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Design Considerations

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An eBook Reader (short for electronic book reader) is a hand-held electronic device designed specifically for viewing and reading digital media. Key design considerations include:

  • Applications Processor: the OMAP3621 processor OMAP36x is designed and optimized for low-power operation. It manages all the critical functions including text or video displays and audio interfaces. Typical operating systems used are Linux and Android.
  • Wireless Connectivity: TI's WiLink™ is a single-chip WiFi, Bluetooth and FM solution WiLink 6.0. It meets low-power, small form-factor and low cost requirements of eBook.
  • Display: Electrophoretic Displays (EPD) are a new class of displays that have an advantage of being bi-stable over traditional displays such as LCD. Bi-stability consumes zero power to display text and consumes power only to update the display (i.e. turning to the next page) leading to an extremely power-efficient system. TI’s touch screen controller solutions offer low power, high ESD protection and small-footprint package options. They are immune to vibration and display noise. The TPS65180 provides complete EPD bias solution.
  • Audio: The TLV320AIC3100/10/11 are low-power audio codecs that integrate stereo headphone and class-D speaker amplifiers to extend battery life. They are capable of advanced audio processing for improved voice and music. They are pin-to-pin and sw compatible to allow enable quick and easy product spin. Software for OMAP is available. Additional power savings can be achieved by using the TPA6141A2, a class-G DirectPath (capfree) stereo headphone amplifier.
  • Power Management: TI provides the complete power management solution for an eBook design including a Power Management Unit (PMU) designed specifically for the EPD (TPS65180), another PMU to power the system and 3G modem module supply. The outstanding efficiency of the power conversion extends battery run time in addition to minimizing heat dissipation.
  • Battery Management - accurate fuel gauging maximizes usable battery capacity and ensures orderly shutdown. The option to choose between system side and pack side battery fuel gauge offers customers flexibility in design. TI offers a large portfolio of linear and switching charger ICs. In case a high voltage charger is used, the charger front end protection IC is not needed. However, if the charger is integrated in a low voltage PMU or chipset, the front end IC is very important to protect the system from over-voltage and over-current.

Recommended Resources

Application Notes (8)

Title Abstract Type Size (KB) Date Views
HTM 8 KB 25 Jan 2012 1020
PDF 632 KB 05 Apr 2011 1414
PDF 190 KB 07 Jul 2010 15773
HTM 8 KB 27 Jul 2009 5256
HTM 8 KB 03 Nov 2008 855
HTM 8 KB 08 Oct 2008 976
HTM 8 KB 28 Jan 2008 1276
PDF 169 KB 10 Aug 2007 3018
    

Selection and Solution Guides

Selection Guides (4)

Title Abstract Type Size (KB) Date Views
PDF 8.94 MB 11 Mar 2013 32385
PDF 80 KB 18 Jan 2013 5962
PDF 58 KB 12 Apr 2012 1273
PDF 1.87 MB 24 Jun 2008 554

Solution Guides (3)

Title Abstract Type Size (KB) Date Views
PDF 908 KB 08 Jan 2013 9803
PDF 5.43 MB 15 Dec 2011 9263
PDF 3.37 MB 14 Dec 2009 3862

Tools and Software

Name Part # Company Software/Tool Type
Code Composer Studio (CCStudio) Integrated Development Environment (IDE) v5 CCSTUDIO Texas Instruments SW Development Tools, IDEs, Compilers

Product Bulletin & White Papers

Product Bulletin (1)

Title Abstract Type Size (MB) Date Views
PDF 318 KB 05 Apr 2011 873

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