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  • LM25148-Q1: Power Dissipation Calculation

    TI Thinks Resolved
    Part Number: LM25148-Q1 Other Parts Discussed in Thread: LM5148 Hi team, Our customer is using attached quickstart calculator to calculate the power dissipation of LM25148-Q1. From the calculator Efficiency is calculated as 89.1% and total Pd is cal…
    • Answered

  • LM25148-Q1: Regarding secondary phase OCP hiccup disable in dual phase operation

    Resolved
    Part Number: LM25148-Q1 Hello Orlando, To our question shown in the link below, you answered as follows. "Yes, the primary phase is the phase that controls hiccup. The secondary phase has hiccup purposely disabled, and won't hiccup independent of…
    • Resolved

  • LM25148-Q1: Max MOSFET gate charge at 2.1 MHz

    TI Thinks Resolved
    Part Number: LM25148-Q1 Hi team, my customer is looking into LM25148-Q1 in single phase configuration to regulate a 3V3 rail from a 12 V car battery. Targeted output current is ~16 A. The question cam up: What is the max power MOSFETs gate charge the controller…

  • LM25148-Q1: BOOT UVLO operation

    TI Thinks Resolved
    Part Number: LM25148-Q1 Hello support team, Please tell me about the operation when BOOT UVLO is detected. (V BOOT-SW drops to 2.5V) What if the VIN is low and V BOOT-SW does not recover to 2.7V? Thanks,
    • Answered

  • LM25148-Q1: Difference from LM25149-Q1

    Resolved
    Part Number: LM25148-Q1 Other Parts Discussed in Thread: LM25149-Q1 , Hello Team, I have question about LM25148-Q1 vs LM25149-Q1. Q. Are these difference only without AFE(LM25148-Q1) and with AEF(LM25149-Q1)? Q. For dual-phase operation, can we use LM25149…
    • Resolved

  • LM25148-Q1: What is the requirement of MOS?

    TI Thinks Resolved
    Part Number: LM25148-Q1 Other Parts Discussed in Thread: CSD18511Q5A , LM25149-Q1EVM-2100 , CSD18503Q5A , LM25148 , LM25149 , LM25149-Q1 Hi team, As the title, could you kindly tell me what is the requirement of MOS? Do we have some recommended mos? Thanks…
    • Answered

  • LM25148-Q1: FET selections and stocked parts

    Resolved
    Part Number: LM25148-Q1 Other Parts Discussed in Thread: CSD18512Q5B , , LM5148-LM25148DESIGN-CALC Hi Using this part in power designer with the following design criteria: 20-28V Vin 12V Vout 4A Iout 125DegC operating This will suggest for instance F…
    • Resolved

  • RE: LM5117: LM5117PMHE/NOPB

    Hello Ramaprasad Please consider: LM25148-Q1 Automotive 42-V synchronous buck DC/DC controller with ultra-low IQ https://www.ti.com/product/LM25148-Q1 LM25149 42-V synchronous buck DC/DC controller with ultra-low IQ & integrated active EMI filter https…
    • Answered

  • LM5146-Q1: The difference of the bode plot generated by the quickstart and webdesigner

    Resolved
    Part Number: LM5146-Q1 Other Parts Discussed in Thread: LM5146 , CSD17304Q3 , CSD17573Q5B , LM5145-Q1 , LM25145 , LM25148-Q1 Hi team, I am using LM5146 for design, which requires input 12v and output 2v@10A. The reference design obtained by using webdesigner…
    • Resolved
    • Answered

  • LM25148: Vout drop above 3 Amps

    Resolved
    Part Number: LM25148 Other Parts Discussed in Thread: LM25149-Q1 Hello, I've designed a board with LM25148 to reach 5V out @ 8A with 15V in. I've used the datasheet and WebEnch to create the design. I'm testing the design with an electronic load…
    • Resolved

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