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Why a Stable Switch-Mode Power Supply May Still Oscillate

Why a Stable Switch-Mode Power Supply May Still Oscillate

A perfectly stable switch-mode power supply may still oscillate due to its negative resistance at the input. This article examines the issue using…


Custom ASIC Development for Electronic Systems: Benefits and Challenges

Custom ASIC Development for Electronic Systems: Benefits and Challenges

An integrated circuit, also known as a chip, is a miniaturized electronic circuit comprising interconnected semiconductor components commonly made…


Advanced Inductor Circuit Models

Advanced Inductor Circuit Models

In this article, Dr. Ridley describes new advanced circuit models that can be used to accurately predict the performance of off-the-shelf…


PID Control for Solar Panel Temperature Regulation

PID Control for Solar Panel Temperature Regulation

Temperature regulation is key to maximizing the potential of solar panels and extending their lifespan. This article examines the innovative use of…


Practical Application of Middlebrook Filter Criteria

Practical Application of Middlebrook Filter Criteria

In this article, we will revisit a very old topic and apply practical rules to the problem. The subject is the stability of a system where an input…


Optimize Switching Power Supply Layout by Minimizing Hot Loop PCB ESRs and ESLs

Optimize Switching Power Supply Layout by Minimizing Hot Loop PCB ESRs and ESLs

Question: Can you optimize the efficiency of a switching power supply? Answer: Yes, by minimizing hot loop PCB ESRs and ESLs--an important method…


Bosch Uses Simulation to Optimize Inverters for EVs

Bosch Uses Simulation to Optimize Inverters for EVs

The global transition toward electric cars is getting a boost from industry suppliers. The Bosch team optimizes three-phase inverters and their DC…


Magnetized Simulation of Customized Permanent Magnetic Objects

Magnetized Simulation of Customized Permanent Magnetic Objects

This article discusses the magnetization of a virgin magnetic material into a permanent magnet in magnetic solver AMPERES.


DAB Calculations for 3kW Battery Charger App & Magnetics Design

DAB Calculations for 3kW Battery Charger App & Magnetics Design

The dual active bridge topology is currently raising a lot of interest from the power electronics community. Its bidirectional nature, soft…


Designing Electronics to Pass the EMC Test Part 3

Designing Electronics to Pass the EMC Test Part 3

Starting with a real-life example, Part 3 will look at simulating and evaluating the conductive emission using LTSpice.


Model-Based Power Converter Design Using High-Confidence MOSFETs

Model-Based Power Converter Design Using High-Confidence MOSFETs

When designing a power converter, simulation models can be used to help trade off multiple design criteria. Simple switch-based models of active…


Triac Universal Motor Speed Control Circuit Design Basics

Triac Universal Motor Speed Control Circuit Design Basics

Triac circuits are well-known and commonly used for universal motor speed control. This article presents a basic design for a universal motor…


Protecting the Health of the Battery: The Importance of Rugged Design and the BMS

Protecting the Health of the Battery: The Importance of Rugged Design and the BMS

With the growing rise in the use of batteries for a range of applications, it is crucial that the battery is designed in a manner that protects the…


How To Design Reliable Multilevel Bridgeless Totem-pole PFC

How To Design Reliable Multilevel Bridgeless Totem-pole PFC

This article discusses key design guidelines to implement safe operating conditions for power switches, enabling delivery of higher reliability and…


Snubber Network Choices, Design and Evaluation

Snubber Network Choices, Design and Evaluation

Power conversion circuits use snubber networks extensively to control voltage overshoots, improve efficiency and minimize EMI. This article…


Collaboration on SiC Power Stack Reference Design

Collaboration on SiC Power Stack Reference Design

E-mobility and renewable energy systems require power management solutions that drive performance and cost efficiencies in addition to speeding up…


Electric Vehicle Modeling Considerations

Electric Vehicle Modeling Considerations

In order to model any electric vehicle, three major parts should be taken into consideration: vehicle dynamics, transmission performance, and battery.


Improving Medical Grade Transformer Design

Improving Medical Grade Transformer Design

Given that the EU1 and FDA2 definitions of what constitutes a medical device encompass a large majority of medical products other than drugs, it is…


Speeding up the Design of EMI Filters for Switch-Mode Power Supplies

Speeding up the Design of EMI Filters for Switch-Mode Power Supplies

Switch-mode power supplies are used throughout modern electronics systems mainly because of their high efficiency power conversion. One side effect…


Swept Transient Loops Improve Accuracy and Design Information

Swept Transient Loops Improve Accuracy and Design Information

In this article, we show how swept loops surpass the performance of small-signal analysis. For the first time, we can answer important design…