TSC2007

ACTIVE

12-Bit, nanopower, 4-wire micro touch screen controller  

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Product details

Parameters

SAR ADC resolution (Bits) 12 Touch panel 4-Wire Control interface I2C Vref (int/ext) Ext Rating Catalog Operating temperature range (C) -40 to 85 Input type Differential, Single-Ended open-in-new Find other Touch screen controllers

Package | Pins | Size

DSBGA (YZG) 12 0 mm² 1.61 x 2.11 TSSOP (PW) 16 22 mm² 4.4 x 5 open-in-new Find other Touch screen controllers

Features

  • 4-Wire Touch Screen Interface
  • Single 1.2V to 3.6V Supply/Reference
  • Ratiometric Conversion
  • Effective Throughput Rate:
    • Up to 20kHz (8-Bit) or 10kHz (12-Bit)
  • Preprocessing to Reduce Bus Activity
  • I2C™ Interface Supports:
    • Standard, Fast, and High-Speed Modes
  • Simple, Command-Based User Interface:
    • TSC2003 Compatible
    • 8- or 12-Bit Resolution
  • On-Chip Temperature Measurement
  • Touch Pressure Measurement
  • Digital Buffered PENIRQ
  • On-Chip, Programmable PENIRQ Pull-Up
  • Auto Power-Down Control
  • Low Power:
    • 32.24µA at 1.2V, Fast Mode, 8.2kHz Eq Rate
    • 39.31µA at 1.8V, Fast Mode, 8.2kHz Eq Rate
    • 53.32µA at 2.7V, Fast Mode, 8.2kHz Eq Rate
  • Enhanced ESD Protection:
    • ±8kV HBM
    • ±1kV CDM
    • ±25kV Air Gap Discharge
    • ±15kV Contact Discharge
  • 1.5 x 2 WCSP-12 and 5 x 6.4 TSSOP-16 Packages
  • APPLICATIONS
    • Cellular Phones
    • PDA, GPS, and Media Players
    • Portable Instruments
    • Point-of-Sale Terminals
    • Multiscreen Touch Control Systems

U.S. Patent NO. 6246394; other patents pending.
I2C is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.

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Description

The TSC2007 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on an advanced low-voltage processor. It works with a supply voltage as low as 1.2V, which can be supplied by a single-cell battery. It contains a complete, ultra-low power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the control logic to measure touch pressure.

In addition to these standard features, the TSC2007 offers preprocessing of the touch screen measurements to reduce bus loading, thus reducing the consumption of host processor resources that can then be redirected to more critical functions.

The TSC2007 supports an I2C serial bus and data transmission protocol in all three defined modes: standard, fast, and high-speed. It offers programmable resolution of 8 or 12 bits to accommodate different screen sizes and performance needs.

The TSC2007 is available in a 12-lead,(1.555 ±0.055mm) x (2.055 ±0.055mm), 3 x 4 array, wafer chip-scale package (WCSP), and a 16-pin, TSSOP package. The TSC2007 is characterized for the -40°C to +85°C industrial temperature range.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet Nano-Power Touch Screen Controller with I²C™ Serial Interface datasheet (Rev. A) Mar. 02, 2009
Application note PCB Layout Guideline for TI Resistive TSC Devices Oct. 04, 2012
Application note TSC2007 WinCE 6.0 Touch Drivers Apr. 29, 2009
Application note TSC2007 Linux Driver Mar. 31, 2009
Application note TSC2007 WinCE® 5.0 Driver Mar. 31, 2009
Application note Important Considerations to Assure a Safe POR Mar. 10, 2009
More literature Understanding the pen-interrupt (PENIRQ) operation of touch-screen controllers May 16, 2008
Application note Using a touch-screen controller’s auxiliary inputs Oct. 12, 2007
Application note Reducing Analog Input Noise in Touch Screen Systems (Rev. A) Sep. 15, 2007
Application note Calibration in touch-screen systems Aug. 10, 2007
Application note Migrating from TSC2003 to TSC2007 Jul. 17, 2007
Application note Operation Schemes of Touch Screen Controllers May 21, 2007
User guide TSC2007EVM and TSC2007EVM-PDK User's Guide Mar. 26, 2007
Application note Apply TI TSC for Various and Multiple Functions Dec. 11, 2006

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

DRIVER OR LIBRARY Download
Linux Driver for TSC200X
TSC200XSW-LINUX The Linux driver supports the TSC200x family of Nano-Power Touch Screen Controllers. The Linux driver supports communication through the I2C and SPI buses and interfaces with the Input sub-system.

 

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported (...)

Design tools & simulation

SIMULATION MODEL Download
SLAM061.ZIP (109 KB) - IBIS Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

CAD/CAE symbols

Package Pins Download
DSBGA (YZG) 12 View options
TSSOP (PW) 16 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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