svn commit: r334115 - in head: share/man/man4 sys/dev/usb/template

H. Schmalzbauer - OmniLAN h.schmalzbauer at omnilan.de
Thu May 24 07:41:32 UTC 2018


Am 23.05.2018 um 22:35 schrieb Ravi Pokala:
> Hi Traz,
>
> You're referring to power consumption in terms of (milli)Amps. That's not right; power is measured in Watts. What you're actually talking about is *current*. And it looks like in some situations USB devices can draw more than 500mA.

Since the voltage isn't a variable when talking about USB power, 
speaking of "power" while refering to current seems valid to me – it's 5 
V only and those who read that don't even need to do any math in head.
I never read 2500mW in USB world, 500mA is common.
Just my 2¢

-harry




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