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BQ20Z95: ASOC update during rest after charging

Part Number: BQ20Z95

Dear TI,

I've a sample that happens to have 455% of SOC before fully charged it.

Then I want to improve the accuracy of ASOC by cycling the sample.

However, after fully charged that sample, during the rest period, the ASOC improves from 455% to 104%.

As far as I understand, the accuracy of ASOC can be improved by doing 1 complete cycle (Charge, 2h Rest, Discharge, 5h Rest).

Can you explain why and how this event hapens?

Below is the graph result:

Given is the raw data: BPK340 -40 UPG_Chg_After 2nd Auto -40_SN13_1.log

Please assist.

Tq in advanced.