ATWILC3000A-MU-T042

RF Transceiver ICS Overview

The ATWILC3000A-MU-T042 is a System-on-Chip integrating an ARM Cortex-M4 MCU with Bluetooth and Wi-Fi capabilities. It supports 802.11 b/g/n standards at 2.4 GHz and Bluetooth v4.0. The device features a 48-VFQFN exposed pad package. Key electrical parameters include a maximum data rate of 72.2 Mbps, output power of 18.5 dBm, and sensitivity of -74 dBm. Operating voltage ranges from 2.7 V to 4.2 V. Receive current is 61 mA, while transmit current reaches 268 mA. Program memory size is 4 MB.

RF Transceiver ICS Feature Summary

• Integrates ARM Cortex-M4 processor with dual-mode connectivity for simultaneous Bluetooth and Wi-Fi operations.
• Supports highly optimized 802.11-Bluetooth coexistence protocols to manage interference between wireless standards.
• Provides multiple peripheral interfaces including UART, SPI, I2C, and SDIO for flexible system integration.

RF Transceiver ICS Applications

• Smart home devices requiring combined control and connectivity
• IoT sensors needing efficient power management and wireless transmission
• Industrial equipment utilizing robust RF performance in noisy environments

RF Transceiver ICS Procurement Notes

Verify the specific suffix T042 corresponds to tape and reel packaging containing 4000 units. Confirm the operating temperature range meets application requirements, typically spanning -40°C to +85°C. Ensure the 48-VFQFN package footprint aligns with PCB design constraints. Cross-reference the datasheet for exact pinout configurations to avoid interface mismatches during assembly.

RF Transceiver ICS Selection Notes

Select this component when both Bluetooth v4.0 and 802.11 b/g/n Wi-Fi are required on a single chip. Consider the integrated ARM Cortex-M4 core if local processing is needed alongside wireless functions. Evaluate the 4 MB program memory capacity against firmware size requirements. Assess the need for multiple serial interfaces like SPI and UART for peripheral communication.

RF Transceiver ICS Part Context

This part belongs to the SmartConnect WILC3000 family from Microchip Technology. It represents an evolution in integrated wireless solutions, combining high-performance RF with a powerful microcontroller. The family targets applications demanding compact form factors and reduced bill-of-materials by consolidating multiple functionalities into one semiconductor device.

RF Transceiver ICS Replacement Considerations

The ATWILC3000A-MU-Y042 is a documented variant within the same product family. Verify package compatibility and interface pinouts before substitution. Ensure that any alternative maintains the required Bluetooth and Wi-Fi protocol support levels.