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TPS65155 Datasheet LCD Bias Solution

Manufacturer: Texas Instruments

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General Description

The TPS65155 provides an integrated bias and level shifter solution for LCD monitors .

The device integrates a boost converter to generate the source driver supply voltage (VAVDD), positive and negative charge pump controllers to generate gate driver ON (VGH) and OFF (VGL) voltages, and an 6channel level shifter in a single IC.

The positive charge pump controller supports temperature compensation to reduce VGH at high temperatures.

Overview

TPS65155 LCD Bias Solution for LCD Monitors TPS65155 SLVSEE1 – SEPTEMBER 2017.

Key Features

  • 1 3-V to 6-V Input Voltage Range.
  • Boost Converter With 4-A Switch Current Limit.
  • Boost Converter Output Voltages up to 18 V.
  • Boost Converter Overvoltage Protection.
  • Selectable Switching Frequency (640 kHz or 1.2 MHz).
  • Programmable Boost Converter Soft-Start.
  • Temperature-Compensated Positive Charge Pump Controller.
  • Negative Charge Pump Controller.
  • 4 + 2 Channels of Level Shifters.
  • XAO Reset Signal.

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