WT32I-E-AI6

RF Transceiver Modules And Modems Overview

The WT32I-E-AI6 is a Bluetooth v3.0 RF transceiver module manufactured by Silicon Labs, utilizing the BlueCore5 IC. It operates in the 2.4GHz ISM band with a transmit power of 6.5dBm and receiver sensitivity of -91dBm. The module features a U.FL antenna connector, supports I2S, PIO, SPI, UART, and USB interfaces, and includes 16Mb flash memory. It functions within a supply voltage range of 1.8V to 3.6V and an operating temperature of -40°C to 85°C.

RF Transceiver Modules And Modems Feature Summary

• Integrates BlueCore5 chip with iWRAP6 protocol stack for audio applications
• Supports aptX and AAC stereo audio codecs
• Includes integrated DSP and 16-bit stereo codec
• Provides multiple serial interface options including I2S and UART

RF Transceiver Modules And Modems Applications

• Stereo speakers and high-fidelity audio devices
• Hands-free car kits
• Stereo headphones and earphones
• Portable audio players

RF Transceiver Modules And Modems Procurement Notes

This component is officially discontinued and no longer in production. Verification of availability should focus on surplus or secondary market sources rather than direct manufacturer distribution. Engineers must confirm end-of-life status through official Silicon Labs notifications before initiating design-in processes. Replacement strategies should prioritize validated substitute part numbers to ensure long-term supply chain stability.

RF Transceiver Modules And Modems Selection Notes

Designers should consider the module's Class 2 radio performance and specific antenna requirements when integrating into compact devices. The inclusion of dedicated audio interfaces like I2S simplifies connection to digital audio processors. Compatibility with existing Bluetooth profiles such as A2DP and AVRCP must be verified against system requirements. Thermal management within the specified -40°C to 85°C range is essential for reliable operation in varied environments.

RF Transceiver Modules And Modems Part Context

The WT32I-E-AI6 belongs to the Silicon Labs WT32i series, which specializes in Bluetooth audio modules. This series integrates RF circuits, protocol stacks, and memory into surface-mount packages. The E-series variants typically utilize external connectors like U.FL, distinguishing them from chip-antenna versions. These modules are engineered for embedded audio systems requiring robust wireless connectivity and high-quality sound transmission.

RF Transceiver Modules And Modems Replacement Considerations

WT32I-A-AI61 is a confirmed direct replacement option available from Silicon Labs.