Comprehensive design procedure for racetrack microinductors

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Date
2021-07-05
Authors
López López, Jaime
Zumel, Pablo
O'Driscoll, Séamus
Pavlovic, Zoran
Murphy, Ruaidhrí
O'Mathuna, Cian
Fernandez, Cristina
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Institute of Electrical and Electronics Engineers (IEEE)
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Abstract
Present needs in efficiency and integration are driving research towards the miniaturization of power converters. Among the latest components to achieve the desired degree of integration are cored micro-inductors and they are still one of the hardest devices to optimize, due to the high number of freedom degrees in their fabrication. In this paper, a comprehensive design procedure for these micro-inductors is presented. The proposed method makes it possible to design the optimal device in a single iteration. It also allows the designer to easily ascertain the limits of the inductor in terms of handled current and losses and provides valuable physical insight on the output of the process.
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Keywords
PwrSoC , Inductor-on-silicon , Microinductor , Integrated power , Thin-film , Race-track , Planar BEOL , Magnetics-on-silicon
Citation
López López, J., Zumel, P., O'Driscoll, S., Pavlovic, Z., Murphy, R., O'Mathuna, C. and Fernandez, C. (2021) 'Comprehensive design procedure for racetrack microinductors', IEEE Journal of Emerging and Selected Topics in Power Electronics. doi: 10.1109/JESTPE.2021.3094631
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