mllrkllr88 Posted July 26, 2016 Share Posted July 26, 2016 (edited) Hey guys, I am trying to come up with a formula to handle OCP on all the cards I do that have no previous examples. What value do you guys usually do for OCP? Lately I have been doing OCP on all the cards I do and I never quite know the correct formula for determining the OCP resistance or if I am even doing OCP correctly. Here is what I have been doing: I have been basically reducing the resistance of IOUT/IMAX pin by half to remove OCP. In most cases I have to use my biggest pot, 500K, and with it fully backed off it will usually decrease the OCP pin resistance by 1/4 to start then allow me to drop down from there. For "per phase" cards I have been decreasing the resistance by half with discrete resistors. In a few cases, my OCP mod didn't remove the OCP triggering and I wanted to check to see if I am doing it correctly. Some examples show people removing the OCP resistor completely, while most of the other examples show a simple VR mod like I am doing. Also, is there a full list of the OCP pin names (IOUT, IMAX, ect) that IC manufacturers use? Edited July 26, 2016 by mllrkllr88 Quote Link to comment Share on other sites More sharing options...
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.