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Product News

Cypress’s New EZ-USB HX3 USB 3.0 Hub Controller Achieves USB-IF Certification  

Highly-Interoperable, Configurable Hub Controller with Advanced Charging Capabilities Is Industry’s First to Offer Eight Downstream Ports for Enhanced Connectivity and Flexible Design  

SAN JOSE, Calif., March 13, 2014 – Cypress Semiconductor Corp. today announced a new USB 3.0 hub controller certified by the USB Implementers Forum (USB-IF) for the SuperSpeed USB 5 Gbps standard. The EZ-USB HX3 USB 3.0 hub controller offers a best-in-class feature set, with robust interoperability, extensive charging support and full configurability, making it ideal for docking stations, monitors, Ultrabook devices, digital TVs, set-top boxes, printers and servers.

The versatile HX3 USB 3.0 hub controller offers a Ghost Charging feature for charging of devices without a host, and it also supports the USB-IF Battery Charging v1.2 specification and charging of Apple devices. HX3 is the first SuperSpeed USB (USB 3.0) hub controller to offer an Accessory Charger Adaptor Dock (ACA-Dock) feature, which enables upstream charging for portable devices with a USB On-The-Go (OTG) host.

HX3 includes a Shared Link feature that enables up to eight downstream ports, allowing products such as docking stations and desktop monitors to connect with more USB peripherals using a single four port hub. HX3 offers full configurability via I2C EEPROM, I2C Slave and GPIO options, allowing designers to configure PHY drive strength, the number or downstream ports, power switch polarity, LED indicators and more. HX3 consumes only 735 mW with all ports in operation at SuperSpeed data rates—50% less than competing solutions.

“Cypress’s certified HX3 hub enables flexible design in almost any device,” said Jeff Ravencraft, USB-IF President and COO. “There is a ‘plug and play’ expectation for USB technology and the only way to ensure a seamless computing experience is to successfully complete USB-IF certification. Investing in untested products puts companies at risk of developing sub-par technology. However, companies that diligently adhere to the USB-IF certification program can offer their customers an advantage.”

“HX3 adds a USB 3.0 hub with differentiating features to our industry-leading SuperSpeed portfolio,” said Mark Fu, Senior Marketing Director of the USB 3.0 Business Unit at Cypress. “HX3 demonstrates Cypress’s ability to develop innovative features, such as enabling up to eight downstream ports with Shared Link, driving long PCB traces with configurable USB PHYs, and charging portable electronics with Ghost Charging—providing our customers with more design flexibility and top performance.”

Product AvailabilityThe HX3 USB3.0 hub controller is now in production. The

CYUSB3328 4-port hub with Shared Link and the CYUSB3314 4-port hub with individual port power control are available in 88-pin QFN packages. The CYUSB3304 basic 4-port hub is available in a smaller footprint 68-pin QFN package. More information on HX3 is available at www.cypress.com/hx3.





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