Search tips
Showing 94 results View by: Thread Post Sort by
    Answered

  • LM3644: output voltage adjustment

    Resolved
    Other Parts Discussed in Thread: TPS92201 1.Want to ask the adjustment logic of the LM3644TT LED drive output voltage, would that be appropriate for the scenario we need now? What happen when VIN>VOUT? Is VOUT similar to the mode of bypass? (The input…
    • Resolved

  • LM3644: LM3644 Torch mode Setting

    Part Number: LM3644 Tool/software: Hi All, We used the LM3644 to drive LED in Torch mode. But we find the torch mode can't be set at some devices. We have checked the schematic, the Torch pin and Strobe pin are floating. Do those two pins need to…

  • LM3644: LM3644 address question

    TI Thinks Resolved
    Part Number: LM3644 Tool/software: hi Team, Could you help check is there any extra address available for LM3644? (I2C Address = 0x63) thanks!
    • Answered

  • LM3644: Is it safe to add bulk capacitance on OUT in mF range for pass-mode operation?

    Resolved
    Part Number: LM3644 Tool/software: Hi, We are using the LM3644YFFR to drive an IR projector and are seeking advice on any unwanted effects of placing a large bulk capacitance on the OUT pin. In our design the LM3644 will be operating in IR mode, but…
    • Resolved

  • LM3644: VCSEL driver with PhotoDiode(PD) detection function

    Part Number: LM3644 Tool/software: Hi I'm looking for a VCSEL driver with photodiode(PD) detection function. Since VCSEL is a high-power density light source, PD is needed to detect whether the VCSEL package is damaged, causing laser light to overflow…
    • Answered

  • [FAQ] Differences between LM3643, LM3643A, LM3644 and LM3644TT

    Resolved
    Other Parts Discussed in Thread: LM3643 , LM3644 What are the differences between LM3643, LM3643A, LM3644 and LM3644TT?
    • Resolved

  • RE: LM3644 stability test

    Hi Omry, Sorry, but the LM3644 cannot do the loop test, because it is an internal compensation device. thanks! BRs, Ives Li

  • LM3644: Keep ON state

    Part Number: LM3644 Other Parts Discussed in Thread: TPS92201 Hello Expert, Is there a way to keep ON at FLASH and IR MODE regardless of TIME OUT? Isn't it possible? Best Regards, Michael

  • LM3644: On the Control of Pins

    TI Thinks Resolved
    Part Number: LM3644 Regarding the LM3644YFFR LED driver, would you like to confirm if it is our main control unit that can be disconnected from the B2/C2/C3/D2 pins, And completely using I2C for control? The specification states that the function of LM3644…

  • LM3644: Illumination LED drivers Selection

    Part Number: LM3644 Other Parts Discussed in Thread: TPS922055 , TPS923655 Hi Dear, The customer is looking for Illumination LED drivers, which are industrial cameras. The specific requirements are as follows“” 3A or above driving current,…

Didn't find what you are looking for? Post a new question.