Low ESL Aluminum Electrolytic Capacitors for the Application of Transcranial Magnetic Stimulation | Zendy

Jonas Wittmaack | Zendy; Florian Schwitzgebel | Zendy; Thomas Ebel | Zendy

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Low ESL Aluminum Electrolytic Capacitors for the Application of Transcranial Magnetic Stimulation

Author(s) -

Jonas Wittmaack,

Florian Schwitzgebel,

Thomas Ebel

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3614845

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

The development of portable Transcranial Magnetic Stimulation (TMS) devices requires lightweight and low-loss capacitors. This paper presents a novel redesign of standard aluminum electrolytic capacitors, using an optimized tab foil layout. The approach emphasizes the reduction of Equivalent Series Inductance (ESL), ensuring compatibility with high switching frequencies and a variety of pulse patterns. The redesign achieved a 25% reduction in ESL and paves the way for lightweight and more compact TMS systems for on-site therapy.

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