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Product Detailed Parameters
- Description：TOUCHSCREEN CONTROLLER WITH 72 R
- Series：*
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Touchscreen：-
- Resolution (Bits)：-
- Interface：-
- Voltage Reference：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Current - Supply：-
- Grade：-
- Qualification：-
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Overview
The ATMXT1296M1T-ATRVAO is a single-chip touchscreen controller from Microchip Technology's maXTouch M1 series. It provides up to 112 reconfigurable touch channels, supporting large displays up to 20 inches in 16:9 format or 34 inches in 7:1 aspect ratio. The device meets ASIL-A/B functional safety standards under ISO 26262 and includes integrated firmware authentication for secure Over-the-Air updates per ISO 21434:2021. It interfaces via I2C and SPI protocols.
Feature Summary
- Supports large, curved, and free-form touch displays up to 34 inches.
- Meets ASIL-A/B functional safety standards (ISO 26262).
- Includes integrated firmware authentication for secure OTA updates.
- Features up to 112 reconfigurable touch channels.
Applications
- Automotive infotainment systems requiring functional safety certification.
- Large-format curved touch displays in vehicle dashboards.
- Free-form touch interface applications in automotive environments.
Procurement Notes
Verify the specific suffix ATRVAO against official Microchip documentation to confirm package type and temperature range specifications. Ensure compatibility with existing system interfaces before procurement. Check current availability status through authorized distributors as supply levels may vary.
Selection Notes
Select this component when designing for automotive applications requiring ASIL-A or ASIL-B compliance. Ensure the host system supports the required I2C or SPI communication protocols. Verify that the display dimensions fall within the supported 20-inch 16:9 or 34-inch 7:1 limits for optimal performance.
Part Context
This part belongs to the maXTouch M1 series, which expands Microchip's portfolio of automotive-grade touchscreen controllers. It is designed to replace older generations while offering enhanced security features and support for larger, more complex display geometries common in modern vehicles.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified substitutes. Generic equivalents may not meet the specific ASIL-A/B functional safety requirements or firmware authentication capabilities of the M1 series.
FAQ
What functional safety standard does the ATMXT1296M1T-ATRVAO meet?
It meets ASIL-A and ASIL-B standards developed in accordance with Microchip's ISO 26262 Functional Safety Management System.
How is firmware security ensured in this controller?
It includes integrated firmware authentication that enables reliable Over-the-Air (OTA) updates in accordance with ISO 21434:2021.
What is the maximum display size supported by this controller?
It supports displays up to 20 inches in 16:9 format and 34 inches in 7:1 format.
