Found this PR story from Continental about making the power electronics for JLR. Would be nice to find more technical detailed stuff but its a start!
https://www.continental-corporation.com/en/press/press-releases/2018-10-22-leistungselektronik-148174
https://www.continental-corporation.com/en/press/press-releases/2018-10-22-leistungselektronik-148174