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  • LM5149-Q1EVM-400: Request for Complete LM5149 Design Files

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    Part Number: LM5149-Q1EVM-400 Other Parts Discussed in Thread: LM5149 Hi, Could you please provide the complete LM5149 design files, including the schematic, PCB layout, and any related documentation? Thanks.
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  • LM5149: The design review for LM5149

    TI Thinks Resolved
    Part Number: LM5149 Other Parts Discussed in Thread: LM5146 , LM5145 Hi, Please kindly review our schematic diagram and PCB layout and check if there are any error ,thanks.

  • LM5149: We would like check LM5149 OCP behavior and alternative solutions

    TI Thinks Resolved
    Part Number: LM5149 Other Parts Discussed in Thread: LM5117 Hello Expert: My customer Foxconn want to use LM5149, they need OCP behavior using latch not cycle by cycle current limit function, I saw LM5149 seems not latch function , can you give us suggesion…

  • LM5149: Trying to charge super capacitors using LM5149 starting from 0V in CC mode to 5V.

    Part Number: LM5149 I have an evaluation module "LM5149QRGYRQ1-EVM-2100" that I am trying to use for charging super capacitors. The device should operate in constant-current mode (~10A evaluation setting). However, when I power it up (24Vin, 4A power…

  • LM5149: Question about LM5149 working with amplifiers

    TI Thinks Resolved
    Part Number: LM5149 Other Parts Discussed in Thread: LM5148 , LM5190 , LMG1210 , LMG708B0 Hello, I noticed that in TI Appication note SNVAA85( https://www.ti.com.cn/cn/lit/an/snvaa85/snvaa85.pdf?ts=1692675994152&ref_url=https%253A%252F%252Fcn.bing.com…
    • Answered

  • LM5149-LM25149DESIGN-CALC: Having issues with simulating LM5149 in OrCAD CAPTURE CIS

    Resolved
    Part Number: LM5149-LM25149DESIGN-CALC Other Parts Discussed in Thread: LM5149-Q1 , LM5149 , LM5145 , LM5148 Part Number: LM5149-Q1 Simulation Tool: OrCAD PSpice (Version 25.1.0) Design Files: Official TI PSpice Transient Model (snvmcb8) Title: LM5149…
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    • Answered

  • LM5149-Q1: LM5149 Vout dropping to zero periodically during heavy load

    Resolved
    Part Number: LM5149-Q1 Hi TI! I've designeed a dual-phase regulator using the LM5149-Q1 device. Under moderate load (<10A) the regulator performs well. When the load is increased to ~12A and the regulator has been turned on for around 1 minute, Vout…
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    • Answered

  • LM5149:   LM5149：LM5149 -40℃

    Resolved
    Part Number: LM5149 Tool/software: Good afternoon, I use LM5149 to design a 24V to 12V, 5V, 3.3V 10A circuit, 4mΩ detection resistance, it is ok at normal temperature, now in the -40 degree environment start, can only reach 5A, trigger protection, and…
    • Resolved

  • LM5149-Q1: negative current problem with LM5149

    Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM5149 Tool/software: Hi team, My customers now are trying to use LM5149-Q1 as TEC controller with a bidirectional current by adding a switch between Vin and Vout and another switch between load…

  • LM5149: LM5149: Active EMI Filter and allowed capacitors in µF and ESR at the input

    TI Thinks Resolved
    Part Number: LM5149 Hello, we use the following circuit with the LM5149, the input with 24 V (18 .. 32 V), the common mode choke with 20 .. 80 mOhm, 2 x 100 µF elektrolyt with max 300 mOhm per capacitor. The schematic for the green box – with the…

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