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  • LM25149-Q1: How big can Cinj be for AEF?

    Resolved
    Part Number: LM25149-Q1 Hello, I'm trying to switch at a slower frequency with high attenuation. After using equations #26 in the data sheet, I was noticing that the capacitance values can get pretty high . Is there an upper limit on how big I can make…
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    • Answered

  • LM25149-Q1: CNFG range

    Resolved
    Part Number: LM25149-Q1 Hi team, Could you advise the tolerance of CNFG input? I would like to calculate the resistor tolerance to connect to CNFG. regards,
    • Resolved
    • Answered

  • LM25149-Q1: battery momentary drop

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hi team, Could you advise if LM25149-Q1 power up to pre-biased output without abnormal voltage on output? I concern "momentary drop of the car battery" condition, The shortest…
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  • LM25149-Q1: PFM/SYNC dynamic control

    Resolved
    Part Number: LM25149-Q1 Hi team, How is LM25149-Q1 output behaves if it changed from diode emulation mode to FPWM mode on the fly using PFM/SYNC pin control at light load (DCM) operation, or vice versa? I would like to make sure OUT voltage is stable…
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  • LM25149-Q1: Design support

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hi team, I am designing LM25149 dual phase circuit. Could you please help answer my questions below? #1. When Active EMI filter is not in use, how should I terminate them? NC is OK? #2…
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  • LM25149-Q1: PSpice Simulation Troubles

    Resolved
    Part Number: LM25149-Q1 Hello, I'm trying to replicate this WeBench circuit in PSpice, but am encountering errors. Here is the Webench circuit: Here is the PSpice layout: Here is the error when I try to run the simulation (N04654 is the wire…
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  • LM25149-Q1: PSpice Simulation Won't Converge

    Part Number: LM25149-Q1 Hello, I'm pretty new to PSpice, but what I'm trying to do with the below circuit is run a line test that waits until the system has reached 6V, jumps to 17V quickly, and then measures how the system responds. Here is…
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  • LM25149-Q1: SYNC signal input timing

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Hello Team, Thanks for your support. In the previous thread, it is recommended that applying SYNC signal before LM25149 startup. Q. Is it OK "VIN powers up => SYNC input => EN turns high"…
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    • Answered

  • LM25149-Q1EVM-2100: LM25149-Q1

    Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25149-Q1 Hi Team, 1. Do you have a reference schematic with dual-phase operation? 2. How to build a dual-phase board by modifying 2 LM25149-Q1 EVMs? Thanks, Lisheng
    • Resolved

  • LM25149-Q1: PSPICE MODEL FOR LM25149-Q1

    TI Thinks Resolved
    Part Number: LM25149-Q1 Hello team, I am using LM25149-Q1 in my project application and I need SPICE model of the part for further analysis. Kindly provide the same Thanks and Regards, Anne

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