I found this to be a very well written article on the way the ecoboost operates. It is written in layman’s terms for the mechanically inclined amateur and assumed limited prior knowledge. It’s a good primer for understanding what is happening under your hood.
https://www.motor.com/magazine-summary/dissecting-fords-ecoboost-engine/
https://www.motor.com/magazine-summary/dissecting-fords-ecoboost-engine/