PENIRQ

I C

Serial

Interface

and

Control

2

SCL

SDA

A0

X+

X-

Y+

Y-

AUX

TEMP

STR

Mux

VDD/REF

Clock

ST

Touch

Screen

Drivers

Interface

FVNF

RESET

GND

SAR

ADC

SureSetControl

SSC

Intercept

Logic

TSC2017

www.ti.com

SBAS472 – DECEMBER 2009

12-Bit, Nanopower, 4-Wire

Micro TOUCH SCREEN CONTROLLER with I2C™ Interface

Check for Samples: TSC2017

1

FEATURES

APPLICATIONS

•

Cellular Phones

234

•

4-Wire Touch Screen Interface

•

PDA, GPS, and Media Players

•

Single 1.6V to 3.6V Supply/Reference

•

Portable Instruments

•

Ratiometric Conversion

•

Point-of-Sale Terminals

•

Effective Throughput Rate:

•

Multiscreen Touch Control Systems

–

Up to 20kHz (8-Bit) or 10kHz (12-Bit)

•

Preprocessing to Reduce Bus Activity

DESCRIPTION

•

I2C Interface Supports:

The TSC2017 is a very low-power touch screen

–

Standard, Fast, and High-Speed Modes

controller designed to work with power-sensitive,

•

Simple, Command-Based User Interface:

handheld applications that are based on an advanced

low-voltage processor. It works with a supply voltage

–

TSC2003/TSC2007 Compatible

as low as 1.6V, which can be supplied by a

–

8- or 12-Bit Resolution

single-cell battery. It contains a complete, ultra-low

•

On-Chip Temperature Measurement

power, 12-bit, analog-to-digital (A/D) resistive touch

screen converter, including drivers and the control

•

Touch Pressure Measurement

logic to measure touch pressure.

•

Digital Buffered PENIRQ

In addition to these standard features, the TSC2017

•

On-Chip, Programmable PENIRQ Pull-Up

offers

preprocessing

of

the

touch

screen

•

Comprehensive Reset Schemes:

measurements to reduce bus loading, thus reducing

–

Power-On, Software, and Hardware Resets

the consumption of host processor resources that can

then be redirected to more critical functions.

•

Auto Power-Down Control

•

Low Power (12-Bit):

The TSC2017 supports I2C serial bus and data

transmission protocol in all three defined modes:

–

39.31

μA at 1.8V, Fast Mode, 8.2kHz Eq Rate

standard,

fast,

and

high-speed.

It

offers

–

53.32

μA at 2.7V, Fast Mode, 8.2kHz Eq Rate

programmable

resolution

of

8

or

12

bits

to

•

Enhanced ESD Protection for IEC Testing:

accommodate different screen sizes and performance

needs.

–

±8kV HBM

–

±1kV CDM

The

TSC2017

is

available

in

a

12-lead,

(1.555 ±0,055mm) x (2.055 ±0,055mm), 3 x 4 array,

–

±25kV Air Gap Discharge

wafer chip-scale package (WCSP). The TSC2017 is

–

±15kV Contact Discharge

characterized for the –40°C to +85°C industrial

•

2.1 x 1.6 WCSP-12 Package

temperature range.

U.S. Patent NO. 6246394; other patents pending.

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

SureSet is a trademark of Texas Instruments.

3

I2C is a trademark of NXP Semiconductors.

4

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.