SiWx915 Wi-Fi 6 plus Bluetooth Low Energy 5.4 Wireless SoCs

Newly Announced

Our SiWx915 SoC is the second in our family of Wi-Fi 6 devices, and is ideal for energy efficient or line powered IoT wireless devices using Wi-Fi®, Bluetooth Low Energy (LE), Matter, and IP networking for cloud connectivity. SiWx915 SoC includes a Wi-Fi 6 plus Bluetooth LE wireless CPU subsystem, and an integrated micro-controller (MCU) application subsystem, Security, memory, peripherals subsystem all in a single 7x7 mm QFN package. The wireless subsystem consists of a network wireless processor running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver and integrated power amplifier. The application subsystem consists of an ARM® Cortex®-M4F running up to 180 MHz, embedded SRAM, and FLASH. The ARM® Cortex®-M4F is dedicated for peripheral and application related processing, while the multi-threaded processor runs the wireless and networking stacks on independent threads, thus providing a high performance, fully integrated solution that is ready for a wide range of embedded wireless IoT applications

Target applications include Smart Homes, Consumer Health and Wearables, Clinical Medical, Industrial, Retail, Smart Building and Cities, Asset Tracking.

Contact Sales Below for Availability

Wi-Fi 6 and Bluetooth LE 5.4, Matter ready
Integrated MCU
ARM® Cortex®-M4 processor with FPU

SiWx915 Specs

Low Power Wireless System on a Chip

  • Wi-Fi 6 single band 2.4 GHz and Bluetooth Low Energy 5.4 wireless radio
  • ARM® Cortex®-M4F application MCU up to 180 MHz
  • Integrated baseband processor, RF transceiver, high-power amplifier, balun and T/R switch
  • Embedded SRAM up to 672 KB
  • Embedded Flash up to 8 MB and optional external PSRAM support
  • Integrated Wi-Fi stack, TCP/IP stack, Bluetooth stack supporting wireless coexistence and Matter

Wi-Fi 6

  • Compliant to 2.4 GHz, single-spatial stream IEEE 802.11 b/g/n/ax
  • Support for 802.11ax 20 MHz features such as OFDMA, BSS Coloring, MU-MIMO, and Target Wake Time (TWT)
  • Transmit power up to +20 dBm with integrated PA
  • Receive sensitivity as low as -97.5 dBm
  • Data Rates: up to 86 Mbps (802.11ax MCS0 to MCS7)
  • Operating frequency range: 2412 MHz - 2484 MHz

Bluetooth Low Energy 5.4

  • Transmit power up to +19.5 dBm with integrated PA
  • Receive sensitivity: LE: -95 dBm, LR 125 Kbps: -106 dBm
  • Operating frequency range: 2402 MHz - 2480 MHz
  • Bluetooth Low Energy 1 Mbps, 2 Mbps and Long-Range modes (125 kbps, 500 kbps)

Matter Support

  • Matter over Wi-Fi with Bluetooth LE commissioning

Microcontroller Subsystem

  • ARM® Cortex®-M4F core with up to 180 MHz
  • Integrated FPU, MPU, and NVIC
  • In-System Programming (ISP) and Over-the-Air (OTA) wireless firmware update
  • Power-On Reset (POR), Brown/Black-out and Black-out Detection
  • Rich set of Analog and Digital Peripherals
  • Digital Peripherals - SDIO, USART, UART, SPI, I2C, I2S, SIO, PWM, QEI
  • Timers: 16/32-bit, 1x 24-bit, WDT, RTC
  • Up to 22 GPIOs (GPIO Multiplexer)
  • Analog Peripherals - 12-bit 16-ch, 5 Msps ADC, 10-bit DAC
  • Op-amps Comparators, IR detector and Temp Sensor, capacitive touch sensor inputs

High Level of Security

  • QSPI Encrypted XIP from Flash (w/ AES-XTS)
  • Secure Zone
  • TRNG, Root of trust (PUF)
  • Secure Boot & OTA, Anti-roll back
  • Advanced Cryptographic Accelerators

Low System Power Consumption

  • Wi-Fi Standby Associated mode current: 120 μA @ 1-second interval
  • Low MCU Sub-system active current: 50 μA/MHz in LP mode

Software and Protocol Support

  • Integrated Wi-Fi stack, TCP/IP stack, Bluetooth stack supporting wireless coexistence
  • Support for Embedded Client mode, Access Point mode, Concurrent Wi-Fi and Bluetooth LE mode in client mode
  • Supports advanced Wi-Fi and Networking security features: WPA, WPA2 (Personal/Enterprise), WPA3 (Personal)
  • Integrated TCP/IP stack supports HTTP/HTTPS, DHCP, SSL/TLS1.3, MQTT
  • Wireless firmware upgrade and provisioning
  • Supports both hosted modes, Radio Co-processor (RCP), Network Co-processor (NCP) and host-less (SoC) modes

Operating Conditions

  • Wide operating supply range: 1.75 V to 3.63 V
  • Operating temperature: -40°C to +85°C  

Package Size

  • QMS: 7.00 mm x 7.00 mm x 0.85 mm



Harnessing the Power of Wi-Fi 6 in the New Age of IoT

This whitepaper covers the rapid evolution of Wi-Fi over the last two decades and dive into the value of Wi-Fi 6 for IoT devices.

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