ATMXT3072M1E-AVAO

Overview

The ATMXT3072M1E-AVAO is a single-chip touchscreen controller from Microchip Technology's maXTouch M1 series. It provides up to 112 reconfigurable touch channels, expandable to 162 equivalent channels in ultrawide mode. The device supports large, curved, and free-form touch displays, accommodating formats such as 20-inch 16:9 and 34-inch 7:1 screens. Designed for automotive applications, it meets ASIL-A/B functional safety standards and complies with ISO 26262 requirements. Firmware updates are supported via the vehicle's main computer, with verification handled by integrated firmware authentication mechanisms.

Feature Summary

• Supports up to 112 reconfigurable touch channels or 162 equivalent channels in ultrawide mode
• Compatible with large, curved, and free-form displays up to 34 inches
• Meets ASIL-A/B functional safety standards per ISO 26262
• Features integrated firmware authentication for secure updates

Applications

• Automotive infotainment systems requiring large display support
• Curved or free-form touchscreen interfaces in vehicles
• Safety-critical human-machine interaction (HMI) modules

Procurement Notes

Verify the specific suffix AVAO against official Microchip documentation to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with existing I2C interface designs and power supply requirements before procurement. Cross-reference the part number with current production status notices to avoid obsolete components.

Selection Notes

Select this controller for applications demanding high channel counts and functional safety certification. Compare channel density against smaller variants like the ATMXT2496M1 if display size permits. Validate that the system architecture supports the required I2C communication speed and that the host processor can handle the firmware update process securely.

Part Context

This component belongs to the maXTouch M1 series, an expansion of Microchip's touchscreen controller portfolio. It is engineered specifically for automotive environments, distinguishing itself from consumer-grade controllers through rigorous functional safety compliance. The series targets next-generation vehicle interiors with complex display geometries.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference material. Consult Microchip's official obsolescence notifications or cross-reference guides for potential alternatives if this specific variant becomes unavailable.