Infineon introduces the PSOC™ 4 HV MS series of products, providing a one-chip solution for smart edge-sensor designs for automotive, integrating programmable analog, multi-sense converter, high voltage (12 V) operation, and an Arm® Cortex® CPU. It enables smart edge-sensors integrating analog front-ends with multi-sense converter featuring the most advanced capacitive sensing solution with the 5th generation CAPSENSE™, programmable analog blocks (12-bit SAR ADC, op-amps), digital blocks (PWMs, serial communication blocks), high voltage operation, and enabling automotive functional safety level of ASIL-B according to ISO 26262.
Key features
- 48 MHz Arm® Cortex®-M0+ CPU
- Up to 128 KB flash
- 16 KB SRAM, with ECC
- Multi-sense converter integrating 5th generation CAPSENSE™ and MagSense
- 12-bit, 1-Msps SAR ADC
- ISO 26262 ASIL-B compliant
- Integrated 12V LDO (42V tolerant)
- Integrated LIN/CXPI transceiver
- AutoPDL and CapSense MW support
- 125°C ambient temperature
- DMA controller

Target applications
- PSOC™ 4 HV MS
- Automotive body HMI (touch buttons/sliders/touchpads for steering wheels, door modules, and overhead modules)
- Liquid level and quality sensing
- PTC heaters
Key benefits
- Robust capacitive-sensing performance with very high SNR enabling elegant automotive HMI
- Safe smart sensor and HMI designs with integrated functional safety features
- Connects directly to a 12 V battery supply and to the LIN/CXPI network
- Total system solution (hardware, software, and collaterals)
Use cases
- As several automotive HMI and body application MCUs: PSOC™ 4 HV MS is a mixed signal (MS) MCU with a 12-bit SAR ADC, 5th generation Multi-Sense Converter (MSC) block supporting capacitive sensing (CAPSENSE™), digital peripherals such as PWMs and serial communication interfaces along with a LIN/CXPIinterface with integrated PHY, and a high-voltage subsystem to operate directly off the 12 V car battery