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  • TPS54339: Output debounce when Vin drop

    TI Thinks Resolved
    Part Number: TPS54339 Hi Sir, My cusotmer use TPS54339 for 12V to 5V application. Please check the waveform below. The left pic is the waveform as about circuit. The right one modify C85 to resistor for changint EN voltage level. Would you please helping…

  • TPS54329: replace device for TPS54339

    TI Thinks Resolved
    Part Number: TPS54329 Other Parts Discussed in Thread: TPS54239 , TPS54339 , TPS54327 , , TPS54328 Hi Sir, My customer would like to use TPS54329DDAR to replace TPS54339DDAR since the device shortage. TPS54239 is an older device than TPS5433, right? The design…

  • TPS54339: Soft Start Control, Shortest Start Up Time

    TI Thinks Resolved
    Part Number: TPS54339 Hi, Are there minimum capacitance values or minimum start up times for this part? When I try to use a capacitor that is smaller than 6.2nF, the start up starts to look parabolic (left side of an upside down U) instead of a straight…

  • TPS54339: TPS54339 Output voltage -5V function issue

    Part Number: TPS54339 Other Parts Discussed in Thread: TPS54335A , The following is the TPS54335A 5V to -5V circuit Can TPS54339 use this circuit to achieve the -5V function?

  • TPS54339: large output capacitor value

    TI Thinks Resolved
    Part Number: TPS54339 Other Parts Discussed in Thread: TPS54361 , TPS54360 Hi all My customer has a design with the TPS54339, the spec is: 7V … 18V => 3.8V / 2.8A peak They have an additional load capacitor of 450uF. Can you comment if thats…
    • Answered

  • TPS54339: the voltage of the output and VFB pin is lower than expected

    Resolved
    Part Number: TPS54339 hello, here is my Schematic: input voltage is 12V, expected 3.3V output. but now I get about 1.5V from the output, 0.35V from the VFB pin's. and another board I get about 1.6V from the output, 0.375V from the VFB pin's. many…
    • Resolved
    • Answered

  • TPS54339 Input side tantalum capacitor blows when 5V is applied to output

    Resolved
    Other Parts Discussed in Thread: TPS54339 Hi I am using TPS54339 for converting 12V supply to 5V. Circuit has options for both 5V and 12V input power connectors. 5V connector is connected to output of TPS54339 after inductor. Circuit performs without any…
    • Resolved

  • tps54339 current limit

    Hi, Please advice if possible to limit the current? as noted, it is for max 3A as a default, can we limit it to 1.5A? if so, can you suggest how to do it? Thank you in Advance,

  • I'm getting an error while trying to import some spices into TINA-TI, whats the solution please?

    TI Thinks Resolved
    Other Parts Discussed in Thread: TINA-TI , LM3880 , TPS54339 , TPS2420 , LM380 Tool/software: TINA-TI or Spice Models Hi, I'm getting an error while trying to import LM3880 into TINA-TI, the error says: invalid device: $CDNENCSTART.Line: #62. $CDNENCSTART…
    • Answered

  • TPS2372: Multipble voltages

    Resolved
    Part Number: TPS2372 Other Parts Discussed in Thread: TPS54339 , BQ24773 , , PMP11254 , TPS23751 Hi, I have a new project which needs to be feed by POE(24W). I need three internal voltages 12V6(battery charge), 3V8 and 3V3. I'm looking at TPS2372, bq24773…
    • Resolved

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