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  • TPS549B22: default Vout setting

    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…

  • TPS549B22: Automotive compliant PS module to implement in my design

    TI Thinks Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: LM61495-Q1 , LM5176-Q1 hi, i'm planning a card to an automotive purpose but not a critical system - can be called infotainment.... i can't understand if i must take only AEC-Q-XXX compliance p…

  • TPS549B22: How to set defaut Vout?

    TI Thinks Resolved
    Part Number: TPS549B22 Dear TI supporter I have some question when using TPS549B22. 1、At Page7 of TPS549B22 datasheet ,it shaws that the test condition Vbp=2.93V，and is conflict with Page9 Vbp=5.07V typically.And meanwhile,I measured 5v on my DVT，Also…

  • TPS549B22: Reference Voltage Programming

    TI Thinks Resolved
    Part Number: TPS549B22 Hi, I need to program the TPS549B22's reference voltage to 0.75000V using the PMBUS (USB Interface Adapter) and the Fusion Digital Power Designer software. I cannot find the reference voltage selection on the software. Th…

  • TPS549B22: EN_ULVO pin

    TI Thinks Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS549D22 Hi, Good day. Our customer wants to know if the EN_ULVO pin tied to GND will totally shut off the device.. OR it will just turn off the output and you can still communicate to the device? …
    • Answered

  • TPS549B22: TPS549B22RVFR is set to 1.2V but measures 1.33V at the output

    Resolved
    Part Number: TPS549B22 Used TPS549B22RVFR to generate 1.2V at 15A, but the output measures 1.33V. what could be wrong? schematic pdf is attached. x2_SCH_1V2_TPS549B22RVFR.pdf
    • Resolved

  • TPS549B22: Enable Pin Logic

    TI Thinks Resolved
    Part Number: TPS549B22 Hi, I am aware that pin 4 (EN_UVLO) can be used to set an under-voltage lockout voltage based on the voltage applied to the pin while PVIN and VDD are connected together. I am wondering if this IC has a master enable pin that shuts…
    • Answered

  • TPS549B22: RSP/RSN Feedback & PGOOD

    Resolved
    Part Number: TPS549B22 Other Parts Discussed in Thread: TPS549D22 , TPS546D24A , TPS546A24A I am using the TPS549B22 1.5-V to 18-V VIN, 4.5-V to 22-V VDD, 25-A SWIFT Synchronous Step-Down Converter With Full Differential Sense and PMBus. I was wondering…
    • Resolved

  • TPS549B22: How to select Vboot setting is from internal NVM or external pin-strap

    TI Thinks Resolved
    Part Number: TPS549B22 Hello E2E, How to select Vboot (startup reference voltage) setting is from internal NVM or external pin-strap on tps549b22? Sincerely, Jason
    • Answered

  • TPS549B22: Output and Input CAP check

    Resolved
    Part Number: TPS549B22 Hi E2E, Because we want to less layout area, could you check block 1~3 and let us know the minimum cap demanded! Thanks! VDD0V8(0.8V) TPS549B22RVFR Vin=12V, Vout=0.8V, IOUT=15.1A DC ripple SPEC is +/- 3%, Transient SPEC is +/…
    • Resolved

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