Active and preferred
RoHS Compliant
Lead-free

CYW4373

Data Sheet
package
board
software
Multiple OPNs available
ea.

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CYW4373
CYW4373
ea.
Data Sheet

Product details

  • Antenna Configuration
    1x1
  • Bluetooth Interface
    UART/PCM
  • Bluetooth Specification
    Bluetooth 5.4
  • Core
    Cortex M3
  • CPU
    N/A
  • Dimensions
    5.43 x 4.51 mm
  • Family
    AIROC™ Wi-Fi + Bluetooth® Combos
  • GPIOs
    10
  • Launch Date
    2018
  • Longevity - 15 years
    Yes
  • Longevity - Extended
    No
  • Memory
    N/A
  • Operating system support
    Linux, Android, RTOS
  • Operating Temperature
    -40 °C to 85 °C
  • Operating Voltage
    3.2 V to 4.8 V
  • Package
    WLCSP-128
  • Partner Module
    Y
  • Pitch
    0.4 mm
  • Planned to be available until at least
    01-09-2033
  • Product Description
    Wi-Fi 5 combo
  • ROM
    1088 KB
  • Software Support
    ModusToolbox™
  • SRAM
    384 kByte
  • Wi-Fi Band
    2.4GHz, 5GHz
  • Wi-Fi Bandwidth
    80 MHz
  • WI-FI Interface
    SDIO/SPI/PCIe/USB
  • Wi-Fi Specification
    Wi-Fi 5 (802.11ac)
Recommended
OPN
CYW4373IUBGT CYW43732XKUBGT CYW4373EUBGT
Product Status active and preferred active and preferred active and preferred
Infineon Package
SG-UFWLB-128
SG-UFWLB-128
SG-UFWLB-128
Package Name WLCSP-128 (002-17035) WLCSP-128 (002-17035) WLCSP-128 (002-17035)
Packing Size 5000 5000 5000
Packing Type TAPE & REEL TAPE & REEL TAPE & REEL
Moisture Level 1 1 1
Moisture Packing NON DRY NON DRY NON DRY
Lead-free Yes Yes Yes
Halogen Free Yes Yes Yes
RoHS Compliant Yes Yes Yes
Infineon stock last updated:
 ea. in stock

Product Status
Active
Infineon Package
SG-UFWLB-128
Package Name WLCSP-128 (002-17035)
Packing Size 5000
Packing Type TAPE & REEL
Moisture Level 1
Moisture Packing NON DRY
Lead Free
Halogen Free
RoHS Compliant
ea.
in stock

Product Status
Active
Infineon Package
SG-UFWLB-128
Package Name WLCSP-128 (002-17035)
Packing Size 5000
Packing Type TAPE & REEL
Moisture Level 1
Moisture Packing NON DRY
Lead Free
Halogen Free
RoHS Compliant

Product Status
Active
Infineon Package
SG-UFWLB-128
Package Name WLCSP-128 (002-17035)
Packing Size 5000
Packing Type TAPE & REEL
Moisture Level 1
Moisture Packing NON DRY
Lead Free
Halogen Free
RoHS Compliant
Infineon’s AIROC™ CYW4373/CYW4373E/CYW43732 single-chip combo device features 1x1 dual-band 2.4 GHz and 5 GHz Wi-Fi 5 (802.11ac) and Bluetooth® 5.4. CYW43743E offers extended temperature range (-40 to +85°C). The 43732 offers dedicated LNA for Wi-Fi and Bluetooth® subsystems with integrated 2.4 GHz and 5 GHz power amplifiers and low-noise amplifiers. All versions contain a USB hub and SDIO Wi-Fi host interfaces. CYW4373E also supports PCIe.

Features

  • Wi-Fi 5 (802.11ac) Dual-band (2.4/5 GHz)
  • 1x1 SISO
  • 20/40/80 MHz, up to 433Mbps PHY rate
  • Internal PA+LNA w/ External LNA support
  • Dual-Band ref design for increased range
  • 2.4-GHz Internal and 5-GHz Ext TR Switch
  • Class 1 (100m) & Class 2 (10m) operation
  • Option for separate BT ant (43732 only)
  • Host controller interface(HCI) over-UART
  • Declaration ID  D065388
  • QDID 228194

Benefits

  • Single USB interface for Wi-Fi/BT
  • Dedicated Bluetooth path for Coex
  • Multi-layer security protection

Diagrams

CYW4373
CYW4373
CYW4373 CYW4373 CYW4373
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Documents

Documents

Design resources

Partner solutions

Developer community

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