Ron Stull Power Product Marketing Engineer Ron Stull has gathered a range of knowledge and experience in the areas of analog and digital power as well as ac-dc and dc-dc power conversion since joining CUI in 2009. He has played a key role on CUI’s Engineering team with responsibilities including application support, test and validation, and design. Outside of power engineering Ron can be found playing guitar, running, and touring the outdoors with his wife, where their goal is to visit all of the U.S. National Parks.

Hidden Pitfalls of Over Current Protection


Note: This Live Session was originally scheduled to go live Monday, September 13th at 3pm EST. Due to technical difficulties with the ON24 platform, the event has been rescheduled for Wednesday, September 15th at 11:30am EST.


Over-current Protection is a common feature found in most ac/dc and dc/dc converter datasheets.  The name seems self-explanatory; it’s a feature that is supposed to protect the power supply in the event of an over current condition. Despite the simplicity of the name, the many ways that it can be implemented leads to a wide variety of behaviors, which if not understood could lead to confusion and possibly selecting the wrong power supply for your application. This presentation will explain the common OCP behaviors, the basics of how they work, and things to keep in mind when selecting a power supply.

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