The booming development of electric transportations has enlightened the need of high power converters with high power density at low cost. Conventional wire-wound inductors are limited by losses in high frequency, which explains the emergence of planar magnetics that have a better behavior in high frequency and are easier to manufacture. This paper presents the design of an I-core PCB inductor for high frequency and high power, with an inductance of at least 1 µH from 0.1 MHz to 2 MHz and total losses below 33 W. It is modeled and simulated through 3D FEA with a 50A sinusoidal current waveform, and a study on the influence of geometric parameters and frequency on inductance and losses is carried out.
I-core PCB Planar Inductor Design for High Frequency and High Power Converters
2022-06-15
2507171 byte
Conference paper
Electronic Resource
English
Parseval's Theorem Used for the Inductor Analysis in High-Frequency Boost Converters
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