Microchip Technology has again expanded its maXTouch M1 family of touchscreen controllers to bring reliable and secure touch detection to an even greater range of automotive displays, now covering free-form widescreen format displays up to 42 inches down to small compact screens in the 2 to 5 inch range. The ATMXT3072M1-HC and ATMXT288M1 products are designed to work with a wide variety of display sizes, while supporting emerging technologies such as OLEDs and microLEDs.
The M1 controllers utilise Microchip’s proprietary Smart Mutual touch acquisition scheme and advanced algorithms to boost the touch SNR by up to 15 dB compared to previous generations. Smart Mutual technology is engineered to deliver reliable touch detection even on integrated touch sensors exposed to high capacitive loads and significant display noise coupling. This capability is particularly critical for large, thin displays such as on-cell OLEDs, where embedded touch electrodes are subjected to higher capacitive loads, raising the risk of false or missed touch detections.
The ATMXT3072M1-HC is designed for large, continuous touch sensor designs that cover both the cluster and centre information display, addressing the needs of left- and right-hand drive vehicles with a single hardware design. This can help eliminate the need for dedicated hardware designs by the OEM and simplify global automotive market support.
For small screens, the ATMXT288M1 is designed to meet the increasing demand for compact automotive display solutions, such as traditional analogue clocks and AI driver assistants, where physical space constraints are critical
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