Friday, August 12, 2016

TI cuts USB Type-C footprint in half

By Nick Flaherty www.flaherty.co.uk

Texas Instruments (TI) has launched a multiport USB Type-C and Power Delivery (PD) minidock reference design that provides audio, USB data, power and video support in half the footprint of previous implementations.

This new reference design can be powered by a traditional power adapter, USB Type-C adapter or notebook computer, offering end users flexible, intelligent functionality. The reference design provides a fully tested, verified plan for a 2- by 4-inch dock, at least 50 percent smaller than existing docking solutions.
At the core of the USB Type-C and Power Delivery Minidock with Video and Charging Support Reference Design (TIDA-01243) is the TPS65982 USB Type-C and PD controller. The TPS65982 enables dual-role port USB Type-C functionality, capable of delivering 60 watts of power and supporting DisplayPort Alternate Mode and USB data transmission. In addition, the design uses the TPS65986 USB Type-C and PD controller, HD3SS3212 SuperSpeed multiplexer, TUSB321 dual-role port controller and HD3SS460 Alternate Mode multiplexer, which work together to provide dual-role port capability for power, data and video transfer.
The design allows for autonomous PD negotiation for both source and sink, eliminating the need for an external microcontroller and by combining the highly integrated TPS65982 with other USB Type-C components in an optimized circuit, the minidock reference design allows engineers to develop up to 50 percent smaller docking stations.

The minidock also supports USB 3.0 or 4K resolution video and digital audio through various output options with DisplayPort and HDMI.

All the chips in the design are compliant with the current USB Type-C and PD standards, simplifying and speeding engineers’ design cycles. The design also combines the complete solution of TI USB Type-C and PD-compliant ICs, including port controllers, data multiplexers, DC/DC converters, load switches, field-effect transistors (FETs), signal conditioners and circuit protection, easing product selection and purchasing during design implementation.
The minidock TI Designs reference design (TIDA-01243) is now available for download. Additionally, an evaluation module allows designers to quickly evaluate and implement their minidock designs. The USB-CTM-MINIDK-EVM is available today for US$499 from the TI store and authorized distributors.

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