Product Model

CYW43438KUBGT

Introduction

Infineon CYW43438KUBGT RF Transceiver IC with integrated microcontroller for Bluetooth and WiFi connectivity

Brand and Manufacturer

Infineon Technologies

Features

Integrated TxRx with MCU

Supports Bluetooth and WiFi protocols

11b/g/n compatible

Bluetooth v4.0 compliant

8DPSK, DQPSK, GFSK modulation methods

Product Performance

4GHz operating frequency

Maximum data rate of 54Mbps

Output power of 21dBm

Good receiver sensitivity at -99dBm

Technical Specifications

640kB ROM size

512kB SRAM size

I2S, SPI, UART serial interfaces

5 GPIOs available

Dimensions, Shape, and Packaging

Surface Mount, 63-UFBGA, WLBGA package

Packaged in Tape & Reel for easy assembly

Compact footprint: 63-WLBGA (2.87x4.87)

Quality and Reliability

High-quality components suited for tough temperature ranges

Reliable performance, although marked Not For New Designs

Product Advantages

Integrated MCU and transceiver reduces component count

Dual-mode connectivity (Bluetooth + WiFi)

Product Competitiveness

Designed for space and power-constrained applications

High integration for IoT devices

Compatibility

Compatible with a wide range of supply voltages from 1.2V to 3.3V

Standard Certification and Compliance

Complies with international RF standards for Bluetooth and WiFi

Lifespan and Sustainability

Durable over an operational temperature range of -30°C to 70°C

Actual Application Fields

Ideal for smart home devices, IoT applications, and portable electronics

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