Design Center
[S02] Future of the Electric Car
The competition between hydrogen and electric cars is not even close.
[S03] PFC Wide Range
A circuit for producing the output voltage you need from high ac line voltages.
[S01] Sepic Full Analysis
The complete analysis of the Sepic converter – the only place where this can be found. By Dr. Vorpérian.
[S04] PFC Small Signal
How to analyze the low-frequency plant characteristics of a PFC circuit.
[A22] Magnetics Proximity Loss
Proximity Loss in Magnetics Windings.
[A21] Designing with the TL431
The first-ever proper analysis of the popular TL431 controller.
[A20] High Frequency Power Inductor Design
Proximity effects show the difference between off-the-shelf designs and custom designs.
[A19] Using Fractals to Model Eddy-Current Losses in Feretic Materials
Vorpérian’s fractal circuits accurately model the frequency dependence of core loss.
[A18] Current-Mode Control Modeling
A simple and accurate summary of current mode modelling.
[A17] International Space Station
A look at the power systems on the ISS.
[A16] Ripple Theorem
Vorpérian’s amazing ripple theorem generates ripple currents and voltages from the small-signal switch model.
[A15] High Frequency Power Transformer Measurement & Modeling
Characterize your magnetics properly to guarantee quality parts.
[A14] Made in China: Land of Opportunity?
The hidden price of outsourcing is an abandonment of valuable IP.
[A13] Power Supply Stress Testing
Useful techniques for accurately determining junction temperatures of your semiconductor devices.
[096] Current-Mode History and Loose Ends Part V – The Correct Modulator Gain
The correct modulator gain is confirmed by experiment. Different analysis results are completely resolved when choosing the right modulator gain.
[A12] Semiconductor Temperature Measurement in a Flyback Power Supply
Useful techniques for accurately determining junction temperatures of your semiconductor devices.
[A11] Gate Drive Design Tips
The right way to drive you power circuit mosfets for safety and ruggedness.
[A09] Analyzing The Sepic Converter
Summarizing the main features of the Sepic control characteristics.
[A08] Six Common Reasons for Power Supply Instability
There are many causes for apparent instability in a controller, not just a lack of phase margin in the loop.
[A06] Core Loss Modeling & Measurement
A core loss modeling paper from Chris Oliver of Micrometals.
