In This Issue

The February 2023 issue of In Compliance concentrates on Power Electronics.

Automotive EMC Testing: CISPR 25, ISO 11452-2 and Equivalent Standards, Part 1
By Garth D’Abreu, Craig Fanning, and Ammar Sarwar
This two-part article provides an overview of current automotive EMC standards and the intricacies of chamber testing automotive systems and components. In Part 1 of this article, we’ll provide details on the current editions of CISPR 25 and ISO 11452-2.

Evaluation of Intelligent and Non‑Static Power Sources: A Rational Clarification

By Jim Wiese and Peter Perkins
Product standards, such as IEC 62368‑1 for ITC equipment, struggle to keep up with technology changes, even when they are designed to be adaptable – such as this hazard-based standard. Unexpected consequences can develop with the introduction of disruptive technology that takes advantage of a seeming loophole in a standard and move forward without getting a full evaluation under the standard. Fault managed power systems, such as PoE, push the standard in getting proper evaluation. This paper is a case study including a detailed proposal as to how to address an issue such as this within the standard.

Product Liability Law and Its Effect on Product Safety

By Kenneth Ross
Manufacturers should understand product liability law and consider it pre-sale when they design and manufacture their products and after sale when they deal with potential product safety problems reported to them by consumers. Doing so will result in safer products and, if there is a lawsuit, a better defense.

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