SLAU601B March   2015  – April 2020

 

  1.   BOOSTXL-K350QVG-S1 QVGA Display BoosterPack™ Plug-in Module
    1.     Trademarks
    2. 1 Getting Started
      1. 1.1 Introduction
      2. 1.2 Key Features
      3. 1.3 What's Included
        1. 1.3.1 Kit Contents
        2. 1.3.2 Software Examples
      4. 1.4 Next Steps: Looking Into the Provided Code
    3. 2 Hardware
      1. 2.1 Hardware Features
        1. 2.1.1 BoosterPack Pinout
        2. 2.1.2 Kentec QVGA Display (K350QVG-V2-F)
        3. 2.1.3 SSD2119 LCD Driver
        4. 2.1.4 LCD Backlight Circuitry
        5. 2.1.5 SPI Configuration
      2. 2.2 Design Files
        1. 2.2.1 Hardware
        2. 2.2.2 Software
      3. 2.3 Hardware Change log
    4. 3 Software Examples
      1. 3.1 BOOSTXL-K350QVG-S1 + MSP-EXP432P401R Graphics Library Example
    5. 4 Additional Resources
      1. 4.1 TI LaunchPad Portal
      2. 4.2 Download CCS, IAR, Keil, or Energia
      3. 4.3 The Community
        1. 4.3.1 TI E2E™ Community
        2. 4.3.2 Community at Large
    6. 5 Schematics
  2.   Revision History

2.1.4 LCD Backlight Circuitry

Most of the circuitry seen on the BoosterPack is a boost converter to power the LCD backlight. The LCD requires approximately 20 V to power the LCD backlight due to the serial voltage drops of the LEDs. This power is derived from the 5-V (VUSB) power rail.