Maxim has cut quiescent current to 20µA for a 24V 500mA buck converter, aimed at USB Type-C products. “USB Type-C products must generate an always-on 3.3V rail to detect USB insertions,” said the firm. “Products utilising the Power Delivery voltage range of 5 to 20V can generate an always-on 1.8, 3.3 or 5.0V digital supply rail ...

This story continues at Always-on USB-C power chips wastes little

Or just read more coverage at Electronics Weekly