STM32WLE5JCI6

Overview

The STM32WLE5JCI6 is a Sub-GHz wireless microcontroller integrating an ARM Cortex-M4 core with LoRa and IEEE 802.15.4 capabilities. It features 256 kB Flash, 64 kB SRAM, and operates at up to 48 MHz. The device supports frequencies from 150 MHz to 960 MHz with 22 dBm output power and -148 dBm sensitivity. It utilizes a 73-UFBGA package (5x5 mm) and accepts supply voltages between 1.8 V and 3.6 V.

Feature Summary

• Integrates ARM Cortex-M4 processor with Sub-GHz transceiver for multi-protocol support
• Supports LoRa, LoRaWAN, IEEE 802.15.4, Sigfox, and proprietary protocols
• Delivers ultra-low-power performance optimized for LPWAN applications

Applications

• Long-range IoT sensor networks
• Smart metering systems
• Industrial automation monitoring
• Agricultural telemetry

Procurement Notes

Verify the specific suffix 'I6' against the official datasheet to confirm package type and temperature range. Ensure compatibility with required RF standards such as LoRa or 802.15.4. Confirm supply voltage requirements align with system design constraints of 1.8V to 3.6V before procurement.

Selection Notes

Select this component when combining ARM Cortex-M4 processing with Sub-GHz wireless connectivity in a single chip. It is suitable for designs requiring LoRa modulation alongside standard IEEE 802.15.4 support. Consider the 73-UFBGA package size and thermal characteristics for PCB layout planning.

Part Context

This part belongs to the STM32WL series, designed for low-power wide-area network applications. It embeds an Arm Cortex-M4 core, an optional Cortex-M0+, and a Sub-GHz transceiver. The series ensures flexibility for LoRaWAN and compatible protocols in a fully open architecture.

Replacement Considerations

STM32WL55JCI6 shares similar specifications within the STM32WL family. Verify memory sizes and pinout compatibility before substitution.