Hello,
I recently created a new golden file for a battery pack, but have been having consistent issues with the production cycle resulting in Update Status changing from 0x06 to 0x0E. This is required in this IC to enable balancing.
To get some preliminary questions out of the way:
1. The ChemID is good, chosen using GPC.
2. I successfully got to 0x0E when initially creating the Golden File by just doing a subsequent cycle after the initial learn, so I know it CAN do it.
3. The cycle meets all the criteria laid out for QMax update detailed in SLUU493A, except maybe offset error, but all my calculations put that well below 1% of Design Capacity.
4. I have tried the following two cycles on a mix of packs, all with varying results.
a. Starting at ~30%, CHG at C/5-ish to FC, rest 6 hours, DSG at C/5-ish to cutoff (well below term voltage), rest 6 hours, charge at C/2.75 to 30%.
b. Starting at ~30%, DSG at C/5-ish to cutoff (well below term voltage), rest 6 hours, CHG at C/5-ish to FC, rest 6 hours, DSG at C/5-ish to cutoff (well below term voltage), rest 6 hours, charge to 30%.
The 6 hour rests are to ensure the algorithm exceeds the 5-hour limit for the rest period.
Any suggestions are welcome.
