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How to add a long cable to a simulation

Serdar Köse
Genius 3360 points

I exported a design from Webench to TINA

I am having an overshoot voltage problem probably because of a long cable. On my application, the cable length will be 3.5 meter long (20 or 24 awg) to the voltage source.

Referring the discussion on e2e.ti.com/.../1696823

I am told that I can define cable length in the simulation, but I couldn't find how to add it. Can anyone please explain how to add and define a cable to Vin on a simulation (either on TINA or on Webench web interface)?

  • 0
    TI__Mastermind 41310 points

    Serdar,

    I am not familiar with defining cable length (or type of cable) in simulation. You should be able to add the parasitic effects that the cable will cause to a simulation, however, you would have to calculate the values based on a circuit that represents the cable characteristics. There are several models available for this purpose.

    Here is one reference that I found: