BQ34Z100-G1: Replace BQ34Z100PWR-G1 with BQ34Z100-R2

Part Number: BQ34Z100-G1
Other Parts Discussed in Thread: BQ34Z100-R2

Tool/software:

Dear

    Can the BQ34Z100PWR-G1  be replaced with the BQ34Z100-R2 version? Is it possible to support the firmware update of the chip?  That is  differences between BQ34Z100PWR-G1 and BQ34Z100-R2