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Showing 8 results View by: Thread Post Sort by
    Answered
  • TPS54290: PGND1 and PGND2 connection

    Ella KIM
    Ella KIM
    Resolved
    Part Number: TPS54290 Hi, My customer is looking for a two channel buck to supply C2000 MCU. It's 12-to-3.3V application. MCU has two grounds - AGND and DGND - which connect to each other thru a 0ohm resistor for noise minimization. I'm wondering if…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS54290: TPS54290PWP - How to set Vout2 = 5V/2.5A

    Minesh Darji
    Minesh Darji
    TI Thinks Resolved
    Part Number: TPS54290 Other Parts Discussed in Thread: TPS54291 Dear Sir/Mam, Good Day. I would like to know that for Buck IC TPS54290PWP. Datasheet mention two output 1) 3.3V/1.5A 2) 1.2V/2.5A I would like to change second output Vout = 1.2V/2.5A to…
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: TPS54290: Not getting Out2 as expected

    David Urban
    David Urban
    John, Thank you for supporting Bhupendar on this issue. He is working on my board design and the TPS54290 looked like an ideal part for our prototype but we will not be able to use it for production or any future design if we cannot figure out how to…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54290: Duty cycle Consideration

    VenkataNarasimha Naru
    VenkataNarasimha Naru
    Resolved
    Part Number: TPS54290 Hi, We are planning to use TPS54290 in one of projects, it is dual output switching step down regulator and we would like generate 3.7V and 1.8V from 4.5V input using this regulator, just want check with you before proceeding further…
    • Resolved
    • over 8 years ago
    • Power management
    • Power management forum
  • TPS54290 instability problem

    leinho
    leinho
    We are having problems with this switching converter. Sometimes it works fine but sometimes it doesn't... We think it's related to compensation issues: When we touch around the compensation area it starts working but when we touch it again it…
    • over 12 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54290 / TPS54291: Can it be used to build a 2-phase converter?

    Peter James Miller
    Peter James Miller
    Resolved
    Other Parts Discussed in Thread: TPS54290 , TPS54291 Is it possible to generate a 2-phase converter using the TPS54290 or TPS54291 integrated FET converter?
    • Resolved
    • over 15 years ago
    • Power management
    • Power management forum
  • RE: TPS65279: current limiter accuracy

    Sam(MPAA) Zhang
    Sam(MPAA) Zhang
    Hi Vincenzo, The peak current limit can't be set to value lower than 5A with acceptable variation. How much Iout do you need? TPS65261 (3A/2A/2A triple buck) or TPS54290 (1.5A/2A dual buck) seems to be better for your application. Any further need…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS54291: inductor selection

    leinho
    leinho
    Resolved
    Other Parts Discussed in Thread: TPS54291 , LM2678 Hi, How are you? We are selecting the right discrete components to build a dc dc converter with a tps54291 chip... We have some questions about the inductor selection: Why did they choose that inductor…
    • Resolved
    • over 12 years ago
    • Power management
    • Power management forum

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