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Low power consumption USB Ethernet controller

Posted: 17 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Realtek? Ethernet controller? USB? Ultrabook? Controller?

Realtek Semiconductor has rolled out its USB 3.0-to-Gigabit Ethernet controller. The RTL8153 will be aimed at Ultrabooks, Tablets, IPCs, and Motherboard applications, and support the latest system platforms and features. Alongside ultra-low power consumption and package size, the RTL8153 also offers simplified design-in with very low RBOM. It is pin-to-pin compatible with the current USB 2.0-to-10/100M RTL8152B.

Realtek also provides an industrial version of the USB3.0 GbE Controller (RTL8153I) that meets heavier demands required for industrial use and features increased operating temperature range (-40C to 85C) and support for IEEE 1588.

The feature rich RTL8152B/RTL8153 USB-to-Ethernet controllers support the latest power saving scheme 'LPM/LTM', which is ideal for the Intel Shark Bay platform and for AOAC for Windows 8 from Microsoft.

Realtek USB to Ethernet Controllers support driver-free installation for various Operating Systems, including Android (Linux), and MAC OS via built-in CDC ECM technology, as well as inbox driver support for Windows 8.1. Realtek has applied state-of-the-art power saving technology (including IEEE 802.3az Energy Efficient Ethernet) to both the RTL8152B and RTL8153, and has achieved very low power consumption.

Battery-powered devices will benefit from longer battery life while using the RTL8152B/RTL8153 to make their internet connection. To minimise design effort, the package size for the RTL8153 has been standardised to a 48-to-48 pin co-layout with the current USB2.0-to-10/100M RTL8152B; the same circuit design can be used with the USB 3.0-to-Gigabit Ethernet controllers.

The RTL8153 features a built-in 5V to 3.3V linear regulator in order to take USB bus power directly, with no requirement for an external switching regulator. A built-in OTP memory eliminates external EEPROM, and only a single 25MHz clock input is required. The company also provides the complete HDK, SDK, and reference component list to customers to help speed their design.

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