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Showing 55 results View by: Thread Post Sort by
    Answered
  • TPS549B22: can I directly replace the TPS548B22 as a 2nd source

    user5968756
    user5968756
    Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS548B22 Hi Expert, I use the TPS548B22 and we face a shortage of that part, Can i directly use the TPS549b22 as a 2nd source? Thanks. I check the datasheet, i found 2 difference. 1. pin1,2,3 will…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • TPS549B22: pmbus function of TPS549B22

    Feng bin Su
    Feng bin Su
    Part Number: TPS549B22 Other Parts Discussed in Thread: USB-TO-GPIO Hi team, My customer is evaluating our TPS549B22. They can not detect TPS549B22 on the I2C bus. The measurement waveform is shown below. The address is 0x10. (1.78k pull down) And…
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] TPS549D22: Can the PMBus circuits in the TPS549B22 / TPS549D22 support 1.8V pull-up termination voltage?

    Peter James Miller
    Peter James Miller
    TI Thinks Resolved
    Part Number: TPS549D22 Other Parts Discussed in Thread: TPS549B22 , Question: Can the PMBus pins on the TPS549B22 and TPS549D22 support a 1.8V I/O termination voltage for the pull-up resistors? Answer: The TPS549B22 and TPS549D22's PMBus pins are designed…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS549B22: TPS549B22 ripple difference.

    Shinu.V.Mathew
    Shinu.V.Mathew
    TI Thinks Resolved
    Part Number: TPS549B22 Hi Team, My customer is having query on TPS549B22 simulation. Attached the Simulation report for your reference. Waveform shows ~17.5mVpp but report shows 3.973mV. Can you please clarify. TPS549B22_0.8V@16.5A.pdf Regards, Shinu…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS549B22: Is there any checksum register of the part

    Jim Tsai
    Jim Tsai
    TI Thinks Resolved
    Part Number: TPS549B22 Hi, My customer would like to check is there any CHECKSUM register of the part? They will need program config and need to check CHECKSUM for double checking if the programming is success. I can't find CHECKSUM related register in…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS549B22: Schematic review

    Allen Li2
    Allen Li2
    TI Thinks Resolved
    Part Number: TPS549B22 HI TI Expert, Can you please help to review the schematic of TPS549B22? Thanks TPS549B22_SCH.pdf
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • WEBENCH® Tools/TPS549B22: TPS549B22

    Gia
    Gia
    Resolved
    Part Number: TPS549B22 Tool/software: WEBENCH® Design Tools Hi. In my device, I have a problem with an output voltage of more than 3.3 V. for еxample, 5 volts. And in program Webench, too, it does not give 5 volts at the output, but only 3.5 V . Resi…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS549B22: Feedback resistors

    DHARINI V
    DHARINI V
    TI Thinks Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS548B22 Hi, For the part “TPS54922RVFR” provide the pin configuration for unused PMBUS pins. Also, for feedback resistor section, In datasheet it is mentioned that If the output voltage…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS549B22: NC pins

    Cosmin P
    Cosmin P
    TI Thinks Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS549D22 Hello, For the pin 27 datasheets specify Not Connect on 549B22 and 549C22. Additionally, the 549B22 datasheet has the pins 26,6and 7 Not Connect. The 549B22 EVM layout has these pins floating…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS549B22: default Vout setting

    Allen Li2
    Allen Li2
    TI Thinks Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS546D24A HI TI expert, we would like to use TPS549B22 for our design to meet the following requirement: default Vout=0.84V and need adjust the output voltage on the flying. I plan to do the design…
    • over 2 years ago
    • Power management
    • Power management forum
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