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Original question:

BQ25672EVM: Need .bqz config files for 25672 and 25792 to run on BQstudio

BQ25672: BQ25672 and BQ25792 compatibility

Ross Johnson
Prodigy 230 points
Part Number: BQ25672
Other Parts Discussed in Thread: BQ25792

Hi,

I am presently developing a product in which I plan to use the BQ25672. Based on my examination of the datasheets and Jeff's comment (in the referenced thread) describing this chip as being a 'spin off' of the BQ25792, am I correct to assume that the two parts can be used interchangeably? I am mostly concerned with this from a hardware perspective. But if there are specific software/configuration differences I should also be aware of, that would be good to know to. Of course, I only intend to use the functionality available in the BQ25672.

My reasoning for considering compatibility is a) the BQ25672 is not yet in production, and b) it's good to have a second part as a fallback in case of supply chain issues.

Speaking of which... any news on when this part is likely to enter full production? Is the full production part likely to be the same or different silicon version to the current evaluation samples?

Cheers, Ross

  • 0
    TI__Genius 10385 points

    Ross,

    BQ25672 will be P2P compatible with BQ25792. The main difference in operation is the BQ25672 will be buck only in forward mode whereas BQ25792 is buck-boost. BQ25672 will also have a reduced reverse mode output range of 5V to 12V and reverse mode will operate as buck-boost as BQ25792 does today.

    This makes BQ25792 a sort of superset of the BQ25672. You can design with BQ25792 today and replace it with BQ25672 when it is released.

    I cannot comment on the release date on this forum.

    Best regards,

    Ricardo