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CYW55531
  • CYW55531

CYW55531

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The AIROC™ CYW55531 is a single stream single-band (2.4 GHz) Wi-Fi 6 solution. CYW55531 supports easy onboarding, extended range, network robustness, Matter over Wi-Fi, and advanced security. It is designed to address the needs of the Internet of Things (IoT) devices requiring minimal power consumption, compact size and low system BOM cost. Multiple interfaces (USB, SDIO, and gSPI) are available to accomodate a wide range of MCU/MPUs.

Infineon Technologies CYW55531 Product Info

16 April 2026 0

Parameters

Antenna Configuration

1x1

Bluetooth Interface

N/A

Bluetooth Specification

N/A

Core

Cortex R4

Dimensions

3.00 x 4.47 mm

Family

AIROC™ Wi-Fi + Bluetooth® Combos

Launch Date

2025

Longevity - 15 years

Yes

Longevity - Extended

No

Operating system support

Linux, RTOS

Operating Temperature range

-40 °C to 85 °C

Operating Voltage range

3 V to 4.8 V

Package

WLBGA-74

Partner Module

Y

Pitch

0.4 mm

Planned to be available until at least

01-01-2040

Product Description

Wi-Fi 6 Combo

ROM

1600 KB

SRAM

896 kByte

Wi-Fi Band

2.4GHz

Wi-Fi Bandwidth

20 MHz

WI-FI Interface

SDIO/SPI/USB

Wi-Fi Specification

Wi-Fi 6 (802.11ax)

Features

  • 1x1, Single-Band (2.4 GHz), Wi-Fi 6
  • 1024QAM, 20MHz, 143 Mbps PHY throughput
  • OFDMA, MU-MIMO, Target Wake Time (TWT)
  • BSS Coloring, Dual Carrier Modulation 
  • Extended range & interferance mitigation
  • STA, SoftAP, P2P modes
  • Network offload for fast connection
  • WPA3 Personal / Enterprise Security
  • USB, SDIO, and gSPI host interfaces
  • Advanced Security, PSA level 1 cert
  • Operating range of -40 to +85ºC
  • WLBGA 0.4mm pitch package

Description

  • Optimized throughput & power efficiency
  • Improved network efficiency and range
  • Minimized BOM cost and size
  • Multi-layer security for protection
  • Easy Wi-Fi onboarding
  • Fits into Matter ecosystem
  • Companion to Bluetooth MCU/MPU

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