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  • LM25149-Q1: How to disable the AEF?

    TI Thinks Resolved
    Part Number: LM25149-Q1 Tool/software: Hi, I want to disable the AEF, just to compare the EMI measurement results. I am trying to do it by connecting a jumper pin between CNFG and GND AFTER startup. But it does not seem to work. What am I missing? EDIT…

  • LM25149-Q1: simulation not enabled for this design

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 , LM25148 , , LM25148-Q1 Tool/software: Hi everyone, I am trying to simulated LM25149-Q using WEBbench tool but it is showing the "simulation not enabled for this design". So, please let me…
    • Answered

  • LM25149-Q1: Design Review

    Resolved
    Part Number: LM25149-Q1 Hi Team We are planninng to use the LM25149-Q1 as a for 16.8V 5A CCCV Charger. I have the calculator and Webench design ready and i have a few doubts and the numbers are not matching on both the the quickstart tool and Webench. If…
    • Resolved

  • LM25149-Q1: Disabling Spread Spectrum (DRSS)

    TI Thinks Resolved
    Part Number: LM25149-Q1 Tool/software: Hi, I have a few questions regarding the LM25149-Q1. Is DRSS disabled by placing a 24,9k or 29,9k ohm resistor at CNFG? The application examples in the datasheet show a 24,9k ohm resistor and the table of configuration…

  • LM25149-Q1: 200 kHz switching frequency

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25148-Q1 , Tool/software: Hi, I'd like to go as low as 200 kHz (switching frequency). 5 V, 2 A output. I do not have any specific requirments when it comes to peak-to-peak current and such. What…

  • LM25149-Q1: Different grounds in active EMI filtering

    TI Thinks Resolved
    Part Number: LM25149-Q1 Tool/software: Hi, The datasheet for LM25149Q-1 shows two typical applications. One for 2.1 MHz switching frequency and one for 440 kHz. Cinc is grounded using two different ground references for the two designs. Cinc in the 2.1…

  • LM25149-Q1: I would like to know Enable voltage falling threshold of LM25149-Q1.

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hi team, The LM25149-Q1 data sheet lists a Enable voltage rising threshold(VEN-HIGH) of 1.0V (typical). Is there the Enable voltage falling threshold value(–40 to 150 degree)? Is it…
    • Answered

  • LM25149-Q1: About peak source current and peak sink current of LM25149-Q1.

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hi team, Do we have min and max "HO(LO) peak source current" and "HO(LO) peak sink current" value for LM25149? Cause I only see there is typical value on datasheet. Please…
    • Resolved
    • Answered

  • LM25149-Q1: I would like to know min value of deadtime of LM25149-Q1.

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hi team, Do we have min deadtime value for LM25149? Cause I only see there is typical value on datasheet. regards,
    • Resolved

  • LM25149-Q1: Inquiry about different IC for my new design those ICs should pass EMC and EMI test

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: TINA-TI , LM61480-Q1 , LM5175 , LM5176 , LM5177 Tool/software: HI everyone, We are using a delta 450 W brick which will convert 48 V to 24 V, 16 A. After this the following requirements to meet, 1. …

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