TPS65149 - 用于使用 ASG / GIP 技术的 LCD 面板的 LCD 偏置解决方案

TPS65149是TI德州仪器公司的一款电流感应放大器、I2C/PMBus监控器产品，TPS65149是用于使用 ASG / GIP 技术的 LCD 面板的 LCD 偏置解决方案，本站介绍了TPS65149的封装应用图解、特点和优点、功能等，并给出了与TPS65149相关的TI元器件型号供参考。

TPS65149 - 用于使用 ASG / GIP 技术的 LCD 面板的 LCD 偏置解决方案 - 电流感应放大器、I2C/PMBus监控器 - 保护、监控和热插拔 - 德州仪器

产品描述

The TPS65149 provides a highly integrated LCD bias solution, primarily intended for monitor applications using ASG/GIP technology.

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, a programmable VCOM generator, and an 8-channel level shifter in a single IC. The positive charge pump controller supports temperature compensation to reduce VGH at high temperatures.

In addition to the above functions, the TPS65149 generates two signals to discharge the display panel during power-down, plus an additional active-low XAO reset output.

Supply sequencing during power-up can be controlled by an externally generated enable signal.

产品特性

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
Eight Channel Level Shifter
Two Panel Discharge Signals
XAO Reset Signal
Digitally Programmable VCOM Buffer
Thermal Shutdown
56-Pin 7×7 mm QFN Package
APPLICATIONS
- LCD Monitors using ASG/GIP Technology

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