dont-smoke.patch / Gold cap possibilities
Andy Green
andy at openmoko.com
Tue Mar 25 10:15:20 CET 2008
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Somebody in the thread at some point said:
>> We have different bits of logic about the power management spread in
>> two worlds with a dead time moving inbetween them, and there is no
>> overall guide for what should happen when.
>
> Think I'd like to adopt this topic in a few weeks. Fits perfectly. :-)
Yes trying to abandon U-Boot and the MPU concept are neither of them
random ideas :-)
> Shouldn't we have a goldcap parallel to (maybe removed) battery, to buffer
> spikes?
It's quite a little area of physical space, and I pulled the battery
many times and it never made a crash, the PMU is pretty decent at
handling that.
Whether it makes a "feature" if the phone suspended on battery removal,
survived for 20 seconds on the goldcap so you can swap the battery and
resume, I dunno. Inrush current from the battery would need managing
with a series resistor is all.
- -Andy
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