World’s First Security Licensed Capacitive Touchscreen Controller Household for the Residence Equipment

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To cut back the danger of fires within the kitchen and likewise floods within the laundry room, European IEC 60730 and U.S. UL 60730 Class B specs require security mechanisms in dwelling home equipment, akin to ovens, cooktops, washing machines and garments dryers. Serving to designers meet these purposeful security necessities in contact display screen enabled home equipment, Microchip Technology Inc. introduced its maXTouch® MXT336UD-MAUHA1 Capacitive Touchscreen controller household the market’s solely touchscreen controllers to supply pre-certified, Class B firmware. The household contains three controllers, the MXT112UD-MAUHA1, the MXT228UD-MAUHA1 and the MXT336UD-MAUHA1, every fulfilling completely different display screen dimension wants, starting from 2-to 8-inches.  

The Class B licensed contact controllers provide distinctive safety-related options that allow system shut off by an intuitive tender button on a touchscreen, eradicating the requirement for an exterior security licensed cease or cancel button and related microcontroller (MCU). Additionally they permit an equipment to detect a touchscreen or equipment failure and shut down routinely by a wide range of self-testing capabilities. For instance, if the glass breaks on a cooktop, the touchscreen will flip darkish and shut off the machine, eliminating unintended injury within the dwelling. Because the variety of contact enabled dwelling home equipment proceed to extend, the MXT336UD-MAUHA1 household shifts the required security performance to a simplified single touchscreen interface, serving to OEMs cut back prices and enhance time to market.  

“As a result of danger of home fires attributable to dwelling home equipment, equipment producers should add purposeful security to their machines, and Microchip’s MXT336UD-MAUHA1 touchscreen controller household is already licensed for these required security requirements,” mentioned Fanie Duvenhage, vice chairman of Microchip’s human machine interface enterprise unit. “Integrating Class B certification into our contact controllers eases the design and qualification course of for contact enabled home equipment, in the end placing security first, whereas lowering prices and enabling trendy person interface options.” 

As well as, this new household leverages a excessive sign to noise ratio (SNR) design and proprietary differential mutual acquisition scheme. This enables the machine to reliably detect and observe a number of fingers on surfaces uncovered to moisture, water, grease and extra — even when the person is sporting gloves.  

Growth Instruments 

Software and {hardware} instruments can be found. Software instruments embody maXTouch Studio and maXTouch Analyzer. {Hardware} instruments embody an analysis package, out there upon request.  

Pricing and Availability 

The MXT336UD-MAUHA1 household is on the market in quantity manufacturing beginning at $1.82 in 10,000-unit portions. 

For extra info, contact Microchip’s website.

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