Providing high current on battery pin from USB gets it booting

Joerg Reisenweber joerg at
Tue Jul 1 14:49:50 CEST 2008

Am Di  1. Juli 2008 schrieb Andy Green:
> Somebody in the thread at some point said:
> | Somebody in the thread at some point said:
> |
> | | Test on R1721 (0R). maybe make this 1R / 10R for test purposes
> | |
> | | If we see current spike on this PMU-power-out, the current-limiter is
> | crap,
> |
> | Good idea and I will try it, but reworking these 0402s that are glued
> | down somehow is very risky for me.
> It's in an insane place surrounded by taller components on two sides and
> other 0402 directly above and below: and it won't come off the board
> without breaking it (and there is no other pad to get AUTOOUT1 & 2 from
> either).
> It's funny some 0402 are gone if you just hold your soldering iron near
> it and the one you want to move just sits there turning black.

Yeah, just heating my iron to do the same on mic (noise) side to proof some of 
the alternative reworks I suggested.
So at the end of the day we will need a good beer both of us ;-)

good luck!
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