TPS65191 - 用于 LCD 显示屏的 7 通道电平转换器（三通道扫描驱动器）

TPS65191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，TPS65191是用于 LCD 显示屏的 7 通道电平转换器（三通道扫描驱动器），本站介绍了TPS65191的封装应用图解、特点和优点、功能等，并给出了与TPS65191相关的TI元器件型号供参考。

TPS65191 - 用于 LCD 显示屏的 7 通道电平转换器（三通道扫描驱动器） - 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 TPS65191 is a triple high-voltage scan driver to drive an ASG (amorphous silicon gate) circuit on TFT glass. Each single high-voltage scan driver receives logic-level inputs of CPVx and generates two high-voltage outputs of CKVx, CKVBx. The device receives a logic-level input of STV and generates a high-voltage output of STVP. These outputs are swings from Voff (–28 V) to Von (35 V) and are used to drive the ASG circuit and charge/discharge the capacitive loads of the TFT LCD. In order to reduce the power dissipation of device, a charge-share function is implemented. The device features discharge function, which shorts Voff to GND in order to shut down the panel faster when the LCD is turned off.

产品特性

Triple High-Voltage Scan Driver
Scan Driver Output Charge Share
High Output-Voltage Level: Up to 35 V
Low Output-Voltage Level: Down to –28 V
Logic-Level Inputs
32-pin 5-mm × 5-mm QFN Package
APPLICATIONS
- TFT LCD Using ASG (Amorphous Silicon Gate) Technology

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