Fifth generation CAPSENSE controller boosts connectivity

Fifth generation CAPSENSE controller boosts connectivity

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By Nick Flaherty

Infineon Technologies has brought its latest CAPSENSE microcontroller to automotive interfaces with 10x the sensitivity.

The Automotive PSoC 4100S Max family uses the fifth generation of the CAPSENSE capacitive sensing technology and supports higher flash memory densities, GPIOs, CAN-FD, and hardware-based security. The consumer version of the technology was launched back in November 2023.

The controller is available in 100-TQFP (14×14 mm), 64-TQFP (10×10 mm) and 48-QFN (7×7 mm) packages for designs needing multiple sensing pins (50+), configurable scan times to optimize the system’s refresh rate, high-speed communication (CAN-FD, I 2C), and dedicated HW-cryptography for enhanced security while offloading the main CPU. This device offers up to 84 GPIOs and 384 KB of flash memory, making it the largest PSoC4 flash memory in its class.

The Automotive PSoC 4100S Max is AECQ-100 qualified up to 125 °C ambient temperature and also provides support towards ASIL-B (ISO 26262-ready), which helps the integrator to achieve system level compliance for automotive application. This is supported by Infineon’s ModusToolbox development platform for implementation for a variety of use cases.

Start of production for the AEC Q-100 automotive-qualified version is planned for Q1 2024

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