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Samsung Galaxy S20 First to Support New Fast-Charging Standard

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Feb 28, 2020, 10:04 AM   by Rich Brome   @rbrome

Samsung's new Galaxy S20 series of flagship phones are the first phones to be certified by the USB Implementers Forum as compatible with the new Certified USB Fast Charger industry standard. Phones and chargers certified under the program must use USB-C connectors, support USB-PD (Power Delivery) 3.0, as well as the new Programmable Power Supply (PPS) feature of USB-PD 3.0. PPS allows the phone to specify the precise voltage and current required for optimal charging throughout the charge cycle, enabling faster charging speeds than are possible with USB-PD alone. Certified USB Fast Chargers are backwards compatible with older USB-C and USB-PD devices. Many current USB-C phones implement fast charging using older USB-PD standards, various versions of Qualcomm's Quick Charge technology, or proprietary technology specific to that manufacturer. The USB Implementers Forum hopes to standardize wired fast charging with this new certification program.

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