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TPS65642A Datasheet LCD Bias

Manufacturer: Texas Instruments

Overview: TPS65642A www.ti.com SLVSC21 – OCTOBER 2013 LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors Check for Samples: TPS65642A 1 Introduction 1.

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General Description

The TPS65642A device is a compact LCD bias solution primarily intended for use in notebook and tablet PCs.

The device comprises two boost converters to supply the source driver and gate driver, or level shifter, of the LCD panel;

two buck converters and a low-dropout (LDO) linear regulator to supply the system logic voltages;

Key Features

  • 123.
  • 2.6 V to 6 V Input Voltage Range.
  • Synchronous Boost Converter (AVDD).
  • Non-Synchronous Boost Converter With Temperature Compensation (VGH).
  • Synchronous Buck Converter (VCORE).
  • Synchronous Buck Converter (VIO1).
  • Low Dropout Linear Regulator (VIO2).
  • Programmable VCOM Calibrator With Two Integrated Buffer Amplifiers.
  • Gate Voltage Shaping.
  • Panel Discharge Signal (XAO).
  • System Reset Signal (RST).
  • 1.

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