Texas Instruments TPS65197/B 8-Channel Level-Shifter

Texas Instruments TPS65197/B 8-Channel Level-Shifter includes a discharge function intended for use in LCD display applications such as Notebooks, Monitors, and TVs. The device converts the timing-controller (T-CON) logic-level signals to the high-level signals needed by the gate-in-panel (GIP) display. The clock outputs, support normal level shifting operation and 2-channel or 3-channel charge-sharing. This can be used to improve picture quality and power consumption. At power down, all outputs follow their input signals as long as possible. When the discharge function is used, the outputs are pulled high (VGH). Typical applications include GIP LCDs in notebooks, monitors, and TVs.

Features

  • 8-channel level-shifter (STV, RESET, 6 × CLK)
  • High output-voltage level 16.5V to 45V (VGH)
  • Low output-voltage level down to –20V (VGL)
  • Selectable Charge-Sharing
    • No charge-sharing
    • 2-channel charge-sharing
    • 3-channel charge-sharing
  • 2-channel panel discharge
  • T-CON Failure Detection
    • TPS65197: Logic resets by STV pulse
    • TPS65197B: No reset of the logic
  • Latched shut-down detection (clocks to VGH)
  • Supports 100kHz clock operating frequency
  • 28-pin 4mm × 4mm QFN package

Applications

  • Gate-in-Panel (GIP) LCD
    • Notebook
    • Monitor
    • TV
Published: 2015-09-03 | Updated: 2022-03-11