ATWILC1000B-UU-Y

RF Transceiver ICS Overview

The ATWILC1000B-UU-Y is an RF System on a Chip (SoC) from Microchip Technology, part of the SmartConnect WILC1000 chipset family. It integrates an IEEE 802.11b/g/n radio, baseband, MAC link controller, and APS3 core. Key electrical parameters include a 2.4 GHz operating frequency, maximum data rate of 72.2 Mbps, output power of 18.6 dBm, and sensitivity of -94 dBm. It operates on a supply voltage range of 1.62 V to 4.2 V, with receive current of 63 mA and transmit current of 266 mA. The device features 128 kB of program memory and functions within a temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Integrates full-stack Wi-Fi connectivity including radio, baseband, and MAC controller in a single chip.
• Optimized for low-power IoT applications with advanced power management capabilities.
• Supports multiple host interfaces including SPI, UART, I2C, and SDIO for flexible integration.

RF Transceiver ICS Applications

• Low-power Internet of Things (IoT) devices
• Smart home appliances and sensors
• Industrial wireless monitoring systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'UU-Y' against official Microchip documentation to confirm package type and tape/reel specifications. Ensure compatibility with the target host interface requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before finalizing procurement plans.

RF Transceiver ICS Selection Notes

Select this SoC when a highly integrated, low-profile Wi-Fi solution is required for battery-constrained IoT designs. Consider the 40-WLCSP package size for space-sensitive PCB layouts. Evaluate the 1.62V minimum supply voltage against system power rails to ensure stable operation across the entire industrial temperature range without additional regulation overhead.

RF Transceiver ICS Part Context

This component belongs to the ATWILC1000 series, designed as a cost-effective alternative to larger Wi-Fi modules. It replaces discrete RF transceivers and microcontrollers by combining all necessary wireless protocols and processing logic into one silicon die, simplifying board design and reducing component count for embedded wireless applications.

RF Transceiver ICS Replacement Considerations

Consult Microchip's official cross-reference guides for direct pin-compatible substitutes. Generic Wi-Fi chips may lack the integrated MAC and protocol stack, requiring significant firmware rework. Verify that any replacement supports the same 802.11b/g/n standards and interface options.