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July 5, Infineon Technologies recently launched the new AIROC™ CYW5591x wireless microcontroller (MCU) product family. The new family integrates powerful long-range Wi-Fi 6/6E with low-power Bluetooth 5.4 and secure multifunctional MCUs, enabling customers to build lower-cost and energy-efficient small form factor products for smart home, industrial, wearables and other IoT applications. The platform is highly flexible and enables faster time-to-market for customers. This is made possible by Infineon's ModusToolbox™ software, RTOS and Linux host drivers, a fully validated Bluetooth stack with multiple example codes, support for the Matter software and the support of Infineon's partners worldwide.

This flexible family of wireless MCUs can be used either as the main processor in an IoT device or as a sub-system in more complex designs to provide wireless connectivity for IoT applications. The family is currently available in three versions: the CYW55913 (2.4/5/6 GHz) for tri-band, the CYW55912 (2.4/5 GHz) for dual-band and the CYW55911 (2.4 GHz) for single-band.

Key Features

Other key features of the new product line include:

Arm® Cortex® M33 192MHz MCU with TrustZone® CC312 with 768 KB SRAM

Quad SPI with XIP for real-time FLASH and PSRAM encryption/decryption

1x1 Tri-band (2.4/5/6 GHz) 20MHz Wi-Fi 6/6E (802.11ax)

Up to +24 dBm Wi-Fi transmit power for longer range compared to similar products

Supports 6 GHz (Wi-Fi 6E) greenfield spectrum to reduce congestion and latency

Supports Matter-over-Wi-Fi

Low Power Bluetooth 5.4 supports Low Power Bluetooth 2 Mbps, Long Range Low Power Bluetooth, Broadcast Extension, and Broadcast Code Selection for Long Range Low Power Bluetooth

Low Power Bluetooth range and power optimised for transmit power up to +19 dBm

Long-range low-power Bluetooth sensitivity of -111.5 dBm compares favourably with competing products

Extensive peripheral and GPIO support:

3xSCB (I2C/SPI/UART), TCPWM, 7-channel 12-bit ADC, digital microphone support, TCM (I2S/PCM) and up to 47 GPIOs

Hardware support for AES, RSA, ECC, ECDHA, ECDSA, Root of Trust

Multi-layered security with support for full lifecycle management, secure boot with firmware authentication and encryption, anti-rollback, encryption key creation and management

PSA Level 2 Certification

Infineon makes it easy to do business with a broad ecosystem of module and platform partners to meet customer-specific application requirements.

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