Hi, Pete. Isn't Charlie's option to say, with test results, that if he
plugs his product into a USBzilla source, it still remains safe under
any single-fault condition?
==
Best wishes John Woodgate OOO-Own
All
I realise there are now applications where 100W or more can be transferred, but
for devices with only USB2.0 ports, that are coming from the same chip, is
there really any need for testing and CB certification to this standard as part
of an assessment to IEC 62368-1?
The particular
Old story, mid 80's, when PC's were being placed on every desk as office work
stations.
Two different separate events occurred.
The high volume of switching power supplies feeding off the big inhouse
transformers caused some heating issues due to harmonics, etc. Thus the
harmonic standard.
Charlie,Remember that 62368-3 was developed at the direction of
ACOS to move the powered communication interfaces info from the 62368-1 base
standard to a separate document that would be available for use outside of
62368-1. The goal is to move this from the Wild West into an
John (& Charlie), Yes, I believe I also said that, under Euro CE marking & now
British UKCA, self-certification is allowed but he mentioned that he was
concerned that a test house was pressing the issue. So, if he wants to get the
test house marking he either has to talk them out of it or
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