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TPS65642 Datasheet LCD Bias

Manufacturer: Texas Instruments

Overview: TPS65642 www.ti.com SLVSBX6 – JULY 2013 LCD Bias with Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors Check for Samples: TPS65642 1 Introduction 1.

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General Description

The TPS65642 is a compact LCD bias solution primarily intended for use in Notebook and Tablet PCs.

The device comprises two boost converters to supply the LCD panel's source driver and gate driver/level shifter;

two buck converters and an LDO linear regulator to supply the system's logic voltages;

Key Features

  • 1.
  • 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).
  • 14-.

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