CYW20721B2KWB9GT

RF Transceiver ICS Overview

The CYW20721B2KWB9GT is a Bluetooth Low Energy and Classic Bluetooth System-on-Chip manufactured by Infineon Technologies. It integrates a high-performance ARM Cortex-M4 processor with a 2.4 GHz radio transceiver, supporting Bluetooth v5.1 specifications including Enhanced Data Rate (EDR). The device features a WLCSP-134 package for compact integration. Key memory resources include 320 kB of program memory and 60 kB of data RAM, operating at a maximum clock frequency of 24 MHz. It supports IEEE 802.15.4 protocols and includes multiple GPIOs, timers, and an ADC for versatile IoT application development.

RF Transceiver ICS Feature Summary

• Integrates Bluetooth v5.1 and EDR capabilities with a dedicated 2.4 GHz transceiver
• Combines an ARM Cortex-M4 processor core with extensive on-chip memory resources
• Supports IEEE 802.15.4 protocol stack alongside standard Bluetooth profiles
• Provides flexible I/O interfaces and analog-to-digital conversion for sensor connectivity

RF Transceiver ICS Applications

• Industrial Internet of Things (IoT) devices requiring robust wireless connectivity
• Smart home automation controllers and sensors
• Wearable electronics and health monitoring devices
• Bluetooth mesh networking nodes

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix KWB9GT to ensure compatibility with required packaging formats and industrial temperature ranges. Confirm that the WLCSP-134 package aligns with your PCB footprint constraints. Check current availability status as supply levels may fluctuate. Ensure compliance with RoHS directives if applicable to your manufacturing environment. Validate pinout configurations against your schematic design prior to procurement.

RF Transceiver ICS Selection Notes

Select this component when both Bluetooth Classic and BLE support are necessary within a single chip solution. Consider the integrated ARM Cortex-M4 architecture for complex signal processing tasks without external microcontrollers. Evaluate the 320 kB program memory capacity for firmware requirements. Assess the WLCSP-134 package size against spatial limitations in portable or dense assemblies. Compare power consumption metrics against alternative SoCs for battery-operated use cases.

RF Transceiver ICS Part Context

This part belongs to the CYW20721 series of Bluetooth System-on-Chips from Infineon Technologies. The series targets low-power wireless applications, combining RF performance with MCU capabilities. Variants within the series differ primarily in package types, temperature grades, and specific interface configurations. The CYW20721 family is designed to simplify development through integrated protocol stacks and comprehensive software support libraries.

RF Transceiver ICS Replacement Considerations

CYW20721B2KUMLGT