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  • LM5140-Q1: Does it have any errata sheet？

    Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM25143-Q1 , LM5143A-Q1 Hi Ti team， We are checking all ICs in our BOM if they have any errata sheet, does LM5140-Q1 have any errata sheet？
    • Resolved
    • Answered

  • LM5140-Q1: lm5140 overvoltage damage device after it

    Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM25149-Q1 Hi TI engineer， We found 3 boards’ load switch damage which is after LM5140 5V OUTPUT in our project. Each board has two load switch ，both damage. They are low impedance in IN pin…
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    • Answered

  • LM5140-Q1: Efficiency drop with 30A

    Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143 , Dear All, Here are 2 outputs that I'm trying to achieve: Output I Input voltage: 46-54V Output voltage: 12V +/-5% TDP: 250W (30A) OCP: 50A Type: non isolated Ambient: 60C Cooling: ? …
    • Resolved

  • LM5140-Q1: Regulator Design: LM5140-Q1

    TI Thinks Resolved
    Part Number: LM5140-Q1 Hi Team, I'm using LM5140 DUAL Buck controller in my design. The current requirement are: 25A@3.3V, 8A@5V. The calculator tool shows the efficiency of the regulator drops above 20A current for 3.3V output. Attached the values…
    • Answered

  • LM5140-Q1: LM5140Q-1 200V Vin

    Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143-Q1 , Hello TI, Can be used LM5140Q1 IC when Vin is overlimit using by external gate driver and external startup supply? Best Regards,
    • Resolved

  • LM5140-Q1: Dual phase buck controller

    TI Thinks Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143-Q1 , LM25149 , LM25148 Hi Team, My requirement is showing as below. 8~21Vin, 3Vout, Iout 9A We want to find 2-3phase buck controller to achieve the requirement because we want to lower down…

  • LM5140-Q1: LM5140-Q1 output inductor hot

    TI Thinks Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143-Q1 hi, I designed a power solution---24V input, 12V/20A and 5V/5A dual output, the design is below, about 12V output, 1.change current sense resistor from 0.004 to 0.002 2. change inductor…
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  • LM5140-Q1: LM5140-Q1 output current for 12V output/24V input

    Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143 hi, what's the max output current LM5140-Q1 for 12V output/24V input? as we know, it has 2 output, Vout1 and Vout2, so can it output 50A current by parallizing the Vout1 and Vout2? BR …
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    • Answered

  • LM5140-Q1: LM5140 design problem

    Resolved
    Part Number: LM5140-Q1 Hi Support Team , Regarding LM5140, I would like to know the following questions: My customer uses LM5140 to design products, It is found that at 12V output, after the load is connected, the MOS tube is hot seriously and the inductance…
    • Resolved

  • LM5140-Q1: maximum output current

    TI Thinks Resolved
    Part Number: LM5140-Q1 Other Parts Discussed in Thread: LM5143-Q1 , Hi team, Here is a confusing item about LM5140; LM5140 is a external switch buck controller. Since MOS in this converter is external, so how to know the maximum output current of LM5140…

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