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TSC2046EQPWRQ1

更新时间： 2024-01-27 08:10:33
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
28页 803K
描述
LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER

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TSC2046EQPWRQ1 数据手册

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TSC2046E-Q1  
www.ti.com  
SBAS510 –JUNE 2010  
LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER  
Check for Samples: TSC2046E-Q1  
1
FEATURES  
APPLICATIONS  
•
Touch Screen Monitors  
234  
•
Qualified for Automotive Applications  
•
Same Pinout as ADS7846  
PW PACKAGE  
(TOP VIEW)  
•
•
•
•
•
•
•
•
•
2.2-V to 5.25-V Operation  
1.5-V to 5.25-V Digital I/O  
1
16  
15  
14  
13  
12  
11  
10  
9
+VCC  
DCLK  
CS  
Internal 2.5-V Reference  
2
X+  
3
Y+  
DIN  
Direct Battery Measurement (0 V to 6 V)  
On-Chip Temperature Measurement  
Touch-Pressure Measurement  
QSPI™ and SPI™ 3-Wire Interface  
Auto Power-Down  
4
X–  
BUSY  
DOUT  
PENIRQ  
IOVDD  
VREF  
5
Y–  
6
GND  
7
VBAT  
8
AUX  
Exceeds IEC 61000-4-2 ESD Requirements  
–
–
±15kV Contact Discharge  
No External Components Needed  
•
Available In a TSSOP-16 (PW) Package  
DESCRIPTION  
The TSC2046E is the next-generation version of the ADS7846 4-wire touch screen controller, supporting a  
low-voltage I/O interface from 1.5 V to 5.25 V. The TSC2046E is 100% pin-compatible with the existing  
ADS7846, and drops into the same socket. This design allows for an easy upgrade of current applications to the  
new version. The TSC2046E also has an on-chip 2.5-V reference that can be used for the auxiliary input, battery  
monitor, and temperature measurement modes. The reference can also be powered down when not used to  
conserve power. The internal reference operates down to a supply voltage of 2.7 V, while monitoring the battery  
voltage from 0 V to 6 V.  
The low power consumption of less than 0.75 mW (typ) at 2.7 V (reference off), high-speed (up to 125-kHz  
sample rate), and on-chip drivers make the TSC2046E an ideal choice for battery-operated systems such as  
personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable  
equipment. The TSC2046E is available in a TSSOP-16 package and is specified over the -40°C to +125°C  
temperature range.  
ORDERING INFORMATION(1)  
TA  
PACKAGE  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
T2046EQ  
-40°C to 125°C  
TSSOP - PW  
Reel of 2000  
TSC2046EQPWRQ1  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
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.  
2
3
4
QSPI, SPI are trademarks of Motorola Inc.  
Microwire is a trademark of National Semiconductor Corporation.  
All other trademarks are the property of their respective owners.  
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 © 2010, Texas Instruments Incorporated  
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TSC2046EQPWRQ1 替代型号

型号 品牌 替代类型 描述 数据表
TSC2046EIPWRG4 TI

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