I am converting my old alarm keypad to Amazon Echo hub. I placed a 12V to USB-C (5V) voltage converter to the wiring. When I plug the Amazon hub, I receive error msg for insufficient power. The plug will power iPhone and iPad but no luck with the Amazon echo Hub. It is going to its own power supply. The amazon echo hub requires that the power supply comply with USB PD protocol and support both 5V/2.4A and 9V/3A ratings. What do I have to do to make it work with the existing wiring?
Our 12V to 5V USB Type-C converters are not USB PD. They only deliver 5V at a max of 3A.