I am really constrained space wise. Could I have really thick traces coming from the connectors, but shrink them the remainder of the way? Or do i have no choice but to make the traces wide enough and have more than a 2 layer board?The limiting factor is temperature. This is where the duty cycle is important. Gives the track time to cool down before the next pulse.
But there are other things: Voltage drop, not duty-cycle dependant. Inductance, important with fast pulses.
Best to have the track as thick and short as possible. Even if it has to narrow at one section, keep the rest as wide as possible.
As others have said ...Thanks, so when I put this in the trace width calculator, can I amply adjust current to my duty cycle times pulsed current to get avg current? Does that suffice in terms of current calculation?
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by Jake Hertz