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Showing 186 results View by: Thread Post Sort by
  • LM51551: CS waveform question in LM51551

    Gary Teng
    Gary Teng
    Part Number: LM51551 Tool/software: Hi Sir, Our customer is testing their board and they can't get enough current at the output load: There is 56V at output with no load, and the output is drop (protect?) when the current load is more than 500mA.…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • LM51551: How to custom hiccup mode behavior in LM51551

    Conor
    Conor
    Resolved
    Part Number: LM51551 Tool/software: Hi, We are currently evaluating the LM51551 for our application and have a question regarding the hiccup mode behavior. According to the datasheet, LM51551 initiates a hiccup mode restart after detecting 64 cycles…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • LM51551-Q1: Can LM51551-q1 handle 15V X 2.5A= 37.5W output?

    Sveinn Jia
    Sveinn Jia
    TI Thinks Resolved
    Part Number: LM51551-Q1 Hi team, Can LM51551-Q1 support 15V@2.5A output @ VIN=9-18V? If not, please recommend a new suitable device. Target EE is traction inverter. Regards, Sky
    • 21 days ago
    • Power management
    • Power management forum
  • LM51551: zener diode question in LM51551's isolated flyback design.

    Gary Teng
    Gary Teng
    TI Thinks Resolved
    Part Number: LM51551 Other Parts Discussed in Thread: PMP22764 , Tool/software: Hi Sir, We've ever ask LM51551's question earlier and they check PMP22764's design as reference. Customer want to confirm what's the D7 function in PMP22764, and if…
    • 4 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • LM51551: I am struggling to operate boost convertre using LM51551

    Faiz Majeed
    Faiz Majeed
    Resolved
    Part Number: LM51551 Other Parts Discussed in Thread: LM5155 , Tool/software: Hi! I have design the PCB using LM51551QDSSTQ1. The PCB is designed to take 30V input voltage and 150V output. but when i apply 30V, i get same 30V on the output. I am attaching…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • LM51551: LM51551

    Soumya
    Soumya
    TI Thinks Resolved
    Part Number: LM51551 Other Parts Discussed in Thread: LM5180 , , LM5020 , UCC28C56H , LM5155 , LM5156 Tool/software: Hi, My customer reached out with this inquiry. can you please advise? It's been a bit of a challenge to find the particular set…
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • LM51551-Q1: LM51551 Loop Measurement

    zhang lin
    zhang lin
    Resolved
    Part Number: LM51551-Q1 Other Parts Discussed in Thread: LM51551 Tool/software: Hello experts, how to measure the loop of LM51551 boost topology?
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LM51551-Q1: LM51551 problem with long startup time

    zhang lin
    zhang lin
    Resolved
    Part Number: LM51551-Q1 Other Parts Discussed in Thread: LM51551 Tool/software: We are using LM51551-Q1 chip, Topology: BOOST, output voltage: 46V; The picture is the schematic diagram and the waveform of startup time. The first picture VOUT output…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM51551-Q1: LM51551-Q1

    Moritz
    Moritz
    Resolved
    Hi Sidharth, Thanks for reaching out. Sidharth Gupta said: Is LM5155/LM5156 suitable as a suitable PWM controller IC for for non-isolated, non-synchronous, single MOSFET DC/DC boost converter. Yes, in general, LM5155 is made for applications like…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM51551: How to calculate theoretical efficiency of LM51551 as flyback converter.

    Ariparanthaman Selvarajan
    Ariparanthaman Selvarajan
    TI Thinks Resolved
    Part Number: LM51551 Tool/software: Hi TI team, Please share the procedure to calculate the theoretical efficiency of LM51551 as flyback converter. Please share if any documentation available.
    • over 1 year ago
    • Power management
    • Power management forum
>

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