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TPS92411: Check to the Circuit and question

Part Number: TPS92411
Other Parts Discussed in Thread: TPS92410

Deal All

I have apply to TPS92411 for our project.TI_question(TPS92411_PowerPAD).pptx

Please check to my question(Refer to atteched file)

Thanks and BR

PJ

  • Hello,

    Question 1 :
    If CONN1(Input Voltage AC50V/DC50V), We must be maintained at least 5 W of effective power,
    So we use to TPS92411 for 4W of effective power. Is that possible?

    No, the TPS92411 is not a regulator, it is a bypass switch. It either allows current to a load (from a current source) or bypasses it.

    Can I use Walt resistor instead of LED? (The secondary side consumes about 2W.)

    I don't know what a Walt resistor is and I'm not sure what you are trying to do? Is this an LED circuit?

    Question 2 :
    When 4W is consumed(TPS92411 and Walt Resistor), heat is likely to be a problem.

    The TPS92411 is not a regulator.
    If it is working with a current source it will either allow the current to the load or bypass it. It is meant to work with a current regulator such as the TPS92410.

    Is there a way to improve the heat?

    What is your load, current and voltage and what are you trying to do? What is the output of the AC/DC portion of this circuit?

    Regards,
  • I have not heard back from you so I believe you may have solved the issue.
    The thread will close now but will reopen if you reply.