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Showing 22 results View by: Thread Post Sort by
    Answered
  • LM3409HV-Q1: Ripple Voltage and conductive EMI

    Ben Broeker
    Ben Broeker
    Resolved
    Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 , PMP15004 , TPS92515 Hello Group, I have been struggling with this for a bit and wanted to get this question out here. I see a lot of information in these forums, so I am eager to see what…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3409-Q1: If the input voltage of the device changes, will it affect the output voltage or current?

    ? ?
    ? ?
    Resolved
    Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409HV-Q1 Tool/software: Question: LM3409HV-Q1 is used to drive three RGB lights. The front-end of this circuit is connected to a 9V~15V power supply, and the output of the chip is connected to…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • LM3409HV-Q1: The LM3409 Chip generate frequency multiplication audible ringing of PWM input

    blandodo
    blandodo
    Resolved
    Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409HV , LM3409 Dear Sir: I make my own board of led driver wtih LM3409HV, is very similar to the circuit in AN-1953 LM3409HV Evaluation Board, but different layout. When set PWM duty cycle lower…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: LM3406HV: LED-Driver DC/DC for Two Wire Dimming

    Daniel Louis
    Daniel Louis
    You got it! Here are some suggestions: I think this one will be the best fit for your application- TPS92515HV-Q1 Here is another suggestion- LM3409HV-Q Hope this helps. Best, Daniel
    • 8 months ago
    • Power management
    • Power management forum
  • Answered
  • LM3409HV-Q1: LED Driver Minimum EN Switching Frequency

    Doug Edge
    Doug Edge
    Resolved
    Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409HV , LM3409 We have an LED Light Bar design using the LM3409HV driver powered by +48Vdc to run a string of 12 Cree XPL LEDs. The PWM switching frequency of the driver is set at 400KHz (Roff…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3409HV-Q1: current varies with load

    user5861925
    user5861925
    Resolved
    Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 Hi: The product I designed USES the LM3409 chip as the constant current drive source of the relay, which needs to provide about 3.5a constant current of 100mS after power on, and then provide…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • LM3409HV-Q1: PWM question in different LED

    KJ Liu
    KJ Liu
    TI Thinks Resolved
    Part Number: LM3409HV-Q1 Other Parts Discussed in Thread: LM3409 Hi Sir, We used LM3429HV and found if different number of LED series, the current is different in same dimming ratio as attached file,would you please help to check whether the schematic…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3463 Application Support and Alternatives

    Liam Wedekind
    Liam Wedekind
    Resolved
    Other Parts Discussed in Thread: LM3409HV , LM3463 , TPS92830-Q1 Hi, I am looking to replace the LM3409HV chip we use in a design with a multi-channel LED driver. The product has 90 separate high voltage (29-38V) LED strings that need to be controlled separately…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3409HV-Q1 Battery Voltage Drop(Cranking) Capability

    hideyuki sakai
    hideyuki sakai
    Other Parts Discussed in Thread: LM3409HV-Q1 , LM3409 , TINA-TI Dear, Sir. My customer is evaluating LM3409HV-Q1 for LED lighting source on HUD application. As you know, Short time battery voltage drop at engine restart after idling-stop(Cranking)must be…
    • over 9 years ago
    • Power management
    • Power management forum
  • TPS92518HV-Q1: Can TPS92518-Q1 use for headlight of DLP scheme

    Meng Liu
    Meng Liu
    TI Thinks Resolved
    Part Number: TPS92518HV-Q1 Other Parts Discussed in Thread: TPS92518-Q1 , LM3409-Q1 , LM3409 , TPS92518 Hi Expert My customer want to use TPS92518-Q1 for headlight DLP scheme. but in our reference design that used LM3409-Q1. DLP have the TR2 request as below…
    • over 3 years ago
    • Power management
    • Power management forum
>

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