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Original question:

PCA9306: PCA9306, Is it okay to use Vref1 2.8V and Vref2 3.3V for PCA9306?

PCA9306: PCA9511 and PCA9306 serial connection usage

Matt Qi
Expert 4510 points
Part Number: PCA9306
Other Parts Discussed in Thread: TCA9511A

Tool/software:

Hi team,

Can PCA9511 and PCA9306 serial connection usage?

Thanks a lot! And looking forward to your reply.

BR,

Matt.

  • 0
    TI__Guru 53028 points

    Hi Matt,

    I don't think we have a PCA9511. Try using TCA9511A I2C hot swap buffer. 

    There shouldn't be an issue with using TCA9511A with PCA9306 in a series connection as long as PU resistors are used correctly. 

    Regards,

    Tyler