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Q&A: List of articles with PS
What are the requirements for internal and external wiring acc. IEC 62368-1 3ed. and UL 62368-1 3ed.?
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If a product is supplied by USB only, what kind of PS class can be considered for that product?
More specifically you asked: What PS class is a USB powered product that has no other I/O connections, has no internal battery nor internal amplifying circuitry?…
May the 3.5mm audio output jacks of laptop computers and phones be "declared" as PS1?
When are POE and USB ports required to be marked with the output voltage and the output current according to CSA / UL 62368-1 F.3.3.9DV.1? For POE, can we mark "POE" or "POE+" etc. to replace voltage and current?
With regards to Clause 6.2.2 of IEC 62368-1:2018 (3rd edition), what is the failure criteria of PS1 under abnormal and single fault conditions on load and power source circuits?
For DC powered products with internal PS2 circuits and containing only resistive PIS, does this construction require a Fire Enclosure?
I calculated the clearances according to 5.4.2.1 and got the highest value according to Procedure 1. Now I want to find the test voltage from Table 16. Can I use 5.4.2.3.2.5 for decreasing the required withstand voltage to get lower test voltage?
I calculated the clearances according to 5.4.2.1 and got the highest value according to Procedure 1. Now I want to find the test voltage from Table 16. Can I…