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cell balancing using the bq20zxx (slua340c rev.)

Other Parts Discussed in Thread: BQ29312A

Does this new revision (rev.C) to application note slua340 (cell balancing using the bq20zxx) apply to new batches of manufactured devices, or should I go back and change the filter resistor values (i.e. in the app-note these are: R2, R3, R9, and R10) for boards/devices assembled year(s) ago?  So basically what I'm getting to is: has the bq29312A's internal by-pass resistance (which changed from 500Ohms to 340Ohms, between app-note revisions B and C) been better characterized since rev.B, or is this a change in newly manufactured devices?

thanks,