Better characterization of suspend current

Andy Green andy at
Fri Feb 8 14:39:55 CET 2008

Hash: SHA1

Somebody in the thread at some point said:

>> That must be a recent innovation, or you are actually running off USB
>> with a battery just sitting there, because GTA02 charging has never
>> worked AFAICT until the patches of a couple of days ago.
> Perhaps average power consumption is just low enough that USB will
> feed the system well enough almost all the time, and the battery
> only gets involved if there's the occasional spike.
> I also normally don't activate any RF peripherals, so the base
> load is low.

Well dunno, but my point is you aren't "running off battery" there in
any sense, nor has anyone else been doing that.

By the same logic its a ding against using fancy "battery simulators"
either.  If we have a dozen of us actually using the devices like users
throughout the battery lifecycle we'll find any problems just fine, once
we have a problem described we can try to reproduce with external PSU or
a battery or whatever.

Fact is a fancy expensive battery simulator even if FIC does have them
in .tw did absolutely ZERO for us because until this week nobody tested
the freaking charging action with or without one.  Gear isn't the
problem, WE are the problem!

- -Andy
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