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BQ27426EVM-738: BQ27426

Part Number: BQ27426EVM-738
Other Parts Discussed in Thread: BQSTUDIO

Hi everyone,

Recently,  I use the charger bq24192EVM and gauge bq27426EVM to do some test on the mobile phone lithium-ion battery.

then i arrange the test data and upload them to http://www.ti.com/tool/GPCCHEM?keyMatch=gpc&tisearch=Search-EN-Everything for chemical ID.

Finally, I get my battery Chemical ID 3945, then I choose the chemical ID in Bqstudio software, and I get the default data memory and save it.

After that I do the test again for data memory updating, and save the updated data memory too. However, when i analysis the Ra table in the data memory, I meet a problem.

The distribution of the updated Ra table is OK, but I find that the default Ra table is very strange for Ra getting  the highest value when SOC is 100%,  It is not common practice.

I want to know why the default Ra table has this  unreasonable phenomenon, or the default Ra table is only generated randomly?

Thanks for reply!

Xuehao