The SW has to support the power down based on the pushing of the switch.
Gerald
On Tue, Apr 14, 2015 at 6:41 PM, Matt Maher Peterson
mattmaherpeter...@gmail.com wrote:
Hi,
Working a beaglebone black that I am trying to power both with a wall wart
and with LiPo battery thru the TPS functionality. I have all the power
working well except that I cannot get the damn thing to power down from the
power switch on the board. Holding the switch down for 8 seconds causes
the thing to power down momentarily but then it power back up. Any idea
how to work around this?
One piece of information I found with respect to this issue was on this
forum where someone said:
...
Regarding the lithium battery pack idea, it's a good one
*except for one little issue with the bone where a rework is required in
order to power down into TPS65217 OFF or SLEEP modes when a battery is
connected due to SYS voltage staying present and the way 3.3V_EXP is
generated.* So
long as you don't want to power off with the battery still connected
there's no issue, though.
Anyone know what this workaround is or where I could find info on it?
Cheers!
MMP
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Gerald
ger...@beagleboard.org
http://beagleboard.org/
http://circuitco.com/support/
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