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  • TPS7B4254-Q1: question about “Line regulation, stead-state” spec

    Resolved
    Part Number: TPS7B4254-Q1 Tool/software: Hello, My customer would like VADJ=5V. The datasheet 6.5 states the “Line regulation, stead-state” is 4mV at the maximum at Vin = 6V to 40V range when VADJ=5V. Figure 5 plots are also for the Vin range of 6V…
    • Resolved
    • Answered

  • TPS7B4254-Q1: ADJ Voltage

    Resolved
    Part Number: TPS7B4254-Q1 Hi team, 2 question about ADJ: How does it work when the ADJ is less than 2V? (Disable?) Is it a problem to apply voltage to ADJ when VIN is 0V? Kind regards, Goto
    • Resolved

  • TPS7B4254-Q1: Output Step Issue

    TI Thinks Resolved
    Part Number: TPS7B4254-Q1 Hi Experts, TPS7B4254-Q1 is under evaluation on customer. There is a step issue on the output, could you help to check it? Thanks. Here is the schematic for TPS7B4254-Q1, this is schematic is based on 7.3.7.1 in the datasheet…
    • Answered

  • TPS7B4254-Q1: TPS7B4254-Q1

    Resolved
    Part Number: TPS7B4254-Q1 Hello, we are considering to use the TPS7B4254-Q1 LDO in our design in an automotive application. I could not find a startup waveform neither in the datasheet or the EVM document. I found only one image from the forum which shows…
    • Resolved

  • TPS7B4254-Q1: Shortcut to battery performance & protection

    TI Thinks Resolved
    Part Number: TPS7B4254-Q1 Hello, I am simulating with tracker TPS7B4254-Q1, and I have some questions, but first of all, let me clarify about you can see in the schematic in PSPICE: - I had to place high impedance resistors at NC and PAD pins to avoid…
    • Answered

  • TPS7B4254-Q1: Could we use less than 10uF as an output capacitor?

    Resolved
    Part Number: TPS7B4254-Q1 Hi team, Could we use less than 10uF as an output filter capacitor? 8.2.1.2.2 Output Capacitor illustrate this point but I wonder if less than 10uF will work or not. If you have any concern @ less than 10uF capacitance, please…
    • Resolved

  • TPS7B4254-Q1: Reverse Polarity Protection at Vin = 0 V

    TI Thinks Resolved
    Part Number: TPS7B4254-Q1 Hello, How does TPS7B4254-Q1's reverse battery protection work at V IN = 0 V? I'm wondering if the internal back-to-back PMOS blocks a current flow from the output to the input when the V IN turns off and the V OUT won't…
    • Answered

  • TPS7B4254-Q1: Maximum thermal resistance

    Resolved
    Part Number: TPS7B4254-Q1 Hello team, TPS7B4254-Q1 has thermal information as below. RθJA Junction-to-ambient thermal resistance 45.4 °C/W RθJC(top) Junction-to-case (top) thermal resistance 51.1 °C/W RθJB Junction-to-board thermal resistance 27 °C/W…
    • Resolved
    • Answered

  • TPS7B4254-Q1: Unencrypted PSpice Model Issue

    Resolved
    Part Number: TPS7B4254-Q1 Other Parts Discussed in Thread: TPS7B4253-Q1 The unencrypted PSpice Model SLVMC86.ZIP located at https://www.ti.com/product/TPS7B4254-Q1#design-development
    • Resolved
    • Answered

  • TPS7B4254-Q1: Short to battery/short to GND protection

    Resolved
    Part Number: TPS7B4254-Q1 Hi experts, As datasheet says, TPS7B4254-Q1 has short to battery and short to GND protection, it will trigger the internal protection function when short to battery or short to GND happens. So when the short to battery/GND fault…
    • Resolved

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