Part Number:BQ34Z100-G1
While charging a battery at the recommeded level of charging voltage/current (14.4V/1.8A) using a current limited power supply, the charging current never diminishes to 0. I see a residual 70 mA which never goes to 0 mA.
I am using SLVA725A (Simple Guide to Chemical ID Selection Tool (GPC)) which requires a config.txt and roomtemp_rel_dis_rel.csv.
I have a new fuel gauge chip and did go through initial cal procedure (using SLUU904A user guide for bq34z100EVM):
1. Voltage Calibration
2. Temp Calibration
3. Current Calibration (CC offset and Board offset) and then 2A load from BAT+ to PACK-)
I have not entered any Chem ID.
So why I am not seeing my charging current go down to 0? It stays at a 70 mA draw.
Are there certain default values other than Design Capacity that I need to setup at this stage of Fuel Gauge learning?
The battery does have a low SOC when I started charging it. What value of Taper Current needs to set?
In other words, which parameters in Data Memory one has to worry to start this process correctly?
Is there a specific parameter that might be causing the behavior I am seeing (70mA current draw)?
Thanks.