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  • LM5148: LM5148

    Resolved
    Part Number: LM5148 When testing the MOS driver Vgs of SW, we found a slight short circuit phenomenon in the upper and lower bridge MOS drivers. At the same time, when testing the DEMO board you provided, there were also some phenomena. Can we solve them…
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    • Answered

  • LM5148-Q1: LM5148-LM25148DESIGN-CALC - Buck Inductance

    Resolved
    Part Number: LM5148-Q1 Other Parts Discussed in Thread: LM5148 , LM5149 Hello, I'm currently using the LM5149-LM25149 Calculator for the LM5148 Buck Converter (as the LM5148 one's is not available). For the buck inductance calcul, I followed the…
    • Resolved

  • LM5148-Q1: Voltage Regulation and full load working issue - LM5148-Q1

    Part Number: LM5148-Q1 Hi, I am trying to build a buck converter of rating: Input Voltage: 40-60V Output Voltage: 13.8V Output Current: 10A (Max) Following are the Issues faced while testing: No-Load losses are increasing with increase of input voltage…

  • LM5148: Application issues

    TI Thinks Resolved
    Part Number: LM5148 Hi, LM5148 has high noise, with a load of 1-8A and ripple levels ranging from 150mv to 200mv. What is the reason for this? Thank you!

  • LM5148-Q1: LM5148-Q1

    TI Thinks Resolved
    Part Number: LM5148-Q1 Other Parts Discussed in Thread: PSPICE-FOR-TI , LM25149 Hello, Hello, I want to use the LM5148-Q1 in a Buck converter, for this I would like to use the LTspice model. I could not find it on the main product page, is this something…

  • LM5148-Q1: Issue with Switching Transient

    Part Number: LM5148-Q1 Hi, Please find the attached Gate pulse and Output Graph Images of a DC-DC converter :40V-60V Input, 13.8V/10A Output. As you can see there are Transients up to 4-5V in the output when ever the MOSFET is switching, Although…

  • LM5148: Application issues

    TI Thinks Resolved
    Part Number: LM5148 Hi, Debugging LM5148, with an output voltage of 7.4V and a load of 6A, and an input voltage of 7.5V to 8.1V, the waveform of SW is incorrect, with irregular square waves. As shown in the following figure, the waveform of frequencies…

  • LM5148-Q1: switching frequency Mismatch and Inductor heating

    Part Number: LM5148-Q1 Hi, We are designed a step down circuit using LM5148-Q1 as buck controller. Vin =48V, Vout = 13.5V, Iout max 10A, Inductor used 8uH (Inductor DCR 6mOhm, Max dc current 13A) We set the switching frequency 500KHz by Rt resistor value…
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  • LM5148: LM5148RGYR Where is the land pattern for this part? It's not in the datasheet.

    Resolved
    Part Number: LM5148 where is the land pattern for the LM5148RGYR (VQFN-24 RGY package). It is not in the datasheet. thx
    • Resolved

  • LM5148-LM25148DESIGN-CALC: LM5148-LM25148DESIGN-CALC download page is empty

    TI Thinks Resolved
    Part Number: LM5148-LM25148DESIGN-CALC Other Parts Discussed in Thread: LM5149 , LM5148 I would like to download LM5148-LM25148DESIGN-CALC, but visiting the download page does nothing. Could the document be uploaded here or the webpage fixed?

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