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CYW4373 | Cypress Semiconductor

CYW4373

CYW4373/CYW4373E/CYW43732 Features

Infineon’s AIROC™ CYW4373/CYW4373E/CYW43732 single-chip combo device features 1x1 Dual-Band 2.4GHz and 5GHz Wi-Fi 5 (802.11ac) and Bluetooth 5.2. The “E” version offers extended temperature range (-40 to 85C) support and the CYW43732 offers support for dedicated LNA for the Wi-Fi and Bluetooth subsystems. Included on-chip are 2.4 GHz and 5 GHz power amplifiers and low-noise amplifiers. All versions offer a USB hub and SDIO Wi-Fi host interfaces with the CYW4373E also offering PCIe.

 

Wi-Fi Features

  • Wi-Fi 5 (802.11ac), Dual-band (2.4/5 GHz)

  • 1x1 SISO

  • 20/40/80 MHz channels, up to 433Mbps PHY data rate

  • Internal PA and LNA with support for external PA/LNAs

  • Dual-Band ePA/eLNA reference design available for increased range

  • 2.4-GHz Internal TR Switch (iTR) / 5-GHz External TR Switch (eTR)

Bluetooth Features

  • Class 1 (100 m) and Class 2 (10 m) operation

  • Dedicated Bluetooth (dLNA) path for best coexistence for Audio

  • BT RX path shared with WLAN RX path for reduced antenna count (sLNA)

  • Host controller interface (HCI)-over-UART

  • Dedicated Bluetooth path for best Coex performance

General Features

  • Common USB Hub between Wi-Fi and BT eliminates external USB Hub IC and enables driving long, low-cost cables for Printers and DTV

Coexistence

  • 2-wire SECI for external BT/LTE

  • 3-wire GCI

Package

  • 128-ball WLBGA (4.51x5.43mm; 0.4mm ball pitch)

Operating Temperature

  • CYW4373 (sLNA)/CYW43732(dLNA): -20C to +70C

  • CYW4373E (sLNA): -40C to +85C

Applications

  • IoT

  • Gateways

  • Smart Speakers

  • Audio

  • Printers

  • DTV

  • IP Cameras

  • Door Bells

 

CYW4373/CYW4373E/CYW43732 Block Diagram

CYW4373 Block Diagram

 

Getting Started with the CYW4373


 

ModusToolbox Software and Tools

ModusToolbox™ was built to make the developers life easy. It is a collection of easy-to-use software and tools enabling rapid development of Infineon MCUs, covering applications from embedded sense and control to wireless and cloud-connected systems using AIROC™ Wi-Fi, AIROC™ Bluetooth® and AIROC™ Wi-Fi and Combo devices.

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Document Type Title English
Datasheet CYW4373 Single-Chip Dual Band WiFi IEEE 802.11 a/b/g/n/ac MAC/Baseband/Radio with Integrated Bluetooth 5.0 (PRELIMINARY)
CYW4373 Single-Chip Dual Band WiFi IEEE 802.11ac a/b/g/n MAC/Baseband/Radio with Bluetooth 5.0 for Industrial Applications

ModusToolbox Software and Tools

ModusToolbox™ was built to make the developers life easy. It is a collection of easy-to-use software and tools enabling rapid development of Infineon MCUs, covering applications from embedded sense and control to wireless and cloud-connected systems using AIROC™ Wi-Fi, AIROC™ Bluetooth® and AIROC™ Wi-Fi and Combo devices.

Learn More

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Linux® Support

Linux drivers are available for several AIROC™ Wi-Fi products. Visit the Cypress community to learn more about Linux support.

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Linux Support

 

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