Samsung's newest flagship Galaxy S20 series will apparently be the first smartphone in the world to receive the USB certification for Programmable Power Supply (PPS) and USB Power Delivery (USB PD) 3.0 standards. This will ensure that the Galaxy 20 series will work properly with third party charger that are also certified with these standards. The USB PD 3.0 and PPS are new standards announced by the USB Implementers Forum (USB-IF) that are designed to allow phones to charge at much faster speeds. The Galaxy S20 and S20 Plus support fast charging of up to 25W while the S20 ultra supports up to 45W. The new certifications will let these smartphones communicate effectively with its charger to ensure that the device is getting the right voltage and current to achieve maximum power transfer. For example, when the S20 ultra is connected to a PPS certified wall charger, the phone will communicate with it to ensure that the charger supplies 4.5A at 10V to achieve that maximum power transfer of 45W. Otherwise, for any other value of voltage, the phone will default to a lower wattage power transfer. The issue currently is the scarcity of USB PPS and USB PD chargers in the market. The USB-IF has ...
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