CYW43455 | Cypress Semiconductor

CYW43455 Features

Infineon’s AIROC™ CYW43455 single-chip combo device features 1x1 Dual-Band 2.4GHz and 5GHz Wi-Fi 5 (802.11ac) and Bluetooth 5.0. The CYW43455 single-chip device provides the highest level of integration for Internet of Things applications and handheld wireless system with integrated single-stream IEEE 802.11ac MAC/baseband/radio and Bluetooth 5.0. In IEEE 802.11ac mode, the WLAN operation supports rates of MCS0–MCS9 (up to 256 QAM) in 20 MHz, 40 MHz, and 80 MHz channels for data rates of up to 433.3 Mbps. Included on-chip are 2.4 GHz and 5 GHz transmit amplifiers and receive low-noise amplifiers. Optional external PAs and LNAs are also supported.

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
2.4-GHz Internal TR Switch (iTR) / 5-GHz External TR Switch (eTR)
SDIO v3.0 host interface

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

General Features

WPA2

Coexistence

2-wire SECI for external BT/LTE
3-wire GCI

Package

140-ball WLBGA (4.47x5.27mm; 0.4mm ball pitch)

Operating Temperature

-30C to +85C

Applications

IoT
Gateways
Smart Speakers
Audio
Printers

CYW43455 Block Diagram

Getting Started with the CYW43455

CYW43455 Datasheet
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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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