Microchip announced the expansion of its mTouch Sensing Solutions portfolio, with four turnkey controllers for multi-touch projected-capacitive touchscreens and touchpads, proximity detection and haptic touch feedback.
The MTCH6301 is a turnkey projectedcapacitive touch controller that allows designers to add popular multi-touch and gesture interfaces, eliminating the learning curve and time for creating a design from scratch.
This controller’s sophisticated combination of self and mutual capacitive scanning for XY touchscreens and touchpads enables a host of features including single- and dual-touch drawing, the reporting of 11 single-finger gestures and the detection of up to 10 touches.
The MTCH6301 supports sensor designs with up to 13 x 18 channels and cover lenses up to 5 mm. Additionally, Microchip offers its free Projected Capacitive Configuration Utility with automatic tuning, enabling fast customisation for different screen sizes and top-layer thicknesses. Microchip also provides designers with the firmware library, so they can make further customisations.
The MTCH101 and MTCH112 are turnkey controllers in small packages that provide an easy way to add robust proximity detection with a range of up to 20 cm. Additionally, these low-cost controllers extend battery life with power consumption as low as 5 μA.
The MTCH101/112 also provide advanced noise avoidance and cancelling technology, and can operate standalone or connected to any microcontroller via I²C, making it easy to add touchless operation or user detection to any design.
This is particularly useful for mobile devices that must reduce 3G/4G transmission power in the presence of a user, in order to pass the specific absorption rate (SAR) tests. Proximity detection also enables reduced system power consumption by inducing sleep when no users are present.
The MTCH810 is the first in a family of controllers based on Microchip’s licence of Immersion’s TouchSense haptic feedback technology. This controller enables the easy addition of haptic tactile feedback to any capacitive-touch button or slider interface.
It integrates a single-channel haptic driver output with an industry-standard I²C slave interface that connects to any MCU, all in a small 8-pin package. Designers can differentiate their products while improving the user experience by utilising any of the 14 different haptic effects that are pre-programmed into the controller, such as single vibrate and double vibrate.
The MTCH6301 projected-capacitive controller is available in 44-pin QFN and TQFP packages; the MTCH101 is offered in a 6-pin, SOT-23 package; the MTCH112 is packaged in the 8-pin SOIC and DFN, and the MTCH810 haptic-feedback controller is available in a 3 x 3 mm, 8-pin DFN package.
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