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Q&A: List of articles with Power Supply

Can single fault condition testing between pins of a control IC and power switching MOSFET in a single package be omitted if there is inherent isolation between both complying with Basic Insulation requirements?

More specifically…

If an external power supply output to a product is power limited in accordance to 62368-1, could the product'™s polymeric enclosure be flame rated HB?

Power Supply PIS 100W Enclosure

Power-limited is a undefined term in IEC 62368-1, although what probably is meant is that the power supply supplying the product has an output limit associated…

With regards to Clause 4.1.1 of IEC 62368, would an external power supply, either brick type or direct plug into wall adapter, be considered an external component of a device? Wondering if the 60065 and 60950 approved EPS needs to be updated.

4.1.1 power supply legacy