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  • TPS54478: TPS54478 WEBENCH DESIGN load transient simulation issue

    TI Thinks Resolved
    Part Number: TPS54478 Hello, When I use to WEBENCH Design simulated TPS54478 load transient simulation ,I find load transient result is poor .as below picture1.but for Bode plot result is good(Gain margin is -33.05) ,as below picture 2. I don't why…

  • TPS54478: Unexpected rising for PGOOD when disable is happening

    Part Number: TPS54478 Hi, I'm currently using TPS54478 with input voltage, Vin=3.3V stepping down to output voltage, Vout=1.2V, designed with maximum output current, Iout_max=1.2A. I'm conducting startup/shutdown test on this buck by enabling/disabling…
    • Answered

  • TPS54478: TPS54478 LATCHUP

    Resolved
    Part Number: TPS54478 Hi, Would you answer these questions: - Is the part CMOS or bipolar - Have you done electrical latch up testing - Do you have any radiation test data on the part? thanks Munir
    • Resolved
    • Answered

  • TPS54478: possibility to control two converter units (EN) from one PGOOD.

    Resolved
    Part Number: TPS54478 Team, Is it possible to control two TPS54478 units on EN from one TPS54478's PGOOD? Wouldn't be the current from two enables to one power good too high? Can´t find the current or voltage flows from EN in datasheet. Based on the…
    • Resolved

  • TPS54478: input current

    TI Thinks Resolved
    Part Number: TPS54478 Hi There is a Vin supply current data on the datasheet. What is the condition of this data? (Vout and frequency and Iload) Regards, Koji Hamamoto
    • Answered

  • TPS54478: What's the gate capacitor of high-side and low-side FETs of buck converter inside?

    Resolved
    Part Number: TPS54478 Hello, To calculate the power dissipation, one customer is asking for the gate capacitance of high-side and low-side FETs of buck converter inside. Can someone provide this information? Thanks
    • Resolved
    • Answered

  • TPS54478 VIN overshoot

    Resolved
    Other Parts Discussed in Thread: TPS54478 Hi We have a problem（EOS/ESD between VIN-PH) for TPS54478 at customer's module when the output is shorted. The waveform of VIN voltage is different in two samples which was shorted between VIN-PH. (The both…
    • Resolved
    • Answered

  • TPS54478 - Question of datasheet P.22 Figure 35

    Resolved
    Other Parts Discussed in Thread: TPS54478 Hello, My customer has a question about TPS54478. [Q] What does C3 of Figure 35(datasheet p.22) implement it for? Is this necessary? Regards, Hiroshi Katsunaga
    • Resolved

  • RE: TPS53321: TPS53321 efficiency calculation

    Hi Alan, Thank you for providing your application needs. Do you need to sync to a clock, or have other features that are needed? If you must have a calculation for the efficiency, we need to find a newer device which supports this. Efficiency calculation…
    • Answered

  • TPS54618C-Q1: Do we have other pin to pin devices including non-auto and automotive level device

    Resolved
    Part Number: TPS54618C-Q1 Other Parts Discussed in Thread: TPS54678 , TPS54719 , TPS54519 , TPS54478 , TPS54418 , TPS54618 Hi team I searched on Ti.com and only found the TPS62816Q1 which is not pin to pin with TPS54618CQ1 just function similarly, so…
    • Resolved

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