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TPS65191

更新时间： 2024-11-16 12:21:51
品牌 Logo 应用领域
德州仪器 - TI 驱动器高压
页数 文件大小 规格书
27页 2235K
描述
Triple High-Voltage Scan Driver for TFT-LCD

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TPS65191 数据手册

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TPS65191  
www.ti.com  
SLVS963A –JULY 2009–REVISED AUGUST 2010  
Triple High-Voltage Scan Driver for TFT-LCD  
Check for Samples: TPS65191  
1
FEATURES  
•
32-pin 5-mm × 5-mm QFN Package  
•
•
•
•
•
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  
APPLICATIONS  
•
TFT LCD Using ASG (Amorphous Silicon Gate)  
Technology  
DESCRIPTION  
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.  
RBCS1 RCS1  
RCS2  
VON  
CVON  
RBCS2  
1
2
3
4
5
6
7
8
24  
23  
22  
CKVBCS2  
CKVB2  
NC  
VON  
NC  
CKVB2 to ASG  
CKV3 to ASG  
VOFF  
Vlogic  
CVOFF  
VOFF  
NC  
21  
20  
19  
18  
17  
CKV3  
RCS3  
CKVCS3  
CKVBCS3  
CKVB3  
STVP  
NC  
CDISH  
DISH  
NC  
RBCS3  
CKVB3 to ASG  
STVP to ASG  
DLY  
CDLY  
S0418-02  
1
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.  
Copyright © 2009–2010, Texas Instruments Incorporated  
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TPS65191 替代型号

型号 品牌 替代类型 描述 数据表
TPS65197 TI

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 8-Channel Level-Shifter Supporting Different Charge-Sharing Methods and Panel
TPS65190 TI

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