KW45B41Z53AFPBR

RF Transceiver ICS Overview

The KW45B41Z53AFPBR is a low-power, highly secure single-chip wireless MCU from NXP Semiconductors. It integrates an ARM Cortex-M33 core operating at up to 96 MHz with 512 kB Flash and 128 kB SRAM. The device supports Bluetooth Low Energy 5.3 in the 2.36 GHz to 2.48 GHz range, featuring a maximum output power of 10 dBm and sensitivity of -106 dBm. It includes a 16-bit ADC, six timers, and interfaces such as CAN, I2C, SPI, UART, and GPIO. Operating voltage ranges from 1.175 V to 3.6 V, with an operating temperature range of -40°C to +105°C in a 40-pin HVQFN package.

RF Transceiver ICS Feature Summary

• Integrates a high-performance ARM Cortex-M33 processor with secure boot capabilities for robust application execution.
• Supports Bluetooth Low Energy 5.3 protocol with optimized 2.4 GHz RF performance for reliable wireless connectivity.
• Includes integrated CAN FD and LIN bus controllers suitable for automotive network communication requirements.

RF Transceiver ICS Applications

• Smart car keyless entry systems
• Automotive body control modules
• Industrial sensor nodes requiring BLE and wired bus connectivity

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'AFPBR' against official NXP documentation to confirm package type and tape/reel specifications. Ensure compatibility with the KW45B41Z-EVK development environment if prototyping. Confirm RoHS compliance status through the manufacturer's latest declaration. Validate moisture sensitivity levels prior to surface mount assembly processes.

RF Transceiver ICS Selection Notes

Select this component when a combined BLE radio and microcontroller solution is required for space-constrained designs. The 40-pin HVQFN package offers thermal enhancement for high-temperature operation. Consider the 512 kB memory size for complex firmware implementations. Verify interface availability matches system requirements for CAN and LIN integration.

RF Transceiver ICS Part Context

This part belongs to the KW45 family, designed for low-power wireless applications. It complements the KW45B series by providing integrated MCU functionality alongside the radio transceiver. The family targets automotive and industrial markets where security and reliability are critical. It serves as a complete system-on-chip solution reducing bill-of-materials complexity.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers: None identified in provided documentation.