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Showing 407 results View by: Thread Post Sort by
    Answered
  • TPS54620: Loop stability compensation

    liping pan
    liping pan
    Resolved
    Part Number: TPS54620 Tool/software: Hello, Question for below: 1) In the error amplifer, how to read the phase margin? I suppose it should go to -180, but it's not. 2) For the control loop, what's specfic in schematic? I suppose it should be the…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • TPS54620: Odd failure observed in TPS54620

    Bill Batty
    Bill Batty
    TI Thinks Resolved
    Part Number: TPS54620 I have been trying to track and debug an extremely odd system failure on a PCIe add in card and after a long frustrating incremental process of debug have determined that at least one of the points of failure is in the power system…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS54620: TPS54620 fault related issues

    jeno.zhang
    jeno.zhang
    TI Thinks Resolved
    Part Number: TPS54620 Hi, Is there a document explaining the fault mode of TPS54620? such as the impact of short circuits or open circuits on the output of each pin. Thanks!
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS54620: Conducted EMI fail with DC/DC buck

    Martin Vit
    Martin Vit
    TI Thinks Resolved
    Part Number: TPS54620 Tool/software: Hello, We are using TPS54620 in one of our project for avionic. We need pass conducted and radiated EMI according standard RTCA-DO160 Cat M. Unfortunately we did not pass conductive limits at frequencies 749kHz…
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS54620: TPS54620 WEBENCH Design Components keep changing back to recommended

    Chuck Sampson
    Chuck Sampson
    Resolved
    Part Number: TPS54620 I am trying to analyze an existing dc-dc converter to redesign it. Webench keeps changing the component values back. Is there anyway to analyze a custom design on Webench?
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS54620: TPS54620 EN deglitch filter

    Neo.Wang
    Neo.Wang
    Resolved
    Part Number: TPS54620 Hi TI experts, In our design, there is an uncontrollable high pulse (3.3V) applied to EN pin before normal power up sequence starts. The pulse width is about ~10ns. Is there any deglitch filter inside TPS54620 EN pin which can…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS54620: Vout is only about 0.8V?

    Yue Wong
    Yue Wong
    Resolved
    Part Number: TPS54620 Tool/software: I tried to use tps54620 to power the FPGA,but the 1.8V output is only about 0.8V, and the COMP pin is a sawtooth wave?I used to use it in other borad,the Vin is 12V,it works well。This time I change thne Vin to…
    • Resolved
    • 10 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS54620: How to choose TPS54620 EN pin Vstart and Vstop

    Brian Li
    Brian Li
    Resolved
    Part Number: TPS54620 Hi team, My customer is using our TPS54620. Could you please kindly help check below two questions: 1. How to choose TPS54620 EN pin Vstart and Vstop ? 2.Vstart and Vstop means which pin's voltage? ( Ven or Vin ) Thanks…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS54620: Differences between TPS54620RHLR & TPS54620RGYR.

    manoj balakrishnan
    manoj balakrishnan
    TI Thinks Resolved
    Part Number: TPS54620 Tool/software: Hi Experts , What is the difference between TPS54620RHLR & TPS54620RGYR ? I have checked the technical specs of both there is no differences and have same package code. Can we use HLR for GYR part ? Technically…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS54620: 输出只有0.8V左右?

    Yue Wong
    Yue Wong
    Part Number: TPS54620 Other Parts Discussed in Thread: TPS53355 Tool/software: 使用前级5.2V作为输入,tps53355输出1.0V,tps54620输出1.8V,3.3V,1.5V,1.0V有输出, 1.8V输出只有0.8V左右,COMP引脚是锯齿波,请问是什么原因导致的?
    • 10 months ago
    • Power management
    • Power management forum
>

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