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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…
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    • 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, the…
    • Resolved

  • RE: LM251772: Buck boost with multiple voltage selection 9 V, 19 V, and 40 V

    Hi Dhruven, not sure which part you are targeting as you the selected part number and part number in the thread here do not match - but both are very identical (the LM251772 is very targeted to USB-PD while the LM51772 is more general) To your questions…

  • RE: TPS55288: TPS55288 for USBC Buck-Boost Convertor @8A

    Hello George, There is something not as expected on Webench. We will check why this happened. I recommend using the quickstart calculator: LM251772-QUICKSTART-CALC Calculation tool | TI.com LM5175 is ok, but I would say LM251772 is the better solution…

  • RE: LM51770: Circuit design recommendations

    Hi Allen, the LM51770 would fit here very well. A good starting point would be the EVM: https://www.ti.com/tool/LM5177EVM-HP (Note: this EVM is still using the LM5177 which is pin compatible with the LM51770. Would recommend to use the LM51770…
    • Answered

  • RE: LM51772: can't archive boost mode with I2C

    Resolved
    Hello Volodymyr, Which capacitor are you using on VCC2? Please check if the voltage there drops. Can you start with a lower load and then increase it slowly without directly adding 4.5A at the output? Please check your design with the quickstart…

  • RE: LM5148: LM5148 pin 19 EN is burned out, the resistance between pin 14 SW and pin 10 GND is 14.4 ohms, the resistance between pin 14 SW and pin 15 CBOOT is 11.8 ohms

    Did you complete the quickstart calculator? https://www.ti.com/tool/LM5148-LM25148DESIGN-CALC

  • RE: LM25118-Q1: No PWM from device

    Hello Vikas, Did you use the quickstart calculator to check your design? LM5118QUICK-CALC Calculation tool | TI.com If yes, please share it. Best regards, Brigitte

  • RE: LM51772: Webench Design for a 5V DC does not work

    Hello Alex, I am sorry for the problems you have getting the device to work. Could you please do me a favor and check your design with the quickstart calculator that you can download from here: LM51772-QUICKSTART-CALC Calculation tool | TI.com If…

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