This is a utility software unique to ASUS. It allows specific USB ports to remain powered on to charge devices even when the laptop is in Sleep or Hibernate mode. If this driver is missing or corrupted, you may find your USB-C ports completely dead when the laptop lid is closed, or they may not provide sufficient power to charge your smartphone.
To get the correct USB-C drivers for your ASUS device, you should use the official ASUS Download Center asus usb c drivers