generate a low output voltage directly from the vehicle battery, while still maintaining l
. . . Learn More
Date:
02/04/2022
Taking the Speed Bumps Out of the ISO 26262 Functional Safety Certification Process

Click image to enlarge

Figure 1: Certified Functional Safety Resources and Development Ecosystem

Taking the Speed Bumps Out of the ISO 26262 Functional Safety Certification Process
Jacob Lunn Lassen, Technical Staff Engineer, Functional Safety with Microchip Technology

Stringent International Organization for Standardization (ISO) 26262 functional safety specifications ensure that the increasingly complex and sophisticated automotive applications operate safely. However, developing compliant designs and achieving certification can be a time-consuming and expensive process. Th
. . . Learn More
Date:
02/04/2022
SiC FETs in Traction Applications Maximize Efficiency

Click image to enlarge

Figure 1: Figure of merit RDS∙A compared for technologies at increasing voltage rating

SiC FETs in Traction Applications Maximize Efficiency
Anup Bhalla, VP Engineering at UnitedSiC

A traction inverter is an application that is peculiarly unique; power conversion electronics is generally pushing to ever-higher switching frequencies for higher power density, but a motor drive typically seen in an EV is still operating around 20kHz. The reason is that the magnetic element is the motor, which is
. . . Learn More
Date:
02/04/2022
It’s All About Voltage Ratings

Click Image to enlarge

Figure 1: Voltage distributes equally across inductor turns

It’s All About Voltage Ratings
Len Crane, Senior Technologist, Coilcraft

Yes, voltage ratings for inductors. The popularity of molded composite core inductors has placed new emphasis on voltage ratings to ensure safe and reliable inductor operation. Molded-core inductors place the core material in direct contact with the windings, changing the way inductor windings are insulated. New circuit
. . . Learn More
Date:
02/02/2022
Archives
Current
October 2024
September 2024
August 2024
July 2024
June 2024
May 2024
April 2024
March 2024
February 2024
January 2024
December 2023
November 2023
October 2023
September 2023
August 2023
July 2023
June 2023
May 2023
April 2023
March 2023
February 2023
January 2023
December 2022
November 2022
October 2022
September 2022
August 2022
July 2022
June 2022
May 2022
April 2022
March 2022
February 2022
January 2022
December 2021
November 2021
October 2021
September 2021
August 2021
July 2021
June 2021
May 2021
April 2021
March 2021
February 2021
January 2021
December 2020
November 2020
September 2020
August 2020
July 2020
June 2020
May 2020
April 2020
March 2020
February 2020
January 2020
December 2019
November 2019
October 2019
September 2019
August 2019
July 2019
June 2019
May 2019
April 2019
March 2019
February 2019
January 2019
December 2018
October 2018
September 2018
August 2018
July 2018
June 2018
May 2018
April 2018
February 2018
January 2018
November 2017
October 2017
September 2017
August 2017
June 2017
May 2017
April 2017
March 2017
February 2017
January 2017
December 2016
November 2016
October 2016
September 2016
August 2016
July 2016
June 2016
May 2016
April 2016
March 2016
February 2016
January 2016
December 2015
November 2015
October 2015
September 2015
July 2015
May 2015
April 2015
March 2015
February 2015
December 2014
November 2014
October 2014
September 2014
July 2014
June 2014
May 2014
April 2014
February 2014
January 2014
December 2013
November 2013
October 2013
September 2013
August 2013
July 2013
June 2013
May 2013
April 2013
March 2013
February 2013
January 2013
December 2012
November 2012
October 2012
September 2012
August 2012
July 2012
May 2012
April 2012
March 2012
February 2012
January 2012
November 2011
October 2011
September 2011
August 2011
June 2011
May 2011
March 2011
January 2011
December 2010
November 2010
October 2010
September 2010
August 2010
June 2010
May 2010
April 2010

 


 Home | Site Map | Contact | Privacy Policy | Refund Policy | Terms of Service | Copyright © 2024 Power Systems Design, All rights reserved