PCB Power Supply Design

Your ultimate resource for managing power supply in PCB Design! Dive into expert tips, best practices, and innovative techniques for designing efficient, reliable, and high-performance PCBs.

Blogs

14 days ago

Pre-Tapeout Confidence: In-Design Checks for Power Integrity in Allegro X

Analyze PCB Power Integrity with Allegro X: Check DC IR-Drop, Return Path Continuity, Isolation Spacing DRC. Avoid issues like ground necking, ensure certification, and pass testing on the first run.

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14 days ago

Layout the Hot Loop, Save the EMI: Practical Allegro X Constraints for SMPS

Minimize EMI in your SMPS PCB design by understanding the 'hot loop' in PCB layout. Learn the 3 essential rules and how to put them into Allegro X constraints to pass compliance the first time.

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14 days ago

Magnetics First: How Transformer Choices Make or Break Your Design

The transformer is the heart of every flyback design. Learn how primary inductance, turns ratio, and saturation current make or break your design's efficiency and size.

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14 days ago

A Flyback That Starts Clean: Modeling Startup & Burden in PSpice

Use PSpice transient simulation to learn flyback power supply startup. Learn to tune soft-start, control inrush current, and prevent output voltage overshoot before you build hardware.

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24 days ago

Why Power Supply Architecture Matters in Modern Electronics

Learn why power supply architecture matters in electronics. Explore topologies, avoid common mistakes, and use practical frameworks to simplify your design with proven strategies.

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about 1 month ago

Understanding Power Supply Topologies: From Buck to LLC Resonant

Master power supply topology selection. Compare Buck, Boost, Flyback, Forward, and LLC resonant converters using a practical framework. Simplify your design choices from low-power rails to high-effici

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about 1 month ago

Thermal & EMI in Power Supply Design: The Physics Your Schematic Won't Show You

Addressing thermal and EMI issues early can prevent power supply design challenges. Learn practical guidelines, architecture strategies, and modern tools to design for compliance and avoid re-spins

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about 1 month ago

The Role of Control Loops in Stable Power Supplies

Discover how control loops impact power supply stability. Learn key concepts like loop gain, phase margin, and crossover frequency to design reliable power converters.

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Videos

3 days ago

How to Stress Test Circuit Designs before Manufacturing using PSpice

Designing a working prototype is one thing. Making sure it works across hundreds or thousands of production boards is another. In this video, Kirsch Mackey demonstrates how to use Monte Carlo and Wors

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3 days ago

How to Reduce Voltage Spikes and EMI in Flyback How to Size a Snubber Circuit for Flyback Converters

Your flyback converter is only as good as your transformer model. Get it wrong, you risk voltage spikes, unstable output, and EMI issues that don't show up until it's too late. In this video, Kirsch

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3 days ago

Simulating Flyback Transformers in Allegro X

Your flyback converter is only as good as your transformer model. Get it wrong, you risk voltage spikes, unstable output, and EMI issues that don't show up until it's too late. In this video, Kirsch

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16 days ago

Power Supply Overview

Power supply design isn't just about getting the output voltage right. It's about making sure your circuit performs reliably under stress, over time, and under real-world conditions. From initial ci

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about 1 month ago

Using Creepage and Clearance Rules to Isolate EMI Traces on a Flyback Converter

Managing EMI in your flyback converter begins with a smart PCB layout. One of the most critical layout decisions is determining how far to isolate your switching node from other sensitive traces. In t

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about 1 month ago

Visualizing Hot Loops and Return Paths to Remove EMI in a Flyback Converter

Struggling with EMI issues in your flyback or switch-mode power supply? In this video, Kirsch breaks down why flyback converters often fail EMI testing and, more importantly, how to fix the issue usin

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about 1 month ago

PSpice Modeling Using AC Analysis to Determine Loop Stability

Quickly and accurately checking the stability of your power supply is crucial, and in this video, Kirsch Mackey shows how to do just that using AC sweep analysis in PSpice. Learn how to inject a small

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about 1 month ago

PSpice Modeling Switch-Mode, Start-up, and Steady-State of a Flyback Converter

Simulating a flyback converter can be challenging. Especially when dealing with slow startups, output overshoot, or unstable voltage levels. In this video, Kirsch Mackey demonstrates how to model, sim

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Getting Started

24 days ago

Power Supply Design Guide 1: DC-DC Non-Isolated Flyback

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about 1 month ago

Top 10 Power Supply Topology & Architecture Questions

Explore key power supply design questions in our infographic. Learn about topology, isolation, efficiency, and EMI to optimize your next project

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