Designing Robust Power Sources with Ideal Diodes (Download)
Robust systems often have several different power sources, and switches are implemented to separate the power supplies from each other to avoid damage. In most cases, multiple diodes are placed in the power path to keep everything separate.
However, a more flexible and efficient method involves the use of ideal diodes. Several different ideal diodes can be used in these situations — one where the selection of input rail is independent of the voltage level, and a simpler one in which the higher voltage always powers the system.