Power efficient 4K video solution over USB Type-C

15 March 2016

Lattice Semiconductor and MediaTek announced the joint release of power-efficient reference designs that drive 4K UHD over a USB Type-C connector.

Lattice’s USB Type-C port controllers and MHL transceivers can be paired with MediaTek’s Helio X20, one of the world’s first mobile processors with Tri-Cluster CPU architecture and ten processing cores (Deca-core). 

Consumers want to lengthen the battery lives of their smartphones and other mobile devices, so delivering high performance features with low power consumption is critical. For smartphones, Lattice’s SiI8348 MHL transmitter is used to seamlessly connect to MediaTek’s Helio X20 to drive 4K video, while the SiI7033 port controller sets up MHL Alt Mode on USB Type-C as well as Power Data Objects (PDOs) required to quickly charge the phone. The SiI7033 port controller also integrates the required switches to support simultaneous MHL and USB3.1 connectivity over the reversible Type-C connector. For docks and accessories, Lattice’s SiI7013 and the SiI9396 port controllers are used to establish MHL Alt Mode and convert MHL to HDMI transmission respectively to connect to the billions of displays worldwide.

C.H. Chee, senior director of consumer marketing at Lattice Semiconductor, said MediaTek is a valuable partner and the two companies are enabling 4K video output on smartphones so users can experience console quality gaming and home entertainment on the latest 4K UHD TVs. 

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