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Original question:

Linux/TCA9548A: TCA9548APWR driver

TCA9548A: PCA9548APW

Wayman Sit
Prodigy 10 points
Part Number: TCA9548A


Please advise the difference between PCA9548APW and TCA9548APWR.  Which one is a preferred for new designs.  Thanks.

  • 0
    TI__Guru 62920 points

    Hi Wayman,

    The devices are similar in functionality, but the TCA* device makes some improvements in supporting a wider VCC range and addressing the power-on-reset errata mentioned in the PCA* device datasheet.  So, I would recommend the TCA* device for new designs whenever possible.

    Please let us know if you have any further questions.

    Regards,
    Max