Part Number:bq78z100
Hi,
I'm employing a battery programming procedure where new batteries are programmed (using firmware update with a golden srec file) then discharged to empty, then shipped to customers. Often times the batteries are assembled with cells at 30-50% capacaity in them. We're seeing that the State of charge does not track unless a reset is applied when the batteries are discharged. We do not want to over-discharge the cells so we stop discharging at approximately 6.9V. Fullycharged, the battery sits at 8.2 to 8.4V. Here is data on one of these batteries:
| Voltage | State of Charge | |
| After programming | 7.459 | 57% |
| After discharge | 7.05 | 57% |
| After Reset | 7.05 | 19% |
Is there something wrong with my golden image or my programming procedure? Does a reset have to be applied after cells are discharged or is it the programming that needs to be performed after cells are discharged?
I have attached files for my golden image.
-Yan
(Please visit the site to view this file)(Please visit the site to view this file)
