DAV

SCL

SDA

PENIRQ

X–

X+

Y–

Y+

Touch Screen

Drivers

Interface

AUX/IRRX

(optional)

RESET

PINTDAV

Haptic

Controller

Parameters

Profiler

Enhanced ESD

H–/U–

H+/U+

Touch Engine

With

Analog Signal

Processing

Touch Screen

Controller

Status Register

TEMP

External H-

Bridge Driver

GPIO1/D–/IRTX

GPIO0/D+/IRPWN

AD0

Overcurrent

Protection

H-Bridge Driver

10~20kHz

PWM

TSC2011

www.ti.com

SBAS516

– NOVEMBER 2011

™ Serial Interface

Check for Samples: TSC2011

1

FEATURES

•

4-mm

×4-mm QFN-20 and 2.5-mm×2.5-mm

WCSP-25 (Preview) Packages

2

•

Advanced 4-Wire Touch Screen Interface

U.S. Patent No. 6,246,394; 7,812,830; 7,965,280; 7,999,793

•

Preprocessing to Reduce Bus Activity

•

Integrated Haptic Feedback Control

APPLICATIONS

– On Chip H-Bridge: 250mA with Over

•

Smart Phones, MP3, PMPs, Games

Current Status

•

Portable Industrial/Medical Instruments, POS

– On Chip PWM: 20KHz to 160KHz, 0% to

100%

DESCRIPTION

– On Chip Synthesizer (10Hz~20KHz Sine)

The TSC2011 is a very low power Touch Screen

– Wave Amplitude Modulation: 255 Levels

Controller designed to work with a low cost 4-wire

•

resistive

touch

sensor

but

also

includes

a

comprehensive set of haptic feedbacks to provide a

•

Register-Based Programmable

complete human machine interface. Unlike other

– 10-Bit or 12-Bit ADC Resolution

competing solutions that rely on a simple, one way

– Sampling Rates

"trigger" mechanism, the haptic controller and touch

screen

controller

work

side-by-side

to

ensure

– On Chip Command Profiler

consistent haptic effect and touch detection. This

– GPO Pins for External Drive or IR TX

synchronized operation minimizes the skew between

•

Low Power Design:

detection and feedback, reducing system power

consumption. Other advanced features include a

– Single 1.2V to 3.6V Supply Possible

bandwidth saving preprocessing, integrated H-bridge

– Low Power Haptic Driver (PWM+H-Bridge)

to drive actuator and GPO pins may be used for an

– Auto Power Down

IR proximity circuit. These make the TSC2011 a

perfect device for low cost consumer applications that

– 590µW at 1.8V, 50SSPS

can benefit from many new bidirectional human

– 450µW at 1.6V, 50SSPS

machine interactions such as touch, gaming, and

– 50µW at 1.2V, 8.2kSPS

supplemental effects of ring tone.

•

Enhanced IEC ESD Protection

– ±25kV Air Discharge, ±15kV Contact

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

PRODUCT PREVIEW information concerns products in the

Copyright

© 2011, Texas Instruments Incorporated

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.