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TINA/Spice/TPS61021A: No output

Jesse Lee
Expert 1985 points
Part Number: TPS61021A
Other Parts Discussed in Thread: TINA-TI,

Tool/software: TINA-TI or Spice Models

i am using TINA to simulate the TPS61021A .

SPEC:  1.  1.2V to 3.3V/0.1A   

 I want to test the Switching Frequency on SW pin of TPS61021A.

But i find that when i put 1.2V on input ,  there is no output on Vout pin.

I download the WEBENCH Design File , and open it by TINA. 

TPS61021A no output.xlsx

  • 0
    TI__Guru* 78260 points
    Your inquiry needs to be sent to our modeling group expert. Before I do that, could you check if your TINA model circuit is correct? I found one of R33 pins floating, this would cause an error in Pspice. Since I myself do not use TINA, I am not sure if this is also a problem for TINA. Could you just delete R33 or ground the floating pin and see if you can get the circuit operating?