A brand new microcontroller that includes multi-sense capabilities claims to allow new human-machine interface (HMI) and sensing options, starting from modern metallic product designs with touch-on metallic buttons to waterproof contact buttons. Infineon’s PSOC 4 is an Arm Cortex-M0+-based MCU that gives capacitive, inductive, and liquid sensing in a single system.
Determine 1 PSOC 4 integrates capacitive, inductive, and liquid sensing to accommodate quite a lot of HMI makes use of instances. Supply: Infineon
This new MCU combines the corporate’s fifth-generation capacitive sensing know-how, CAPSENSE, with inductive and liquid sensing to optimize efficiency, allow new use instances, and understand price financial savings. For a begin, the fifth-generation CAPSENSE that includes always-on functionality permits sensing at 10x decrease energy consumption and provides a 10x increased signal-to-noise ratio (SNR) than earlier gadgets.
Determine 2 Capacitive sensing (left) and inductive sensing (proper) complement one another to allow new HMI and sensing use instances. Supply: Infineon
Inductive sensing relies on a proprietary methodology that’s much less delicate to noise; it enhances capacitive sensing to allow new HMI use instances like touch-over-metal, pressure contact surfaces, and proximity sensing. This enables builders to create fashionable, metal-based and waterproof designs with modern type components reminiscent of metallic contact buttons on fridges or strong HMI for underwater gadgets reminiscent of cameras and wearables.
Then there may be non-invasive and non-contact liquid sensing, which employs an AI/ML algorithm to facilitate less expensive and correct sensing than mechanical sensors and typical capacitive options. Liquid sensing is immune to environmental components like temperature and humidity and might detect liquid ranges with as much as 10-bit decision in numerous container shapes.
Because of this, it provides capabilities—reminiscent of foam and residue rejection and reliably working with various air gaps between sensor and container—that different liquid sensors don’t assist. So, liquid sensing on PSOC 4 can effectively handle liquids in robotic vacuum cleaners, washing machines, espresso machines, and humidifiers.
Determine 3 PSOC 4 multi-sense eliminates the necessity for a sensor in a liquid and is insensitive to course of variations like gaps between sensor and container. Supply: Infineon
Lastly, CAPSENSE hover contact sensors allow purposes that profit CAPSENSE from having an air hole between the sensor and the contact floor. It leverages extremely delicate capacitive sensing functionality to detect contact interactions from a major distance. That eliminates the necessity for the hole to be bridged utilizing a conductive materials, sometimes a spring or conductive foam.
Determine 4 Hover contact sensing comes into play when a direct contact of a button shouldn’t be required. Supply: Infineon
PSOC 4000T with fifth-generation CAPSENSE and multi-sense functionality is on the market now. One other MCU in PSOC 4 household, PSOC 4100T Plus, providing increased reminiscence and extra I/Os, can be obtainable within the second quarter of 2025.
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The put up Multi-sense MCU permits new HMI and sensing use instances appeared first on EDN.
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