Microchip Extends maXTouch M1 Technology Household To Assist Massive, Curved and Formed Automotive Shows

ATMXT3072M1 and ATMXT2496M1 single-chip touchscreen controllers carry dependable and safe contact detection to automotive shows together with rising OLED and microLED applied sciences

Automakers are revolutionizing the driving expertise with revolutionary good cockpit designs that function massive shows and rising applied sciences like Natural Gentle Emitting Diodes (OLEDs) and microLEDs, seamlessly mixing performance with model identification. Nevertheless, these developments pose vital challenges for the combination of capacitive contact sensing, particularly with the thinner stack-up and an growing variety of contact electrodes. To deal with these challenges, Microchip Know-how has launched the ATMXT3072M1 and ATMXT2496M1 touchscreen controller households to assist present automotive HMI designers with dependable contact options. The only-chip touchscreen controllers function as much as 112 reconfigurable contact channels—or 162 equal contact channels in ultra-wide mode— enabling the help of huge, curved and free-form contact shows as much as 20 inches in 16:9 format and 34 inches in 7:1 format.

Massive skinny shows, akin to on-cell OLED, embed contact electrodes with larger capacitive masses and stronger coupling of show noise, growing the chance of false or missed contact detections. As a part of the maXTouch touchscreen controller household, the brand new gadgets make use of Microchip’s proprietary Good Mutual contact acquisition methodology and algorithms to extend the contact Sign-to-Noise Ratio (SNR) by as much as +15 dB in comparison with the earlier era.

“The dimensions and look of automotive cockpit shows can considerably affect a purchaser’s notion of the automobile’s technological sophistication. Nevertheless, integrating dependable contact performance into superior shows can current vital challenges,” mentioned Patrick Johnson, senior company vp overseeing Microchip’s human machine interface division. “Our ATMXT3072M1 and ATMXT2496M1 touchscreen controllers tackle these challenges with revolutionary sensing algorithms for quick and dependable contact efficiency. This permits automakers to design cutting-edge, visually beautiful and user-friendly interfaces that improve each the driving expertise and automobile security.”

ATMXT3072M1 and ATMXT2496M1 controllers are designed to be compliant with ASIL-A and B requirements and are developed in response to Microchip’s ISO26262 Purposeful Security Administration System, which is licensed by TÜV Rheinland. Failure Modes, Results and Diagnostic Evaluation (FMEDA) and security manuals are additionally accessible to assist prospects obtain certification for his or her programs’ contact performance extra effectively and cost-effectively. The contact controllers’ firmware is upgradable by the auto’s essential pc system and might be verified utilizing the built-in firmware authentication function, which implements the SHA-512 cryptographic hash operate. This cybersecurity operate permits dependable Over-the-Air (OTA) updates in compliance with ISO 21434:2021 requirements.

To restrict eyes-off-road time and promote safer driving, the Euro NCAP exams in 2026 will seemingly encourage producers to make use of separate bodily controls for fundamental features. Microchip’s Knob-on-Show (KoD) expertise permits for the addition of intuitive bodily knobs on the touchscreen, enhancing security whereas preserving the glossy look of recent automobile shows. Moreover, implementing haptic suggestions on the touchscreen is a acknowledged methodology for decreasing driver distraction. The brand new maXTouch M1 Technology touchscreen controller options devoted features, such because the Form Occasion Set off mixed with automated sample Pulse Width Modulation (PWM), to attain ultra-low-latency haptic management. This innovation transfers the decision-making and era of haptic waveforms from the primary utility host processor to the touchscreen controller.

Go to the maXTouch M1 Technology household webpage to be taught extra about the important thing options of Microchip’s touchscreen controller options.

Growth Instruments

The excellent EV01S50A improvement printed circuit board (PCB) was designed for the ATMXT3072M1 touchscreen controller household to allow prospects to extra simply consider and take a look at the gadgets of their functions. The EV13B92A analysis equipment features a 15.6” ITO contact sensor.

Availability

For added info and to buy, contact a Microchip gross sales consultant or approved worldwide distributor.