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  • LM5143-Q1: lm5143-Q1 internal error amplifier parameter

    TI Thinks Resolved
    Part Number: LM5143-Q1 Hi team, I want to use LM5143Q for a IBB design, so I want to calculate the feedback loop. As the error amplifier is internal, could you share the internal error amplifier parameter as following table? Thanks. Best regards Mia…

  • LM5143-Q1: 4 phase single output LM5143-Q1 stuck with a 5V output. Why??

    TI Thinks Resolved
    Part Number: LM5143-Q1 Other Parts Discussed in Thread: CSD18563Q5A LM5143-Q1.pdf Can someone check if my schematic is correct? I have 48V input, and wanted either 24 or 36 Volt output. (selectable via Q6) But for some reason, the output is always 5V. …
    • Answered

  • LM5143-Q1: Searching TI solution

    Resolved
    Part Number: LM5143-Q1 Hi Team, There is a good new that we could DIN TI product! Would you please help me select TI multiphase buck controller solution for PoE application? Requirement: Vin: 60Vdc Vout: 54.5Vdc Power: 4000W Multiphase control Than…
    • Resolved
    • Answered

  • LM5143-Q1: Buck converter design.

    Resolved
    Part Number: LM5143-Q1 When using the LM5143-Q1 in dual-phase for a single output. What is the ideal position of the current sense resistor?
    • Resolved
    • Answered

  • LM5143-Q1: LM5143-Q1

    Resolved
    Part Number: LM5143-Q1 Other Parts Discussed in Thread: LMR36015-Q1 , LM5145 , LM5146-Q1 , LMR36015 , LM5160 , LM10011 I would like to use LM5143-Q1 in an application that: 1) VIN = 48VDC 2) Adjustable VOUT = 0.6V .. 47V @1.25A My questions are: 1) Is LM5143…
    • Resolved

  • LM5143-Q1: 2-phase output current limit

    TI Thinks Resolved
    Part Number: LM5143-Q1 How much source and sink current is supported by LM5143-Q1? When using in 2-phase configuration what is the limiting factor for output current drawn by the system at an output voltage of 18Volts, when input is 24 Volts?

  • LM5143-Q1: Dual Phase Single Output Pspice Simulation Model Bug

    TI Thinks Resolved
    Part Number: LM5143-Q1 Hi Everyone, I'm trying to design 48V/40A buck converter with input 56V constant voltage input. I'm trying to simulate system with using paramaters from "LM5143-Q1 Quickstart Tool - revA9". When I design the system considering specification…
    • Answered

  • LM5143-Q1: LM5143-Q1: current sense at any output voltage

    Resolved
    Part Number: LM5143-Q1 Hello. LM5143-Q1 allow to set the output voltage by using a voltage divider from the phisical output to the Voutx pin (x=1 or 2 according to the output channel) But also the current sense amplifier uses the Vout x pin to measure…
    • Resolved
    • Answered

  • LM5143-Q1: 13.5VDC to 12VDC/200A controller solution

    Resolved
    Part Number: LM5143-Q1 Hello expert, My customer is looking for solution to support 13.5VDC -> 12VDC/200A. As I know we can use LM5143 to implement multi-phase solution. May I know if LM5143 could support 2400W output application? If no, do we have other…
    • Resolved

  • LM5143-Q1: use LM5143 in IBB circuit，how to calculate error amplifier and compensation？ And how to control RHP with crossover frequency?

    TI Thinks Resolved
    Part Number: LM5143-Q1 design parameter is: VIN :12-24 Vout :-6V. Iout 20A. use LM5143 with single output-2phase, is it right to caculate Frhp with a half Iout ? with . L set 8uh, Iout=10A. so Frhp=15.9Khz, Generally, the RHP frequency must be about…

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