App note: USB power delivery changes the game

Great read on this white paper from Renesas about the history of USB power delivery. Link here (PDF)

Connections between equipment for data transfer and power are being revolutionized by the adoption of ‘USB Power Delivery’, a version of USB that allows up to 100W to be passed in either direction. This white paper traces the history of the standard and its capabilities up to the present day with USB Type-C TM cables and connectors enabling ‘Superspeed’ communication while providing bi-directional power transfer for peripheral operation and battery charging. Practical advantages of USB Power Delivery are described along with the wider benefits of reduction in complexity and number of interconnections and their environmental impact. Integrated circuit solutions for the design of interfaces to control power flow are introduced.

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