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TSC2008-Q1

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Automotive Catalog Nano-Power Touch Screen Controller with SPI

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Data sheet

TSC2008-Q1

ACTIVE
Data sheet Order now

Product details

Control interface SPI Rating Automotive Operating temperature range (°C) -40 to 105
Control interface SPI Rating Automotive Operating temperature range (°C) -40 to 105
VQFN (RGV) 16 16 mm² (4 mm × 4 mm)
  • Qualified for Automotive Applications
  • 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
  • High-Speed SPI (up to 25MHz)
  • Simple Command-Based User Interface:
    • TSC2046 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 (12-Bit, 8.2kHz Eq Rate):
    • 30.4µA at 1.2V, fSCLK = 5MHz
    • 35.5µA at 1.8V, fSCLK = 10MHz
    • 44.6µA at 2.7V, fSCLK = 10MHz
  • Power-On, Software, and SureSet Resets
  • Enhanced ESD Protection:
    • ±8kV HBM
    • ±1kV CDM
    • ±25kV Air Gap Discharge
    • ±15kV Contact Discharge
  • Latch-Up Exceeds 100 mA per JESD78B - Class I
  • 4 x 4 QFN-16 PackageU.S. Patent No. 6246394; other patents pending.
  • APPLICATIONS
    • Multi-Screen Touch Control Systems

All trademarks are the property of their respective owners.
  • Qualified for Automotive Applications
  • 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
  • High-Speed SPI (up to 25MHz)
  • Simple Command-Based User Interface:
    • TSC2046 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 (12-Bit, 8.2kHz Eq Rate):
    • 30.4µA at 1.2V, fSCLK = 5MHz
    • 35.5µA at 1.8V, fSCLK = 10MHz
    • 44.6µA at 2.7V, fSCLK = 10MHz
  • Power-On, Software, and SureSet Resets
  • Enhanced ESD Protection:
    • ±8kV HBM
    • ±1kV CDM
    • ±25kV Air Gap Discharge
    • ±15kV Contact Discharge
  • Latch-Up Exceeds 100 mA per JESD78B - Class I
  • 4 x 4 QFN-16 PackageU.S. Patent No. 6246394; other patents pending.
  • APPLICATIONS
    • Multi-Screen Touch Control Systems

All trademarks are the property of their respective owners.

The TSC2008-Q1 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on advanced low-voltage processors. 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 TSC2008-Q1 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 TSC2008-Q1 supports an SPI serial bus and data transmission. It offers programmable resolution of 8 or 12 bits to accommodate different screen sizes and performance needs.

The TSC2008-Q1 is available in a 16-pin, 4 x 4 QFN package. The TSC2008-Q1 is characterized for the –40°C to +105°C industrial temperature range.

The TSC2008-Q1 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on advanced low-voltage processors. 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 TSC2008-Q1 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 TSC2008-Q1 supports an SPI serial bus and data transmission. It offers programmable resolution of 8 or 12 bits to accommodate different screen sizes and performance needs.

The TSC2008-Q1 is available in a 16-pin, 4 x 4 QFN package. The TSC2008-Q1 is characterized for the –40°C to +105°C industrial temperature range.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI™ datasheet Jun 28, 2011
Application note PCB Layout Guideline for TI Resistive TSC Devices Oct 4, 2012
Application note TSC2008 Linux® Driver Mar 31, 2009
Application note Reducing Analog Input Noise in Touch Screen Systems (Rev. A) Sep 15, 2007
Analog design Journal Calibration in touch-screen systems Aug 10, 2007
Application note Operation Schemes of Touch Screen Controllers May 21, 2007

Design & development

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Simulation model

TSC2008 IBIS Model

SBAM012.ZIP (74 KB) - IBIS model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
VQFN (RGV) 16 Ultra Librarian
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