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  • TPS40400: TPS40400 output current reported value

    TI Thinks Resolved
    Part Number: TPS40400 Hi Ti member, I have one question about the output current report problem (not accurate) with the TPS40400. MY evaluated board is TPS40400EVM-351, therefore the current sense element is the inductor's DCR. The inductor value…
    • Answered

  • TPS40400: power sequence question

    Resolved
    Part Number: TPS40400 Hello. TPS40400 Internal 3.3V Regulator, is there a power sequence for Vout and BP3? Thanks for help~
    • Resolved
    • Answered

  • TPS40400: TPS40400 maximum output current

    Resolved
    Part Number: TPS40400 Dear TI Members. TPS40400 maximum output current default is 10A on datasheet. BUT our customer said that TI member guaranteed that if disable PMBUS, the default is 12A. Could you have some data let us refer the information is correct…
    • Resolved

  • TPS40400: Enquire TPS40400 ƟJc

    Part Number: TPS40400 Hi~ I cannot find ƟJc in TPS40400 datasheet, please advse! Thanks and Best regards, Tiger
    • Answered

  • TPS40400: TPS40400 and Power Good

    Resolved
    Part Number: TPS40400 Hi TI, we have been looking into TPS40400 to supply 1.00V core voltage for a CPU. We think the current can be up to 10A, therefore we will use the voltage sense function that this part have.This CPU will handle the I2C and PMBus…
    • Resolved

  • TPS40400: Constant Current Solution issue

    TI Thinks Resolved
    Part Number: TPS40400 Other Parts Discussed in Thread: INA139 , TLE2144 , LM4041C , TPS543B20 , TPS543C20 , OPA4313 , TPS544C20 TI, We are working on a solution which employs a TPS40400 based DC/DC, INA139 (Current Sense), TLE2144 (Quad Op-Amp), and LM4041C…

  • TPS40400: TPS40400 minus40deg.C loadstep fequency change

    Part Number: TPS40400 Dear all, My customer want to know reason of phenomenon below, Osc.Freq. was changed at Iout 0 to 40A load step. Ta= 0deg.C and C8= 4700pF no change always 400kHz Ta= -40deg.C and C8= 3300pF no change always 400kHz Ta= -40deg.C and…
    • Answered

  • TPS40400(SLUS930D-April2011)

    Resolved
    Other Parts Discussed in Thread: TPS40400 Q1)I would like to check for the calculation of IRIPPLE. (TPS40400(SLUS930D-April2011) May I know where to get the dt value(i.e. 3.05u as indicated in the calculation)? Q2) What is the formula for IAC? Why the…
    • Resolved
    • Answered

  • TPS40400: Compensation Calculator Tool sheet Fco value

    Resolved
    Part Number: TPS40400 Hi all, In case fsw= 400kHz, what is recommended value of Fco? Thank you.
    • Resolved

  • Starterware/TPS40400EVM-351: Digital Fusion Power tool cannot detect TPS40400-EVM-351 board

    Part Number: TPS40400EVM-351 Other Parts Discussed in Thread: USB-TO-GPIO , , TPS40400 Tool/software: Starterware hi, I am following the TPS40400EVM-351 user guide by connecting the USB-TO-GPIO cable to TPS40400EVM-351 board. Power up the board with +5V…

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