The 'industry’s first' stand-alone USB 2.0 redriver

9th October 2015
Posted By : Nat Bowers
The 'industry’s first' stand-alone USB 2.0 redriver

Designed to improve USB signal integrity in automotive infotainment systems, Texas Instruments has introduced what is being hailed as the industry’s first stand-alone USB 2.0 redriver. The high-speed, bidirectional TUSB211 redriver is AEC-Q100-qualified and offers more than 40% lower power consumption than existing hub solutions in a small footprint with first-of-its-kind pinout to reduce overall solution size.

Combined with built-in calibration to accelerate system evaluation and optimisation, these features enable designers to significantly reduce the size, cost and power consumption of automotive infotainment systems that offer navigation, mobile docking and other multimedia features.

Unlike existing hub solutions, with the TUSB211, there are no continuity breaks on the PCB. This allows flow-through of the existing signal and eliminates the need to break the traces when adding the redriver to the PCB. The TUSB211 consumes less than 55mW in active mode, 40% lower power than existing hub solutions, without compromising speed. It supports USB data rates up to 480Mb/s.

The redriver is supplied in a 1.6x1.6mm, 12-pin super-thin quad flat no-lead (X2QFN) package, offering a 60% smaller package size than the industry-standard package and removing the need for a large hub. The TUSB211 is compatible with USB1.0/1.1, USB 2.0, USB On-the-Go and Battery Charging 1.2 protocols. The bidirectional capability of the device dynamically improves signal quality in both directions regardless of which device is host or peripheral.

To ease design of USB 2.0 systems, engineers can order an evaluation module, the TUSB211RPTREVM which includes TI’s LP5907 single-channel LDO, for $199 from the TI store and authorised distributors. Engineers can jump-start their designs with the USB 2.0, USB 3.0 re-driver dongle TI Designs reference design. Engineers can also search for solutions, get help, share knowledge, and solve problems with fellow engineers and TI experts in the TI E2E Community Consumer and Computing and USB forums.

The TUSB211 is available now for $1.55 in 1,000 unit quantities and the automotive-qualified TUSB211-Q1 is available for $1.83 in 1,000 unit quantities.


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