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Keywords = IC-level EMC

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18 pages, 4934 KB  
Article
Prediction of the Probability of IC Failure and Validation of Stochastic EM-Fields Coupling into PCB Traces Using a Bespoke RF IC Detector
by Arunkumar Hunasanahalli Venkateshaiah, John F. Dawson, Martin A. Trefzer, Haiyan Xie, Simon J. Bale, Andrew C. Marvin and Martin P. Robinson
Electronics 2025, 14(11), 2187; https://doi.org/10.3390/electronics14112187 - 28 May 2025
Cited by 1 | Viewed by 876
Abstract
In this paper, a method of estimating the probability of susceptibility of a component on a circuit board to electromagnetic interference (EMI) is presented. The integrated circuit electromagnetic compatibility (IC EMC) standard IEC 62132-4 enables the assessment of the susceptibility of an IC [...] Read more.
In this paper, a method of estimating the probability of susceptibility of a component on a circuit board to electromagnetic interference (EMI) is presented. The integrated circuit electromagnetic compatibility (IC EMC) standard IEC 62132-4 enables the assessment of the susceptibility of an IC by determining the forward power incident on each pin required to induce a malfunction. Although we focus on IC susceptibility, the method might be applied to other components and sub-circuits where the same information is known. Building upon a previously established numerical model capable of estimating the average coupled forward power at the end of a trace of a lossless PCB trace for a known load in a reverberant environment, this paper updates the model by incorporating PCB losses and utilizes the updated model to estimate the distribution of coupled forward power at the package pin over a number of boundary conditions in a reverberant field. Thus, the probability of failure can be predicted from the known component susceptibility level, the length, transmission line parameters, and the loading of the track to which it is attached. To validate this numerical model, the paper includes measurements obtained with a custom-designed RF IC detector, created for the purpose of measuring RF power coupled into the package pin via test PCB tracks. Full article
(This article belongs to the Special Issue Antennas and Microwave/Millimeter-Wave Applications)
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19 pages, 1613 KB  
Article
Electromagnetic Susceptibility of Battery Management Systems’ ICs for Electric Vehicles: Experimental Study
by Orazio Aiello
Electronics 2020, 9(3), 510; https://doi.org/10.3390/electronics9030510 - 19 Mar 2020
Cited by 36 | Viewed by 9337
Abstract
The paper deals with the susceptibility to electromagnetic interference (EMI) of battery management systems (BMSs) for Li-ion and lithium-polymer (LiPo) battery packs employed in emerging electric and hybrid electric vehicles. A specific test board was developed to experimentally assess the EMI susceptibility of [...] Read more.
The paper deals with the susceptibility to electromagnetic interference (EMI) of battery management systems (BMSs) for Li-ion and lithium-polymer (LiPo) battery packs employed in emerging electric and hybrid electric vehicles. A specific test board was developed to experimentally assess the EMI susceptibility of a BMS front-end integrated circuit by direct power injection (DPI) and radiated susceptibility measurements in an anechoic chamber. Experimental results are discussed in reference to the different setup, highlighting the related EMI-induced failure mechanisms observed during the tests. Full article
(This article belongs to the Special Issue Electromagnetic Interference and Compatibility)
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