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Showing 25 results View by: Thread Post Sort by
  • LM25148-Q1: Power Dissipation Calculation

    Muwei Zheng
    Muwei Zheng
    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…
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LM25148-Q1: Regarding secondary phase OCP hiccup disable in dual phase operation

    Kiyoshi Koyama
    Kiyoshi Koyama
    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
    • 5 months ago
    • Power management
    • Power management forum
  • LM25148-Q1: Max MOSFET gate charge at 2.1 MHz

    Dierk Bronner
    Dierk Bronner
    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…
    • 6 months ago
    • Power management
    • Power management forum
  • LM25148-Q1: BOOT UVLO operation

    Kiyoshi Koyama
    Kiyoshi Koyama
    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,
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM25148-Q1: Difference from LM25149-Q1

    Yuta Kurimoto
    Yuta Kurimoto
    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
    • over 1 year ago
    • Power management
    • Power management forum
  • LM25148-Q1: What is the requirement of MOS?

    Jiawei Hu1
    Jiawei Hu1
    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…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM25148-Q1: FET selections and stocked parts

    Jon Eirik Sternang
    Jon Eirik Sternang
    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
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: LM5117: LM5117PMHE/NOPB

    EricLee
    EricLee
    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…
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • LM5146-Q1: The difference of the bode plot generated by the quickstart and webdesigner

    suy
    suy
    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
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • LM25148: Vout drop above 3 Amps

    Jean-Yves LUX
    Jean-Yves LUX
    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
    • 1 month ago
    • Power management
    • Power management forum
>

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