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  • LM3644: Torch enable with hardware PIN without accessing the enable register

    Resolved
    Part Number: LM3644 Tool/software: Hi All, We are using LM3644 flash/torch LED driver along with the camera connected on the same CCI bus. In non-camera application, we have to enable torch. since camera is not connected, CCI bus is down which will…
    • Resolved

  • LM3644: Issue with Bulk Capacitor on OUT pin of IC - LM3644YFFR

    Part Number: LM3644 Tool/software: Hello TI team, We came across a query posted on the E2E forum regarding the adding of bulk capacitors at the C1-OUT pin of the IC- LM3644YFFR. You can find more details in the following link: LM3644: Is it safe to…

  • 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…

  • LM3645EVM: I got the LM3645 EVM, will LM3644 GUI works for the LM3645?

    Part Number: LM3645EVM Other Parts Discussed in Thread: LM3645 , LM3644 , USB2ANY Tool/software: I got the LM3645 EVM wanted to make sure whether LM3644 GUI works for LM3645 as well? as I couldn't find LM3645 GUI on the TI website.
    • 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 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

  • LM3644 stability test

    Other Parts Discussed in Thread: LM3644 Hey I want to do a stability test to the LM3664 using FRA(bode100), what is the right way to do this measurement? thanks

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