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LMG3522R030: Will it work if I use GaN as a load switch?

Charlie Xiao
Expert 7345 points
Part Number: LMG3522R030

Hi Team,

Can Gallium Nitride Replace Back-to-Back MOSFETs? If so,  need one or two?

Since TI's gallium nitride integrates drive and protection, can it replace the overall circuit in the figure below?

If I use GaN as a load switch, will the current limit limit the inrush current at the instant the switch is turned on? Thanks.

Regards,

Charlie

  • 0
    TI__Expert 4510 points

    Hello,

    I believe your application is similar to a previous E2E post, please click the link here and let me know if it helps.

    To summarize the response, our recommendation is that our devices can theoretically work for these applications but must operate within the absolute max and continuous max ratings of our devices. Considering the cost of GaN and Silicon, you might be able to get by with Si FETs and save on system cost for this case. Many of the benefits of GaN would not be utilized which decreases the need for it.

    Regards,

    Zach