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TPD12S015 PCB layout guidelines

Posted: 08 Feb 2011 ?? ?Print Version ?Bookmark and Share

Keywords:TPD12S015? ESD protection device? High Definition Multimedia Interface?

The TPD12S015 is a multifunction ESD protection device targeting portable High Definition Multimedia Interface (HDMI) applications. This application note focuses on layout guidelines for using the TPD12S015 die sized ball grid array 28 ball package mapped to HDMI C-type and D-type connectors. This solution is geared toward the smallest possible board area. To meet that goal, the TPD12S015 provides integrated level shifter capabilities from 1.1V C 3.6V (VCCA range) to 5V. Additionally, the device is capable of generating 5V from a 2.3V-5V battery using internal boost converter circuitry.

To provide guidance in layout, HDMI signals are explained and detailed. Best practices for preserving signal integrity are given for layout of high speed HDMI lines when using this space saving 0.4mm pitch packaging. Additionally, layout guidelines are given for positioning discrete components DC/DC step-up converter circuitry. An example layout from the TI TPD12S015 EVM is also detailed.

View the PDF document for more information.

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