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  • RE: TPS5450: TPS5450 can TPS5450 sink current, if yes, how much?

    Resolved
    I have a 12VDC wall adapter power supply. and from it I need to generate 5.5VDC VIN.. Then VIN to VOUT with TPS63070 . To generate VIN of 5.5vdc, what can I use? TPS5450 or TPS54625 or TPS63070? Not sure the limitations. According to your logic above, the…

  • TPS5450: TPS5450 Internal compensation network

    TI Thinks Resolved
    Part Number: TPS5450 Hi Team, I see the compensation network of TPS5450 (Figure 1, it has internal Z1 & Z2) differs from the common compensation network we see usually (Figure 2, external RC on the top fb resistor). could you tell me the parameter of…
    • Answered

  • TPS5450: TPS5450 Hiccups issue

    Resolved
    Part Number: TPS5450 Hi Team, it seems I met a similar issue as https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/216974/tps5450-hiccup-mode Issues and behaviors are (Note: The TPS5450 is designed for 18V nominal…
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    • Answered

  • TPS5450: Design help with inductor

    Resolved
    Part Number: TPS5450 Hi Experts, Seeking your assistance on this query: We have planned to use TPS5450DDA part in our design. We have calculated the minimum inductance & it has 15uH. Shall we use 22uH? Is it slow down the feedback loop system? Thank…
    • Resolved

  • TPS5450: Minimum Value of Boot Cap

    TI Thinks Resolved
    Part Number: TPS5450 Dear Specialists, My customer is considering changing the boot cap and has a question. I would be grateful if you could advise. --- According to the datasheet P15 8.2.2.7 Boot Capacitor, it states that the boot capacitor should be…
    • Answered

  • TPS5450-EP: Height Above Seating Plane Tolerance

    Resolved
    Part Number: TPS5450-EP Hi Team, The datasheet only shows a 1.7mm max height above seating plane of the TPS5450-EP SO PowerPAD package . Does it have tolerances (min/max values)? Thanks in advance! Kind Regards, Jejomar
    • Resolved

  • TPS5450: -12V / 3.5A Output Schematic Review

    TI Thinks Resolved
    Part Number: TPS5450 Other Parts Discussed in Thread: LM61460 , , LM76005 Hi TI, I would like to use TPS5450DDAR as -12V/3.5A output. Can help to review my schematic? Thanks. Best regards, Syukri

  • TPS5450: Components Aging / degrading factor

    TI Thinks Resolved
    Part Number: TPS5450 Hello Experts, I would like to know about the the components ageing, failure rate or reasons for the failure for all of the TI's IC's. Is there any data available for this wherein we can predict life expectancy of the IC's or even…
    • Answered

  • TPS5450: TPS5450

    Resolved
    Part Number: TPS5450 We designed an add on card with TPS5450 to supply a RPi 4 with 5V. We use 24V in. Unfortunately the entire batch (1k) had to be replaced with off the shelf DC/DCs from China. We are now planning for the next batch and notice that…
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    • Answered

  • TPS5450: inverted and non inventer supply using TPS5450

    Resolved
    Part Number: TPS5450 Other Parts Discussed in Thread: LM61460 , , TPS54060 dear expert, can you please cross-check the following PSU is according to the datasheet. is there any problem with GND for -15V ? TIA....
    • Resolved

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