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  • LM5175QUICKSTART-CALC: Output capacitor value

    Resolved
    Part Number: LM5175QUICKSTART-CALC Hello can you tell me if the minimum output capacitor value given on the quickstart is the value after MLCC derating or before?
    • Resolved

  • LM5175QUICKSTART-CALC: The spreadsheet running slower and slower, with memory errors

    TI Thinks Resolved
    Part Number: LM5175QUICKSTART-CALC The first couple times I worked on the quickstart tool to figure out my starting design, the spreadsheet worked fine. Then it started getting laggier and laggier. Today, all I get are memory errors, Not enough memory…
    • Answered

  • LM5175QUICKSTART-CALC: Meaning of 0 capacitance and calculating nC

    Resolved
    Part Number: LM5175QUICKSTART-CALC Just wanted to confirm that a 0 capacitance value calculated for compensation components in the quickstart tool means no capacitor needed? an open circuit? Also, none of the schottky diode datasheets I'm looking at…
    • Resolved

  • LM5175-Q1: Webench or LM5175QUICKSTART-CALC

    TI Thinks Resolved
    Part Number: LM5175-Q1 Other Parts Discussed in Thread: LM5175QUICKSTART-CALC Our customer consider to use LM5175-Q1. Vin=6V to 18V Vout=5V Ioutmax=14A Fsync=500kHz Which tool you recommend they should use Webench or LM5175QUICKSTART-CALC…

  • RE: LM5175: Help with Output Ripple in LM5175 Buck-Boost Circuit

    HI Kanda, Could you please attach the filled out LM5175QUICKSTART-CALC to this thread? This would be the most efficient workflow for us to do a schematic review. It might be that the compensation is not stable for your design. Best regards, Ste…
    • Answered

  • RE: WEBENCH® Tools/LM5175QUICKSTART-CALC: 12V Project: I/P Voltage 9-16V, O/P Voltage 8.5V, O/P Current 1.2A - 1.8A & 24V Project: I/P Voltage 18-32V, O/P Voltage 18V, O/P Current 1.2A - 2A

    Resolved
    Hi The responsible engineer is out of office now. He will reply by 4/23. Regards EL
    • Answered

  • RE: LM5175-Q1: Efficiency calculation in WEBENCH

    Resolved
    Hi Hideyuki, the result are close to the actual design as most of the parameters are considered. You can also use the quickstart calculator which allows you to adjust more parameters. LM5175QUICKSTART-CALC Best regards, Stefan
    • Answered

  • RE: LM5175: Mosfet Selection Questions

    Resolved
    Hi Ryan, the losses of the Buck low side MOSFET can be calculated with: P_switch.loss = 2 * Deadtime * Fsw * Vsd * I_Out Deadtime can be set to 50ns Vsd = Forward Voltage of MOSFET Body diode I may also use the Quickstart calculator which lets…

  • RE: LM5175: controller self-heating

    Hi Robin, thank you for supporting the LM5175. Could you please attach the filled out LM5175QUICKSTART-CALC to this thread? This will give the best overview on the application setup and requirement. Can you also add some more details on the conditions…

  • RE: LM5175-Q1: Not getting output and VCC

    HI Akhil, can you please fill the design details and the MOSFET parameters into the quickstart calculator: https://www.ti.com/tool/download/LM5175QUICKSTART-CALC and share it here. Can you also share the schematic. Please let me also know what…

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