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Showing 48 results View by: Thread Post Sort by
  • TPS7A25: power loss and efficiency date

    Jim Tsai
    Jim Tsai
    TI Thinks Resolved
    Part Number: TPS7A25 Hi, Could you please help to provide TPS7A2501DRVR power loss/efficiency data base on below condition? Simulation or calculation are both ok. Vin: 18V Vout(ADJ version): 18-VDO Vout(FIX version): 5V Iout: 300mA VDO:340mV
    • 5 days ago
    • Power management
    • Power management forum
  • TPS7A25: Negative output

    TISL
    TISL
    TI Thinks Resolved
    Part Number: TPS7A25 Dear e2e support, Can we set the TPS7A25 to generate a regulated negative output, inverting the polarity on the output (GND and Vout)? The goal here, would be to generate a -2.5V from a Lithium Ion battery (3.0V-4.2V), to bias a sensor…
    • 1 month ago
    • Power management
    • Power management forum
  • TPS7A25: Inrush current at startup

    user6356280
    user6356280
    Part Number: TPS7A25 The waveforms are checked when 12V is input to the power supply. In an application where the 12V power supply rises gradually, the input inrush current is 600mA. However, the inrush current is 3A for applications where a 12V power…
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A25: Internal feedback resistor tolerances

    Nicholas Haneline
    Nicholas Haneline
    Resolved
    Part Number: TPS7A25 I have a quick question regarding the internal feedback resistors on the fixed output versions of the TPS7A25. For a 5V output what are the resistor values, power ratings, and tolerances. Best Regards, Nick Haneline
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • TPS7A25: Thermal PAD is connected to GND internally?

    Kazuhiko Hirano
    Kazuhiko Hirano
    TI Thinks Resolved
    Part Number: TPS7A25 Hello, At TPS7A25, is the thermal PAD connected to GND internally? Best regards, K.Hirano
    • 3 months ago
    • Power management
    • Power management forum
  • TPS7A25: Searching TI solution

    Kygo Cheng
    Kygo Cheng
    Part Number: TPS7A25 Hi Team, There is a good news that we have a chance to replace " SILERGY _ SA21345AFCA " ! Do we have solution for this ? THX
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A25: thermal issue

    Sky Tsai
    Sky Tsai
    Resolved
    Part Number: TPS7A25 Hi Sir/Madam, i check the TPS7A25 datasheet. i have a source 12Vdc. output around 3.3 V / 1A. 1. T A(MAX) = T J(MAX) – (R θJA × P D ) T A(MAX) =125°C – [73.3°C/W × (12 V – 3.3 V) × 0.09 A] = 70.2°C…
    • Resolved
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A25: PSPICE Model not working

    Hans
    Hans
    Resolved
    Part Number: TPS7A25 Hello Team, the pSPICE simulation only works for Vout=1.24V. As soon as I add a voltage divider to the FB pin nothing works(= no output voltage). Thanks for your help! Hans
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS7A25: Soft start and inrush current

    user6356280
    user6356280
    TI Thinks Resolved
    Part Number: TPS7A25 I'm using TPS7A2533. I have the following questions about soft start and inrush current. ●The datasheet says that the soft start function is built in, but where exactly is it built in the block diagram? ●Is the soft start function…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS7A25: Effects of output capacitance on inrush current

    Sehaz Dayal
    Sehaz Dayal
    Resolved
    Part Number: TPS7A25 Hi, I am planning on using TPS7A25 in an application which imposes a limit on total capacitance allowed during initial turn-on for the first 20ms to avoid tripping of the upstream inrush current limiter. How can I compute the total…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
>

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