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UCC20520: How does TI classify power switch support?

Kazuki Itoh
Genius 10710 points
Part Number: UCC20520
Other Parts Discussed in Thread: UCC21530

Hi team,

How does TI classify if the specific isolated gate driver supports certain type of power switch exactly?

Do we have any quantatative criteria to classify gate drivers such as gate driving current or something?

Is it allowed to drive SiCFET by the drivers which only support MOSFET and IGBT? 

Regards,

Itoh

  • 0
    TI__Expert 3735 points

    Hi Itoh,

    Thanks for using E2E! If you select one of the gate drivers like UCC20520 for example, you will see the type of power switch it supports. Link: https://www.ti.com/product/UCC20520.

    SiCFETs need different parameters when compared to MOSFETS and IGBTS. For example one factor is that SiC and Gan needs >10V UVLO. So for using SiCFETs you would look at a part such as UCC21530. Link: https://www.ti.com/product/UCC21530.

    So to answer your question, you should only drive the FETs that the part has listed in it's compatible power switches. Also note different versions of the same part can drive different power switches. If you need help choosing a driver from our portfolio, I'd be glad to help.

    Regards,

    Akshat