CY8C4128LQI-BL573

RF Transceiver ICS Overview

The CY8C4128LQI-BL573 is a PSoC™ 4 microcontroller integrating an AIROC™ Bluetooth® Low Energy transceiver. It features a 24 MHz ARM Cortex-M0 core with 256 KB flash, 32 KB SRAM, and 8 KB ROM. The device supports Bluetooth v4.2 at 2.4 GHz with GFSK modulation, offering 3 dBm output power and -91 dBm sensitivity. It operates on 1.8 V to 5.5 V, includes 36 GPIOs, I2C/SPI/UART interfaces, and comes in a 56-UFQFN package.

RF Transceiver ICS Feature Summary

• Integrates ARM Cortex-M0 processor with Bluetooth Low Energy radio
• Supports Bluetooth v4.2 protocol for wireless connectivity
• Provides programmable analog and digital peripheral blocks

RF Transceiver ICS Applications

• Bluetooth Low Energy sensor nodes
• Wireless wearable devices
• Smart home IoT peripherals

RF Transceiver ICS Procurement Notes

Verify the specific suffix BL573 against official Infineon documentation to confirm package type and tape/reel specifications. Ensure compatibility with required voltage ranges and interface standards before integration. Cross-reference datasheet revisions for any updates to electrical characteristics or pin assignments.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and BLE radio solution is required. The 24 MHz clock speed suits moderate processing loads. Verify that the 256 KB memory capacity meets application firmware requirements. Confirm that the QFN-56 package fits the PCB layout constraints.

RF Transceiver ICS Part Context

This part belongs to the PSoC 4100 BLE series within Infineon's portfolio. It combines programmable system-on-chip capabilities with standard Bluetooth connectivity. The architecture allows flexible peripheral configuration alongside wireless communication functions.

RF Transceiver ICS Replacement Considerations

CY8C4128LQI-BL573T is a tape-and-reel variant of the same device. CY8C4248LQI-BL573 offers a higher 48 MHz clock speed but shares similar memory and package configurations.