USB 3.0 hub controller only draws 350mW in active mode

September 10, 2012 // By Julien Happich
Renesas Electronics' SuperSpeed USB (USB 3.0) hub controller system-on-chip (SoC), the μPD720210, was designed for use in hubs that enable connection of multiple devices supporting the USB 3.0 standard, such as PC peripherals and digital TVs.

USB 3.0 delivers speeds 10 times faster than the 480 megabits per second of USB 2.0 speeds. Featuring compact packaging and integrated peripheral components, the μPD720210 hub controller SoC was designed to meet the need for hubs with low standby power consumption and small board size. The μPD720210 received Windows 8 Hardware Certification by Microsoft with its high performance and reliability. Offered in a compact 9x9mm quad flat no-lead (QFN) package to reduce the mounting area by 20 percent from the previous devices, the chip draws only 5mW in power saving mode, which makes it easier for system designers to develop systems that are qualified as stringent power efficiency standards such as Energy Star. Also the μPD720210 draws 350mW in USB 3.0 active mode.

The μPD720210 hub controller also integrates on-chip peripherals such as step-down regulators that lower the 5 V power supply voltage to the 3.3 V and 1.05 V and charging support functionality conforming to battery charging standards.

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