Renesas Electronics has released a high-efficiency power supply IC, the RAA230161, that supports the power rules requirements as defined in USB Power Delivery (USB PD) 2.0 and 3.0 specifications from USB Implementers Forum (USB-IF).
The IC can be used with a wide variety of equipment that uses direct current (DC) power, from AC adapters and PC peripheral equipment to home and office equipment and hub applications. The power supply IC allows system manufacturers to quickly and easily implement power supply equipment that is based on the USB PD 2.0 and 3.0 specifications.
The USB PD specification makes it possible to provide DC power over a USB cable to equipment, such as notebook personal computers and digital single-lens reflex cameras that previously could not be powered over a USB cable. In addition to the maximum 7.5 W (5 V at 1.5 A) of the earlier USB standards, the standard adds power rules based on 15 W (5 V at 3 A), 27 W (9 V at 3 A), 45 W (15 V at 3 A), 60 W (20 V at 3 A) and 100 W (20 V at 5 A) capacities.
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