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HDMI companion IC fits portable apps

Posted: 06 Apr 2010 ?? ?Print Version ?Bookmark and Share

Keywords:HDMI? companion chip? interface? controller?

TPD12S015 HDMI companion IC

Texas Instruments Inc. has developed what it claims to be the first integrated HDMI companion chip to the core HDMI controller for portable applications.

The TPD12S015 incorporates all the major components required for an HDMI interface, including eight low-capacitance ESD clamps, I?C level shifters, and a DC/DC converter, saving 75 percent board space for the HDMI interface and significantly reducing overall system cost when compared to discrete implementations.

Designers can use the TPD12S015 with TI's OMAP applications processors or similar processors in a wide range of portable applications including smart phones, camcorders, digital still cameras and portable game consoles.

The TPD12S015 allows HDMI 1.3 data rates and provides IEC61000-4-2 (Level 4) ESD protection. The internal boost converter generates 5V from a 2.3V to 5.5V battery voltage, which eliminates the need for an on-board 5V supply to drive the HDMI 5V output pin.

In addition, matched HDMI Class-C pin-mapping eliminates board design layout skew that typically occurs with discrete implementations. The device's auto-direction sensing level shifter with integrated pull-ups and edge-rate control circuits also eliminate the need for an additional on board I?C cable driver circuit. Integrated ESD clamps and resistors ensure good matching between each differential signal pair to avoid differential signal quality degradation.

The TPD12S015 is in volume production today with samples ready to ship. This device comes in an industry-leading, small-footprint WCSP package (1.6 mm x 2.8 mm) with 0.4mm pitch.

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