News
Infineon expands automotive offering with programmable high voltage PSoC™ 4 HVMS family for touch-enabled HMI and other smart sensing applications
10/04/2024In the automotive industry, security and functional safety are playing an increasingly important role even in low-end microcontroller applications. At the same time, vehicle manufacturers are replacing mechanical buttons by touch enabled surfaces that blend into a clean cockpit or steering wheel. As a result, there are strong space limitations for the electronic circuits, and a demand for highly integrated ICs with a small form factor. To tackle these challenges, Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) introduces the PSoC™ 4 HVMS family of automotive microcontrollers, integrating high voltage features (12 V-regulator and LIN/CXPI-transceiver) in combination with advanced analog features (CAPSENSE™, Inductive sensing), ISO26262 compliant and ISO21434 ready.
Target applications include touch-enabled automotive HMIs (Human Machine Interfaces) with touch buttons, sliders, and touchpads for controlling HVAC, interior lighting, power windows/sunroofs or in door handles. In steering wheels, the PSoC 4 HVMS is used for touch sensing as well as safety-critical hands-off detection. The latest generation CAPSENSE module also supports proximity detection for occupant detection or foot kick control. In addition to HMI applications, the PSoC 4 HVMS is also used in generic sensing applications (such as liquid level sensing, Wheatstone bridge sensing, etc.) or in simple actuators such as a PTC heater or interior/exterior lighting.
The PSoC 4 HVMS family is AEC-Q100 qualified and offered in small footprint QFN packages with wettable flanks. The ICs offer scalability and pin compatibility across devices. ISO26262 ASIL-B compliance ensures safe operation at temperatures up to 125°C. The family is based on ARM® Cortex®-M0+ processors with up to 128 KB of embedded flash and 16 KB of SRAM. The microcontrollers can be powered directly from a 12 V battery and include LIN and CXPI PHY. For capacitive sensing applications, the device supports the latest 5th generation CAPSENSE technology with eight times better SNR than the previous generation, support for high parasitic capacitance up to 3000 pF and support for overlays up to 18 mm. Additional analog integration includes a 12-bit SAR ADC, up to two operational amplifiers and low power comparators.
The microcontroller family is accompanied by comprehensive software support including Automotive Peripheral Driver Library (AutoPDL), Automotive Middleware Library for CAPSENSE, and the Safety Library (SafeTlib) for Automotive PDL, accelerating the time-to-market by significantly reducing customer development time. The software package is developed in adherence to automotive software development processes, including ASPICE, MISRA2012 AMD1, and CERTC coding standards, and guarantees industry-leading reliability and compliance. The PSoC 4 HVMS software package is ISO26262 compliant and developed as a Safety Element out of Context (SEooC) for applications with safety targets up to ASIL-B. The ModusToolbox™ software development platform will be additionally available soon.
32-bit PSoC™ 4 High Voltage family provides one-chip solutions for smart sensors integrating analog front-end, MCU, and connectivity saving board space
PSoC™ 4 HV (High Voltage) is a family of products providing one-chip solutions for smart sensor designs for automotive. It integrates high precision and programmable analog blocks, programmable digital blocks along with high-voltage (12V) operation integrating communication transceivers such as LIN / CXPI PHY, and an ARM Cortex M0+ CPU with embedded memory.
PSoC™ 4 HV family devices are designed to be compliant with the automotive functional safety level of ASIL-B according to ISO 26262.
32-bit PSoC™ Automotive High voltage Arm® Cortex®-M0+ portfolio
PSoC™ HV PA Decoder
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