Low-power HMI technology improves robustness, reliability
Infineon Technologies AG as launched its fifth-generation CAPSENSE™ capacitive and inductive touch sensing human-machine interface (HMI) technology. The next-generation CAPSENSE technology with PSoC™ microcontrollers delivers higher performance and lower power consumption for demanding user interfaces in home appliance, industrial, consumer and IoT products. The enhanced HMI enables advanced solutions like proximity sensing with improved detection range, gesture detection and directivity, along with hover detection for tomorrow’s advanced touchscreens.
With the CAPSENSE capacitive touch sensor interface, a user’s finger on the interface forms an electrical connection with embedded sensors. The sensors work with the PSoC device to translate data about the finger’s position into various system control functions. A single PSoC device can replace dozens of mechanical switches and controls with simple, touch-sensitive controls. CAPSENSE-based “button” and slider controls are more reliable than their mechanical counterparts because they are not prone to the environmental wear-and-tear that affects exposed buttons and switches.
With ten times better performance and a tenth of the power consumption of previous generations, the new CAPSENSE technology allows designers to develop more intuitive user interfaces, while significantly reducing overall power consumption to meet the demands of battery-powered IoT devices. The latest CAPSENSE generation is ideal for home appliance and industrial applications including smart door locks, smart switches, thermostats, smart speakers, power tools, industrial touchscreens and other IoT devices. The new technology is also ideal for applications with larger touchscreens in industrial and home appliance products including induction cooktops, washer and dryers, refrigerators, ovens and more.
“This new generation of CAPSENSE technology builds on our established leadership with an all-new ratiometric and differential sensing architecture,” said Steve Tateosian, Vice President of IoT Compute and Wireless Business Unit of Infineon. It provides improved noise immunity, and a robust and reliable HMI solution to perform even in the harshest environments with extreme electrical noises, and under extreme weather and temperature.”
Infineon’s proprietary CAPSENSE technology empowers designers to develop more advanced HMIs on tomorrow’s devices with various touch sensing user interface requirements. With the ultra-low power capabilities and the ability to fit in smaller form factors, this technology is also ideal for touch interfaces on wearables, hearables and smart IoT applications. The new CAPSENSE technology enables advanced HMIs like proximity sensing with improved detection range, gesture detection and directivity. A new, autonomous sensing mode, enables operation without a CPU reducing power consumption and a new ratiometric sensing architecture and differential signal path improves noise immunity and performance.
www.cypress.com/products/capsense-controllers
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