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  • LM5145: differences between "LM5145DESIGN-CALC" and "LM5145 Inverting Buck-Boost Quickstart Calculator"

    Resolved
    Part Number: LM5145 Other Parts Discussed in Thread: , LM25145 , LM5146 Hi, On the LM5145 product page both tools are listed. The Excel sheet looks similar, same input boxes. But when filling the sheets with the same requirements and values, I get large…
    • Resolved
    • Answered

  • LM5017-QUICKSTART-CALC: LM5017

    Resolved
    Part Number: LM5017-QUICKSTART-CALC Other Parts Discussed in Thread: LM5017 Is it possible some error in calculating Vout in the spreadsheet has gone undetected? Sometimes, the col for Vout will be wrong and in white so one cannot correct that. An interesting…
    • Resolved
    • Answered

  • LM5143DESIGN-CALC: Power loss on Quickstart Design Tool

    Resolved
    Part Number: LM5143DESIGN-CALC Other Parts Discussed in Thread: LM5143-Q1 Hi, Team, Please let me confirm about "Effiency/Power Loss Analyzer shown in IM5143-Q1 Quickstart Design Tool. In the section of "Effiency/Power Loss Analyzer" in the file,…
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    • Answered

  • RE: LM5017: Low side current limit

    Resolved
    Hi Lionel, I don't think it should be an issue as long as you aren't in violation of the high side current limit. I recommend to use the quickstart calculator in addition to your calculations as a sanity check: https://www.ti.com/tool/LM5017-QUICKSTART…

  • RE: LM5145: help me with my high power regulator design

    Jakub, See appnote on adjusting output voltage on-the-fly. https://www.ti.com/lit/an/slyt777/slyt777.pdf You can use the quickstart calculator to aid with design and component selection. https://www.ti.com/tool/LM5145DESIGN-CALC Hope this helps, -Orl…

  • LM5017: LM5017 Airgap Flybuck Calc Xlsx

    TI Thinks Resolved
    Part Number: LM5017 Hello TI, A. Kindly reply to the related thread https://e2e.ti.com/support/power-management/f/196/t/783364 B. LM5017 flybuck transformer xlsx, Air gap calculation Cells I29 & I33, use complex equation comprising of Centre leg length…

  • RE: LM5146-Q1: LM5146-Q1

    Hello, Are you in FPWM mode? Is the device switching stable? Can you probe the inductor current and SW node voltage? Also please use the quickstart calculator: https://www.ti.com/tool/LM5146DESIGN-CALC -Orlando

  • RE: LM5175: Schematic Review

    Hello Adithya, Thanks for reaching out to us via e2e. Fundamentally the schematic looks good. I would definitely recommend adding footprints for gate resistors, so that they can be added, if necessary. I could not spend time to calculate all components…

  • RE: LM5175: The schematic view for LM5175

    Hi Zhang, thank you for using the E2E forum. Can you please fill out the quickstart calculator which can be found on the product page with your design data and attach it here as well. https://www.ti.com/tool/LM5175QUICKSTART-CALC Best regards, Stefan …

  • LM5017: Central Repository to Flybuck Calc xlsx

    TI Thinks Resolved
    Part Number: LM5017 Hello TI, Kindly point me to central repository for latest proven version of Calc xlsx sheet (Tried search in TI e2e as well as google, but all lead to e2e forum only) One gets to see number of these being shared in e2e forum, appearing…

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