TSC2003IZQCR

Overview

The TSC2003IZQCR is a resistive touch screen controller manufactured by Texas Instruments. It features an internal 12-bit analog-to-digital converter and supports I2C, SPI, and serial interfaces for communication with host processors. The device operates on a single power supply ranging from 2.7 V to 5.5 V. Key functional blocks include a programmable internal reference voltage, a temperature sensor, and a battery monitor. Designed for low-power applications, it offers multiple power-down modes to minimize energy consumption during idle periods.

Feature Summary

• Integrated 12-bit ADC with internal reference voltage
• Supports I2C, SPI, and Serial interface protocols
• Includes integrated temperature sensor and battery monitor
• Operates on a single 2.7 V to 5.5 V power supply

Applications

• Resistive touch screen control in portable devices
• Battery-powered handheld instruments
• Industrial control panels requiring low power consumption

Procurement Notes

Verify the specific suffix 'IZQCR' against official Texas Instruments documentation to confirm package type (typically QFN) and tape-and-reel quantity. Ensure compatibility with the target system's I2C or SPI clock speeds and voltage levels before procurement.

Selection Notes

Select this component when a resistive touch interface requires high resolution (12-bit) and low power consumption. Compare against the ADS7843 series if higher sampling rates are needed, as the TSC2003 prioritizes power efficiency and integrated sensors over raw speed.

Part Context

The TSC2003 belongs to the TSC family of touch screen controllers from Texas Instruments. It is designed to replace older discrete solutions by integrating the ADC, reference, and interface logic into a single small-footprint package suitable for space-constrained mobile electronics.

Replacement Considerations

Direct pin-compatible replacements within the same family include the TSC2004 and TSC2005. For broader compatibility, the ADS7846 may serve as a functional alternative, though it lacks the integrated temperature sensor and battery monitor found in the TSC2003.

FAQ

What interfaces does the TSC2003 support?

The TSC2003 supports I2C, SPI, and standard serial interfaces, allowing flexibility in connecting to various host microcontrollers.

Does the TSC2003 include a temperature sensor?

Yes, the device integrates a temperature sensor that can be accessed via the digital interface.

What is the operating voltage range?

The TSC2003 operates on a single power supply ranging from 2.7 V to 5.5 V.