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.

Getting Started

29 days ago

Access Our Power Supply Design Guides

Understand the essentials of designing high-performance power supplies with our free design guides and ready-to-use reference designs.

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about 1 month ago

Top 10 Emerging Trends & Technologies in Power Supply Design

Discover the top 10 trends changing power supply design, from GaN/SiC semiconductors to AI optimization and energy harvesting. Stay ahead with cutting-edge innovations and tips!

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3 months 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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Blogs

about 2 months 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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about 2 months 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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about 2 months 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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about 2 months 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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2 months 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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3 months 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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3 months 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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3 months 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

about 1 month ago

How to Simulate Buck, Boost, and Buck-Boost Converters in PSpice

Switched-mode power supplies (SMPS) power everything from smartphones to industrial systems, but testing their behavior under real-world conditions starts with simulation. In this video, you'll learn

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about 1 month ago

How to Model Transformers in PSpice

Choosing the wrong transformer model in simulation can quietly wreck your power design, leading to unexpected phase shifts, incorrect output voltage, or misfired circuit behavior that only shows up wh

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about 1 month ago

How to Pinpoint Circuit Weaknesses with PSpice Parametric Sweep

Your design might look perfect, until one overlooked component quietly breaks everything. In this video, Kirsch Mackey shows how a single sensing resistor can break an entire circuit, and how to catch

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about 2 months 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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about 2 months 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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about 2 months 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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about 2 months 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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3 months 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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3 months 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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