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bsamuels

53 Posts
Posted - 26 Sep 2006 :  18:03:47  Show Profile  Email Poster
Moved From Topic 409

quote:
[i]Originally posted by figued[/i]
[br]The Bitsy Personality board we received uses a BQ2057WTS IC in the charger circuit. We would like to use a three series cell Li battery in our system. What considerations need to be considered in using this higher voltage? We believe a divider for the battery input of 20K to Q5-3 and 30.1K to ground will boost the charge level to the three cell requirement. Are there any other items which must be addressed?
Thanks for the help.


quote:
[i]Originally posted by figued[/i]
[br]Converting to three cell divider on the charger should be 10K and 20K.
10K to Q5 pin 3 junction to U13 pin 2 and 20K to ground.


Using these cells would require quite a bit of investigating, due to the design of the circuitry. There are many components to consider for this change. If this is something that is necessary for your system please email us directly.
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