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Showing 47 results View by: Thread Post Sort by
  • LM25149-Q1EVM-2100: Bode plot quetion

    Yian Luo
    Yian Luo
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Tool/software: Hi team, I used Bode100 to test frequency response of EVM. Vin=18V, 8A-resistive load, and the phase starts from -10° and reach 80° at cross frequency, which is only 29kHz. Could you help explain…
    • 8 months ago
    • Power management
    • Power management forum
  • LM25149-Q1EVM-2100: Modified evaluation board failed during testing

    Chris Poulsen
    Chris Poulsen
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25149 Tool/software: I am trying to figure out what I did to kill my LM25149-Q1EVM-2100. I want to use the LM25149 as a battery charger for a 12 Volt SLA battery. For that I need an output…
    • 11 months ago
    • Power management
    • Power management forum
  • LM25149-Q1EVM-2100: output voltage ripple

    Mingkang Song
    Mingkang Song
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25149-Q1 When I measured the output voltage ripple on the LM25149-Q1 EVM board, I found that the ripple is shown below and is not a standard triangle wave like in the user's guide figure…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM25149-Q1EVM-2100: Behavior of short circuit protection

    Gilbert Lien
    Gilbert Lien
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Hi team, My customer is using our LM25149-Q1EVM and do the short circuit protection test by the e-load. for the delay time of ISNS+ is about 65ns, the current limit threshold is 60mV and we use 30V as input, the IL peak…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM25149-Q1EVM-2100: Free Convection Airflow / No Airflow

    Shota Mago
    Shota Mago
    Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25149-Q1 Hi team, What are detail condition of "Free Convection Airflow" and "No Airflow"? LM25149-Q1 EVM User's Guide states "Free Convection Airflow" at Thermal Performance…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM25149-Q1EVM-2100: Testing LM25148 on LM25149 EVM

    Cindy Chang
    Cindy Chang
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25148 , LM25149 Dear expert, Customer is evaluating LM25148/9 and has some questions: 1. Correct me if I’m wrong, LM25148 and LM25149 both share the same EVB which uses LM25149. If I want…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM5143-Q1EVM-2100: How to configure a single output with a 5V15A output from the default state.

    Takashi Miyamoto
    Takashi Miyamoto
    TI Thinks Resolved
    Part Number: LM5143-Q1EVM-2100 Other Parts Discussed in Thread: LM5143 I would like to know the detailed steps to take the board from its default state to a single output with a 5V15A configuration. Specifically: The positions of switches The resistors…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM5143-Q1EVM-2100: LM5143-Q1EVM stress problem

    Rock Shao
    Rock Shao
    TI Thinks Resolved
    Part Number: LM5143-Q1EVM-2100 Other Parts Discussed in Thread: LM5143-Q1 , LM5143 Hi Team, My customer tested the LM5143-Q1 EVM and needs to confirm the following problem. The attachment is to measure the Vgs and Vds of Q1&Q3 when measuring 3.3V/7A.…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM25149-Q1EVM-2100: At 6Vin, the 5V output is not regulated for output currents greater than 2.5A

    Alex Goss
    Alex Goss
    TI Thinks Resolved
    Part Number: LM25149-Q1EVM-2100 Other Parts Discussed in Thread: LM25149 , We want to design a 12V->5V circuits that is very efficient from 5mA to 4A. We also want the output to maintain regulation as the input drops down to 5.85V. I looked at the LM25149…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM25149-Q1EVM-2100: LM25149-Q1

    Lisheng Shi
    Lisheng Shi
    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
    • over 3 years ago
    • Power management
    • Power management forum
>

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