Operation without battery (GTA02)
andy at openmoko.com
Thu Jul 17 23:30:03 CEST 2008
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Somebody in the thread at some point said:
| On Thu, 17 Jul 2008 23:19:13 +0200, Andy Green <andy at openmoko.com> wrote:
|> I ran without a battery for many weeks earlier in the year. It seems to
|> be specifically if we enable the PMU charger with no battery, it freaks
|> out and goes to PMU STANDBY state. Earlier in the year, we didn't
|> enable charger yet so it hangs together.
| What's the advantage of enabling the charger?
Well without it literally it won't charge the battery from USB power.
It's fine to enable it except when it notices there is no battery there
for some reason.
|> Well it can be a use case if you don't want GSM... as Joerg said USB
|> alone cannot provide enough power for GSM TX usage so there's no hope
|> for it (or any other GSM device) being an actual phone with no battery.
|> ~ But it's actually a pretty decent embedded / server / smart display
|> device aside from the phone aspect useful for other things if it can be
|> tethered to some always on power without battery, so I still hope that
|> can be gotten to work.
| Still not really a use case because nothing stops you from having a
| battery inserted, even while external power is attached.
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