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BQ78350-R1: LiFePO4 and Li-ion battery

Kai Hsiao
Guru 12675 points
Part Number: BQ78350-R1
Other Parts Discussed in Thread: BQ78350, GPCCEDV, BQSTUDIO

Hi Sir 

May I know BQ78350 have design guide for LiFePO4?  or is it the same with Li-ion?

Thanks 

  • 0
    TI__Prodigy 590 points

    Hello Hsiao, 

    The BQ78350 is using CEDV algorithm, that is different with impedance track that need to match the chemID in our library. it could refer to same development process, please check  the GPCCEDV http://www.ti.com/lit/ug/sluub45b/sluub45b.pdf  as your reference. 

    Our expert could give more explanation when he is back on Monday.  

    Thank you, 

  • 0
    TI__Guru* 77473 points

    Hi Kai,

    The app note Using the BQ78350-R1 will help guide you through the first steps in setting up the device for your battery. The process will be the same for Li-ion and LiFePO4. After you configure the ChemID and find the optimal CEDV parameters, you can look through the other settings in BQStudio. The default values for the voltages are based on a Li-Ion battery (for example, the over-voltage and under-voltage protection levels), so you should modify these values based on your LiFePO4 battery specifications.

    Best regards,

    Matt