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Date: 05-12-13

MIPI DSI to DisplayPort interface IC from TI

Texas Instruments has introduced a new interface IC that provides a MIPI DSI bridge between the graphics processor and embedded DisplayPort (eDP) panel. It supports the industry's highest screen resolution up to 4K2Kp60 for tablets, clamshell notebooks and all-in-one PCs. TI says compared to competitive devices, the SN65DSI86's 1.5-Gbps DSI data rate delivers more than 30 percent higher bandwidth. In addition, its dual MIPI DSI channels in a 20-percent smaller, 5-mm by 5-mm package saves PCB area, providing system designers greater design flexibility for space-constrained mobile applications, according to TI.

Key features and benefits of the SN65DSI86 as per TI:
Optimized MIPI DSI bridge to eDP: Supports LCD panels up to 4096 by 2160p with 18 bits per pixel (bpp) at 60 frames per second (fps), and 1920 by 1200 WXUGA 3D resolution (24 bpp) at 120 fps with odd/even or left/right configurations. This gives system designers the flexibility to support a variety of different panels and resolutions.
Higher DSI frequency/bandwidth: Dual-channel, four MIPI DSI lanes support 1.5 Gbps, offering a maximum input bandwidth of 12 Gbps for the highest data throughput performance compared to competitive solutions. Compatibility with eDP version 1.4 supports seven data rates up to 5.4 Gbps HBR2, which allows system designers to use fewer wire and board traces between the device and LCD panel.
Ultra-low power: Power consumption of less than 200-mW active, 30-mW suspend power and 3-mW shutdown extends system battery life.
Advanced signal conditioning: Combination of receive equalization, selectable transmitter de-emphasis and output swing enables flexible component location, and allows for longer traces between the graphics processor and SN65DSI86, as well as longer cables from the bridge chip to LCD panel.

TI explains: The SN65DSI86 works with the SN75DP130 DisplayPort re-driver, and is part of a pin-compatible family of MIPI DSI bridge chips that allow designers to select the right bridge for the resolutions they need. They are an extension of TI's popular FlatLink serial interface portfolio, which reduces the number of signal lines used for synchronous parallel data bus structures with no loss in data throughput. TI's display interface portfolio addresses display panels in all shapes and sizes. Flatlink interface ICs manage short-haul links for mobile devices and products with small displays, while FPD-Link SerDes chipsets support long, robust links in automobiles.

Availability, packaging and pricing:
The SN65DSI86 is available today in a 5-mm by 5-mm, 64-ball PBGA package. Suggested retail pricing is US$5.61 in 1,000-unit quantities.

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