BQ28Z610: can't achieve VCT

Part Number:BQ28Z610

Hello,

I have a bq28z610 and there's trouble to get valid charge termination.

I'm using 2 cell battery LiFePO4 6.4V 6400 mAh. I've enabled RSOCL flag, so I should have 100% RSoH after VCT.

But I have the following state:

So even after waiting a couple of minutes RSoH is 99% and VCT is 0, although the charging current has dropped to almost 0. Rising tapper current didn't help (even 1 A).

What registers and settings are required to check?

Here are parameters:

(Please visit the site to view this file)

Thanks a lot.