Can the bq40z60 adapt to new battery packs when using it on the system board?

dla5959595959

Other Parts Discussed in Thread: BQ40Z60, BQSTUDIO

I am building a product where I want to allow my customers to replace their 4S battery packs. The battery pack will always be 4S but its capacity may change in the future. Can the bq40z60 learn and adapt to new battery packs automatically if I place the bq40z60 on the system board instead of the battery pack? It would very inconvenient for them to have to plug it into bqStudio and run a learning cycle.

I am open to other product suggestions.

over 10 years ago

0 ThomasCosby over 10 years ago

TI__Guru 73830 points

The device is designed to be married to a set of batteries. You can connect a new set and it will probably update Qmax and the Ra table, if they are are not too far off. The gauge does limit how much these parameters can update.

0 dla5959595959 over 10 years ago in reply to ThomasCosby

Prodigy 130 points

What ground should I use for my microcontroller, GND or PGND? I notice that in previous posts you said SMBD and SMBC are referenced to PGND, so if I want to connect the SMB lines to my micontroller do I connect my micontroller's ground to PGND?

0 ThomasCosby over 10 years ago in reply to dla5959595959

TI__Guru 73830 points

You should connect the uC to PGND.

Power management

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Can the bq40z60 adapt to new battery packs when using it on the system board?