ATMXT2496M1E-AVAO

Overview

The ATMXT2496M1E-AVAO is a maXTouch M1 generation single-chip touchscreen controller designed for automotive display applications. It utilizes a unique charge-transfer acquisition engine to implement patented capacitive sensing technology, ensuring reliable and secure touch detection. The device features 100 channels and supports up to 128 nodes within its architecture. It is housed in a TQFP128 package with a lead count of 128. The component operates within an extended temperature range of -40°C to support demanding automotive environments.

Feature Summary

• Implements Microchip's patented capacitive sensing method using a unique charge-transfer acquisition engine
• Provides reliable and secure touch detection capabilities specifically engineered for automotive displays
• Supports high channel density with 100 channels and up to 128 nodes for complex interface requirements

Applications

• Automotive infotainment systems
• Vehicle instrument cluster displays
• In-car navigation interfaces
• Touchscreen control panels for automotive HVAC systems

Procurement Notes

Verify the specific ordering suffix AVAO against official Microchip documentation to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with existing I2C or SPI interface designs. Confirm that the TQFP128 footprint matches the target PCB layout. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity before procurement.

Selection Notes

Select this component when designing automotive displays requiring robust capacitive touch solutions. The M1 generation offers enhanced security and reliability compared to previous iterations. Consider the 100-channel capacity for large screen implementations. Verify that the system architecture supports the required node count and communication protocols compatible with the maXTouch family.

Part Context

This part belongs to the maXTouch M1 generation family, which extends Microchip's touchscreen controller portfolio to meet automotive standards. It complements other models like the ATMXT3072M1 by providing scalable touch solutions. The series focuses on integrating advanced sensing algorithms into single-chip controllers to reduce system complexity while maintaining high performance in harsh environmental conditions.

Replacement Considerations

Consult official Microchip substitution guides for direct replacements. The ATMXT3072M1 may serve as an alternative for higher node requirements. Verify pinout and software compatibility when transitioning between different maXTouch M1 variants.