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PCA9306-Q1: Question about Ron for PCA9306-Q1

Alan Xia
Genius 9930 points
Part Number: PCA9306-Q1


Tool/software:

Hi team,

I would like to ask about the Ron condition of this material. There is no Vref information. Why is this? It should be related to Vref. Please help confirm it, thank you.

  • 0
    TI__Guru 51288 points

    Hi Alan,

    The passFET connecting side 1 to side 2 SDA or SCL is a single FET. 

    The only three parameters to characterize the Ron of this FET is the input voltage, sourcing current, and the gate voltage which is the EN voltage. VREF is a reference voltage that is not needed in the characterization. The VREF voltage is only to help set the EN voltage in level translation mode: 

    Regards,

    Tyler