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bq27530-G1 / EV2300 Issue updating battery parameters

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I have designed in the bq27530-G1 into my product and need to update the battery capacity, taper, etc parameters but everytime i try to program it i get an error.  See attached.  Im using a windows 7 64 bit machine with an EV2300 dongle attached.  I start up bqconfig and it recognizes my chip and i can read in the chips default values.  After going through the parameter value setting steps I try to program and it gives me this error writing data pop up.  I peaked around with teh bq Evaluation software and checked that my device was unsealed and it appears to be.

As a sidenote, its incredibly frustrating trying to use this part (and others, ive used 2 other bq chips but unfortunately they didnt fit this application) as the datasheet doesn't discuss in detail the registers and their values/meanings and trying to figure out how which tool and how to program this device is like dove hunting at night.

Some insight would be appreciated.

_Chris


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