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Showing 518 results View by: Thread Post Sort by
  • LM3409-Q1: LM3409-Q1

    senthil kumar
    senthil kumar
    TI Thinks Resolved
    Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi, Iam using LM3409 model for constant current drive, i have set the current for 2.4A, the COFF time as per calculation and measurement is different, can i know in simulation…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409-Q1: LM3409 Current ripple

    Eric Liu(SZ-FAE)
    Eric Liu(SZ-FAE)
    TI Thinks Resolved
    Part Number: LM3409-Q1 Tool/software: Hi Xiaoguang, From my understanding as for the below picture, the current ripple can be reduced by adding the L and reducing the COFT?
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409-Q1: FMEA report for LM3409-Q1

    Manu Chang
    Manu Chang
    TI Thinks Resolved
    Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi team, My customers are asking for LM3409-Q1 FMEA reports, can you share the FMEA report to me or is there any way to got this? BR, Manu
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409: LM3409-Q1

    senthil kumar
    senthil kumar
    TI Thinks Resolved
    Part Number: LM3409 Tool/software: Hi, The LM3409Q we try to simulate LM3409Q in LTSPICE, we get error "Too few nodes ....", and I download spice model from TI own website. When I search why that error arise from, I understand that Spıce Model which…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409-Q1: LM3409-Q1

    senthil kumar
    senthil kumar
    TI Thinks Resolved
    Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi, We are using LM3409 Q in our project, last week we have enquired for LTSpcie model since its an encrypted file,we get reply from TI person for NDA. we are having the NDA…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409-Q1: Vin & ENstart up slew rate

    Manu Chang
    Manu Chang
    Part Number: LM3409-Q1 Hi Expert, Customers are using LM3409-Q1 as the LED driver now. In some of the use case, the are having a very slow slew rate of Vin during start up, like <2V/ms (Nominal Vin=12V). They have concerns when desinging with LM3409…
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • LM3409: LM3409 Pulse operation of LEDs and Higher current design for >= 6A

    kowshik Gudimetla
    kowshik Gudimetla
    Resolved
    Part Number: LM3409 Tool/software: Hi team, We're trying to design a solar panel characterizer LAMP which matches the light wavelengths same as sun and intensity. We have one LED that can take upto 12A ( 12A Green LED ) however we're trying to operate…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM3409-Q1: The current ripple is too large

    hui xu
    hui xu
    Resolved
    Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Hello, I have encountered a problem regarding the LM3409 circuit.. The current ripple of the LED is very large. Through oscilloscope measurement, it was found that the PMOS turned off after…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • LM3409: About LM3409 drive similar DLP5530 RGB three-color light source dimming solution

    jinying liao
    jinying liao
    TI Thinks Resolved
    Part Number: LM3409 Tool/software: We need to drive an RGB three-color lamp and be able to dimmer. The parameters of the three lamps are 3.5V/4A, and VIN is 12V input. Now we want to dimmer the RGB three-color lamp with LM3409 and a MOS tube circuit…
    • over 1 year ago
    • Power management
    • Power management forum
  • DLP4620SQ1EVM: LM3409 sync period

    myungjin song
    myungjin song
    TI Thinks Resolved
    Part Number: DLP4620SQ1EVM Other Parts Discussed in Thread: LM3409 , Tool/software: Hello I have a question about LM3409. 1. In the DLP4620SQ1EVM circuit diagram, Roff and Coff are not connected separately, and the Sync period seems to be set…
    • 11 months ago
    • DLP®︎ products
    • DLP products forum
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