TSC2003
4-wire resistive touch screen controller with direct battery measurement and temperature sensor
TSC2003
- 2.5V TO 5.25V OPERATION
- INTERNAL 2.5V REFERENCE
- DIRECT BATTERY MEASUREMENT (0.5V TO 6V)
- ON-CHIP TEMPERATURE MEASUREMENT
- TOUCH-PRESSURE MEASUREMENT
- I2C INTERFACE SUPPORTS:
Standard, Fast, and High-Speed Modes - AUTO POWER DOWN
- TSSOP-16 AND VFBGA-48 PACKAGES
- APPLICATIONS
- PERSONAL DIGITAL ASSISTANTS
- PORTABLE INSTRUMENTS
- POINT-OF-SALES TERMINALS
- PAGERS
- TOUCH SCREEN MONITORS
- CELLULAR PHONES
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The TSC2003 is a 4-wire resistive touch screen controller. It also features direct measurement of two batteries, two auxiliary analog inputs, temperature measurement, and touchpressure measurement.
The TSC2003 has an on-chip 2.5V reference that can be utilized for the auxiliary inputs, battery monitors, and temperature- measurement modes. The reference can also be powered down when not used to conserve power. The internal reference will operate down to 2.7V supply voltage while monitoring the battery voltage from 0.5V to 6V.
The TSC2003 is available in the small TSSOP-16 and VFBGA-48 packages and is specified over the –40°C to +85°C temperature range.
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Technical documentation
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | I²C™ Touch-Screen Controller datasheet (Rev. G) | 21 Jun 2007 | |
| Application note | PCB Layout Guideline for TI Resistive TSC Devices | 04 Oct 2012 | ||
| Application note | Powering Up the TSC2003 Correctly | 29 Apr 2011 | ||
| More literature | Understanding the pen-interrupt (PENIRQ) operation of touch-screen controllers | 16 May 2008 | ||
| Analog Design Journal | Using a touch-screen controller’s auxiliary inputs | 12 Oct 2007 | ||
| Application note | Reducing Analog Input Noise in Touch Screen Systems (Rev. A) | 15 Sep 2007 | ||
| Analog Design Journal | Calibration in touch-screen systems | 10 Aug 2007 | ||
| Application note | Migrating from TSC2003 to TSC2007 | 17 Jul 2007 | ||
| Application note | Operation Schemes of Touch Screen Controllers | 21 May 2007 | ||
| Application note | Apply TI TSC for Various and Multiple Functions | 11 Dec 2006 | ||
| Application note | How to Use TI's 4-Wire TSC to Control an 8-Wire Resistive Touch Screen | 27 Mar 2006 | ||
| Application note | TSC2003 WinCE 5.0 Driver | 03 Nov 2005 |
Design & development
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| TSSOP (PW) | 16 | Ultra Librarian |
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