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TPSI3100: Driver Source pin integrated mosfet usage in TPSI3100 IC

Mustafa Yildiz
Prodigy 40 points
Part Number: TPSI3100

Tool/software:

Hi,

I want to use TPSI3100 as a solid state relay operation. I need to use mosfets in a back to back structure in order to block the reverse input. I will use 4 pin mosfets where there exists a driver source pin. Based on these requirements, how can I connect the back to back mosfets to this IC by using 4 pins.

  • +1
    TI__Intellectual 940 points

    Hello Mustafa,

    Thank you for reaching out to our team on E2E.

    When using a MOSFET with a driver source or kelvin source pin, you can tie that pin directly to the source of the MOSFET. From there you can use typical back to back structure with the VSSS pin of the TPSI3100 tied to the common sources of the structure. 

    Regards,

    Jack Hemmersmeier