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TINA/Spice/BQ25504: FAST parameter

Albert Alvarez Carulla
Prodigy 110 points
Part Number: BQ25504
Other Parts Discussed in Thread: TINA-TI,

Tool/software: TINA-TI or Spice Models

Hello!

I'm currently working with some simulations of the BQ25504 and I'm not able to achieve longer/real sampling period (16s) of VIN changing the FAST parameter. Always remains 512ms regardless parameter FAST value.

Any idea in what I'm doing wrong?

Thanks in advance.

  • 0
    TI__Mastermind 39210 points
    Hi Albert,

    Unfortunately, the amount of data the model generates will crash PSpice if it is run for 16 seconds (this was observed when this model was being developed). Hence the FAST mode was provided as an alternate with some tradeoffs on timings. The only practical approach to see results with the actual sampling time of 16 seconds would be to use the actual hardware for evaluation.