Hi,
To me: The clearly most useful part of the bq27000 is the current
measurement. You get what seems to be a reasonably accurate measure of the
current flow to/from the battery updated every 25 s or so. It's much more
practical than an external ammeter: No need to open the case and fiddle with
probes, you can measure battery current while in the train, at work or
wherever. Having it built in makes accurate current measurement available to
many more people in a lot more places.
Here's a few examples where the current measurements have proven useful:
1) Tracking down that current leak from the serial ports into the Calypso.
2) Finding that 8 mA apmd current leak Debian used to have.
3) Confirming the X.org server screen blanker current leak of 38 mA.
4) Measuring the effectiveness of reducing CPU clock and core voltage.
It's an good easy way proposed, it would be probably get the related
current leak to spyware.
But I just wondering that is there anyone who really did a whole current
measurement about
battery's consumption; not only indicators are partly in percentage. Any
exact plot of current
curve have illustrated by CC/CV mode [1]? then compared to battery's
specification to check?
I am searching that is there an existing linux software that it can
remote DMM measure to do
real current/voltage measure. Hope someone knows.
Adam
Hopefully it will also help to curb assorted forms of spyware because
they will be easier to detect with the power consumption figures readily
available.
[1] http://focus.ti.com/lit/ml/sprp569/sprp569.pdf
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