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Product Detailed Parameters
- Description：IC SENSOR MAXTOUCH
- Series：maXTouch™
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Type：-
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Overview
The ATMXT224SL-MAHR is a touchscreen controller from Microchip Technology's maXTouch family, designed for high-performance capacitive touch applications. It supports up to 224 nodes, enabling complex gesture recognition and multi-touch interactions. The device integrates a QMatrix sensing architecture for robust noise immunity and reliable operation in electrically noisy environments. It features an I2C interface for communication with host processors and includes built-in self-test capabilities for manufacturing validation.
Feature Summary
- Supports up to 224 touch nodes for advanced multi-touch and gesture control
- Integrates QMatrix technology for enhanced noise immunity and reliability
- Includes built-in self-test functionality for production line verification
Applications
- Industrial human-machine interfaces (HMIs)
- Medical device control panels
- Automotive infotainment systems
Procurement Notes
Verify the specific suffix MAHR against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing firmware configurations before procurement. Check for any recent product change notifications that may affect pinout or electrical characteristics.
Selection Notes
Select this component when a high node count is required for complex gestures. Compare with lower-node variants if cost or pin count is constrained. Verify I2C speed requirements and voltage levels match the system design. Consider thermal performance for enclosed industrial enclosures.
Part Context
This part belongs to the maXTouch 224-series, which offers scalable touch solutions. It shares architectural similarities with other ATMXT224 variants but differs in packaging and environmental ratings. The SL suffix typically indicates a specific package option within the broader ATMXT224 family.
Replacement Considerations
Direct substitutes include other ATMXT224 variants with compatible packages. Verify pin-to-pin compatibility and firmware support before substitution. Cross-reference with Microchip's official replacement guide for qualified alternatives.
