USB power in parallel
Herbert Graf email (remove spam text)
On Tue, 2008-07-08 at 11:29 -0400, Olin Lathrop wrote:
> > So there is a 5V1W bulb in there, nothing else...
> > That's 200mA, plus when it's cold it could be even bigger. There is
> > no interface asking more power than 100mA, just using the power
> > lines. Isn't it violating the specs?
> Yup, and you won't likely find the official USB logo on the plug.
Chances are you will. I find that most "non-compliant" USB hardware has
the logo on the cable (and often even on the box).
It's unfortunate, but it appears that enforcement is non-existent.
In reply to: <003901c8e10f$6c4aa750$0300a8c0@main>
See also: www.piclist.com/techref/power.htm?key=power
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