Nonlinear shielding from voltage spikes is commonly designed in a one dimensional setting, e.g. on transmission lines, where protection consists of a single lumped voltage clamp. This paper investigates the extension to the two dimensional case, i.e. protection from a voltage pulse between two parallel plates of a PCB. Opposed to the one dimensional case, where the protection is concentrated in a point, for two dimensional case the protection elements are arranged on a curve, creating a nonlinear fence in the two dimensional plane. It is shown that the spacing of the elements on the curve has a strong impact on the shielding effectiveness. Additionally, the effect of resistive losses in the voltage clamps is investigated.

Distributed Nonlinear Shielding in Power Delivery Networks on Printed Circuit Boards / Wendt, Torben; Yang, Cheng; Schuster, Christian; De Stefano, Marco; Grivet-Talocia, Stefano. - ELETTRONICO. - (2021), pp. 1-3. ((Intervento presentato al convegno 2021 IEEE 30th Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS) tenutosi a Austin, TX, USA nel 17-20 Oct. 2021 [10.1109/EPEPS51341.2021.9609177].

Distributed Nonlinear Shielding in Power Delivery Networks on Printed Circuit Boards

De Stefano, Marco;Grivet-Talocia, Stefano
2021

Abstract

Nonlinear shielding from voltage spikes is commonly designed in a one dimensional setting, e.g. on transmission lines, where protection consists of a single lumped voltage clamp. This paper investigates the extension to the two dimensional case, i.e. protection from a voltage pulse between two parallel plates of a PCB. Opposed to the one dimensional case, where the protection is concentrated in a point, for two dimensional case the protection elements are arranged on a curve, creating a nonlinear fence in the two dimensional plane. It is shown that the spacing of the elements on the curve has a strong impact on the shielding effectiveness. Additionally, the effect of resistive losses in the voltage clamps is investigated.
978-1-6654-4269-5
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2947690