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TPS53681: Two channel Power design Review: 300A/47A

Alex Locke
Prodigy 80 points
Part Number: TPS53681

Following the SLUUBP7  schematic, and have TPS53681 to implement an application for a low-voltage, high current dual output power converter, operating from a nominal 12-V input rail to produce a 0.85-V output rail at up to 294 A of load current and a 1.2-V rail at up to 47 A.

Attached are Schematic and PCB layout, the layout is Allegro SPB17.2 (password: qctvu3p1031)

Really appreciate if you can have a review on this. Thanks.

BR.

Alex Locke.TPS53681_PWR_MB.pdfTPS53681_review_view_locked.brd

  • 0
    TI__Expert 4060 points
    Hi Alex,

    I'll get on this now and get you feedback some time tomorrow. Please feel free to ask any questions you may have. Also, I sent you a private message so we can talk more on this application. The TPS53681 and 6xCSD95490 can handle a 300A application with a good layout and thermal solution but depending on your schedule one of our newer high phase count controllers close to release may be a better fit.

    Cheers,

    Carmen