Datasheet > TPS65149

TPS65149

更新时间： 2024-09-29 11:12:07

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
50页	964K
描述
用于使用 ASG/GIP 技术的 LCD 面板的 LCD 偏置解决方案

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中文翻译

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数据手册
替代型号

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TPS65149 数据手册

TI Information — Selective Disclosure

TPS65149

www.ti.com

SLVSAC1 –SEPTEMBER 2010

LCD Bias Solution for Monitors

Check for Samples: TPS65149

The device integrates a boost converter to generate

the source driver supply voltage (V_AVDD), positive and

negative charge pump controllers to generate gate

FEATURES

•

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

driver ON (V_GH

)

and OFF (V_GL

)

voltages,

programmable V_COMgenerator, and an 8-channel

level shifter in a single IC. The positive charge pump

controller supports temperature compensation to

reduce V_GHat high temperatures.

Selectable Switching Frequency (640 kHz or

1.2 MHz)

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.

•

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

Supply sequencing during power-up can be controlled

by an externally generated enable signal.

V_IN

Boost

Converter

V_AVDD

Digitally Programmable V_COMBuffer

Thermal Shutdown

Negative

V_GL

Charge Pump

56-Pin 7×7 mm QFN Package

Positive

Charge Pump

(Temp. Compensated)

V_GH

APPLICATIONS

•

LCD Monitors using ASG/GIP Technology

I²C

Programmable

VCOM

V_COM

DESCRIPTION

OUT

Level

Shifters

The TPS65149 provides a highly integrated LCD bias

solution, primarily intended for monitor applications

using ASG/GIP technology.

V_DET

DISCHARGE

Reset

XAO

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...50

中文翻译

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TPS65149 替代型号

型号	品牌	替代类型	描述	数据表
TPS65155	TI	功能相似	LCD Bias Solution with Level Shifters for GOA Panels

与TPS65149相关器件

型号	品牌	获取价格	描述	数据表
TPS65149RSHR	TI	获取价格	用于使用 ASG/GIP 技术的 LCD 面板的 LCD 偏置解决方案 \| RSH \| 5
TPS65150	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150PWP	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150PWPG4	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150PWPR	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150PWPRG4	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150-Q1	TI	获取价格	具有集成 VCOM 缓冲器的汽车类、紧凑型 LCD 偏置电源
TPS65150QPWPRQ1	TI	获取价格	具有集成 VCOM 缓冲器的汽车类、紧凑型 LCD 偏置电源 \| PWP \| 24 \| -
TPS65150RGE	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer
TPS65150RGER	TI	获取价格	Low Input Voltage, Compact LCD Bias IC With VCOM Buffer

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