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Showing 155 results View by: Thread Post Sort by
    Answered
  • TPS40055: KFF pin for large duty cycle applications per SLUA310

    Nathan Wineera
    Nathan Wineera
    Resolved
    Part Number: TPS40055 Other Parts Discussed in Thread: LM5146 , LM5145 , I have an application in which Voltage Feedforward needs to be disabled due to limitation of maximum duty cycle as a result of programmable UVLO. I have followed SLUA310 for this…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS40055: Please review the schematic, and have a question.

    Chase Jeong
    Chase Jeong
    TI Thinks Resolved
    Part Number: TPS40055 Other Parts Discussed in Thread: TPS40057 Hello TI experts, My customer now check the schematic of TPS40055. Could you review the schematic first? and they have a problem that sometimes the output is not detected even input…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS40055: Question about gate resistance for ON/OFF.

    David Kim2
    David Kim2
    TI Thinks Resolved
    Part Number: TPS40055 Hi There is usually resistance to the GATE of MOSFET. However, there is no gate resistance in the circuit of the TPS40055. Why is there no resistance? Thanks
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS40055: Zero power dissipation

    Danilo A.
    Danilo A.
    Resolved
    Part Number: TPS40055 Hi Team, Can you please help us with our customer's inquiry below? I n datasheet page 5 test conditions "TA = –40°C to 85°C, VIN = 24 Vdc, RT = 90.9 kΩ, IKFF = 150 μA, fSW = 500 kHz, all parameters at zero power dissipation"…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS40055: How does it work if it's thermal shutdown of TPS40055?

    David Kim2
    David Kim2
    Resolved
    Part Number: TPS40055 Hi I have questions as below. How does it work if it's thermal shutdown? auto-recovery or latch? Thanks
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS40055: P2P replacement scheme

    HY yang
    HY yang
    TI Thinks Resolved
    Part Number: TPS40055 Other Parts Discussed in Thread: LM25145 , LM5146 , LM5145 Is there a P2P replacement scheme for tps40055pwp? The current and voltage can be different. Our customers use this IC, but they can't buy it at present and are eager to…
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS40055: Looking for replacement

    Israel Aminov
    Israel Aminov
    TI Thinks Resolved
    Part Number: TPS40055 I'm looking for direct replacement for TPS40055PWP (no stock anywhere) Can we use TPS40055MPWPREP instead?
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS40055: Question about change the current limit point.

    David Kim2
    David Kim2
    TI Thinks Resolved
    Part Number: TPS40055 Hi I wanna change the current limit point. I did it like a calculation formula, but it can't be changed. Therefore, there is no change even if the ILIM resistance is changed to 1Kohm~10Mohm. Do I have to change other parts…
    • over 4 years ago
    • Power management
    • Power management forum
  • TPS40055: Question about abnormal waveform.

    David Kim2
    David Kim2
    TI Thinks Resolved
    Part Number: TPS40055 Hi Below is the waveform at the start and the next waveform is the middle magnification. Why is Vds over? Let me know if there is a way to improve it. -condition- input: 15~20V output: 5V -sch- Thanks
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS40055: SwitcherPro Design Report for TPS40055 25V to 7V @ 15A incorrect

    Austin Greisman
    Austin Greisman
    Resolved
    Part Number: TPS40055 Hello, I've spent the last five months designing and creating the attached SwitcherPro Design schematic using the TPS40055. After many weeks of debugging, I've found that your generated design has some faults. I'm hoping someone…
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
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