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STMicroelectronics STM32WLE5JCI6
- Part No.:
- STM32WLE5JCI6
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver ICs
- Package:
- 73-UFBGA
- Datasheet:
-
STM32WLE5JCI6.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 73UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:9,172
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Product details
Overview
STM32WLE5JCI6 from STMicroelectronics is a multiprotocol LPWAN 32-bit Arm® Cortex®-M4 microcontroller integrating LoRa®, (G)FSK, (G)MSK, and BPSK radio transceivers, 256 KB flash, 64 KB SRAM, and hardware AES-256 encryption. It operates from 150–960 MHz, achieves –148 dBm LoRa® RX sensitivity (SF12, 10.4 kHz), and delivers up to +22 dBm TX output power. Designed for battery-powered IoT end-nodes in smart metering and asset tracking.
For engineers reviewing the STM32WLE5JCI6 datasheet, STM32WLE5JCI6 pinout, STM32WLE5JCI6 application, or STM32WLE5JCI6 equivalent, key selection criteria include sub-GHz RF performance compliance with ETSI EN 300 220/FCC Part 15, ultra-low-power modes (31 nA shutdown), integrated SMPS, and dual-core secure boot support via PCROP and PKA.
Technical Context
The STM32WLE5JCI6 integrates a single Arm Cortex-M4 core with ART Accelerator enabling 0-wait-state execution at 48 MHz, alongside a fully autonomous sub-GHz radio subsystem supporting concurrent protocol stacks (LoRaWAN®, Sigfox™, W-MBus). Its RF architecture includes a fractional-N RF-PLL, programmable IF stages, and direct-conversion receiver with digital IQ demodulation.
Power management combines an embedded SMPS step-down converter, LDO fallback, and five low-power modes - including Stop2 (+RTC) at 1.07 µA - coordinated via dedicated power control logic. Security relies on hardware-accelerated AES-256, PKA for ECC operations, true RNG, and sector-level protection (RDP/PCROP/WRP).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 @ 48 MHz with DSP instructions and MPU - enables real-time signal processing for modulation/demodulation offload |
| RF Frequency Range | 150–960 MHz - supports global sub-GHz ISM bands without external synthesizer |
| LoRa® RX Sensitivity | –148 dBm (SF12, 10.4 kHz) - extends link budget for long-range, low-data-rate sensor networks |
| TX Output Power | +22 dBm max (high-power path) - drives antenna directly in 915 MHz band with >22 dBm EIRP compliance |
| Ultra-Low-Power Mode | 31 nA shutdown (VDD = 3 V) - enables >10-year battery life in wake-on-RF-event applications |
| Memory | 256 KB flash / 64 KB SRAM - sufficient for dual-stack firmware (e.g., LoRaWAN + proprietary protocol) |
| Security | AES-256 + PKA + TRNG + 64-bit UID - meets IEC 62443-3-3 SL2 requirements for secure firmware updates |
Pinout & Package
UFQFPN48 (7 × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions validated per STMicroelectronics Doc ID034227 Rev 12, Section 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_RF | RF power supply | Dedicated 1.8–3.6 V rail for radio block - decoupling critical for EMI suppression and sensitivity stability |
| ANT | RF antenna interface | Differential RF output (PA) and input (LNA) - requires matching network per IPD reference design (e.g., STIPD01) |
| OSC_IN / OSC_OUT | 32 MHz crystal oscillator | Drives high-precision RF timing and system clock - TCXO-compatible for temperature-stable frequency accuracy |
| VBAT | Backup power supply | Supplies RTC and 20×32-bit backup registers during main power loss - enables time-stamped event logging |
| PA0–PA15, PB0–PB15, PC0–PC15 | General-purpose I/O | 43 total GPIOs, most 5 V-tolerant - supports direct interfacing with legacy sensors and industrial peripherals |
Key Features
| Feature | Design Value |
|---|---|
| Multiprotocol RF Subsystem | Hardware-accelerated LoRa®, (G)FSK, (G)MSK, BPSK - eliminates host CPU overhead for physical layer processing |
| Integrated SMPS | Embedded step-down converter with automatic LDO fallback - reduces external BOM count and improves efficiency across load range |
| Secure Boot & Firmware Protection | PCROP + RDP Level 1 + WRP - prevents unauthorized flash readout and enforces trusted execution environment |
| Low-Power Timer Network | Three 16-bit ultra-low-power timers - enables precise wake-up scheduling independent of main CPU state |
| Analog Peripherals | 12-bit ADC @ 2.5 Msps + 12-bit DAC + 2× comparators - supports local sensor signal conditioning without external ICs |
Applications
| Smart Utility Metering | Industrial Asset Tracking |
|---|---|
Use Scenario: Battery-powered gas/water meters transmitting consumption data hourly over 5–10 km rural links. IC Role / Device Role / Timing Role: System-on-chip handling LoRaWAN stack, sensor acquisition, secure OTA updates, and RTC-based transmission scheduling. Use Value: –148 dBm LoRa® sensitivity and +22 dBm TX enable single-hop coverage without repeaters; 31 nA shutdown extends battery life beyond 15 years. | Use Scenario: GPS-tagged containers reporting location and door-open events across logistics hubs using private LoRa network. IC Role / Device Role / Timing Role: Dual-role device: RF transceiver for uplink/downlink and MCU for GNSS parsing, tamper detection, and encrypted payload generation. Use Value: Hardware PKA accelerates ECC signature verification for firmware authenticity; integrated SMPS sustains operation across wide temperature (–40 °C to +105 °C). |
| Environmental Sensor Networks | Smart Agriculture Monitoring |
Use Scenario: Soil moisture, temperature, and CO₂ nodes deployed in remote fields, sleeping 99.9% of time, waking on schedule or RF command. IC Role / Device Role / Timing Role: Ultra-low-power sensor hub managing analog front-end, LoRa PHY/MAC, and secure key storage for network join. Use Value: Stop2 mode (1.07 µA + RTC) ensures sub-second wakeup latency while minimizing energy per transmission cycle. | Use Scenario: Solar-powered irrigation controllers receiving weather forecasts and soil data via LoRaWAN, then actuating valves based on local rules. IC Role / Device Role / Timing Role: Edge decision node executing rule engine, radio comms, and 12-bit ADC sampling of analog sensor outputs. Use Value: 256 KB flash stores multi-protocol stack (LoRaWAN + custom control logic); 64 KB SRAM buffers burst sensor data before transmission. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LPWAN microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SX1262 + STM32L476RG | Discrete RF + separate MCU - requires external matching, higher PCB area, no hardware protocol acceleration | Lacks integrated LoRaWAN MAC and secure boot; demands full software stack porting | Preferred when RF band flexibility or discrete PA control outweighs integration benefits |
| STM32WL55JC | Same pinout, identical RF subsystem, but 1 MB flash / 256 KB SRAM and enhanced security (SE050 companion support) | Better suited for complex edge AI inference or multi-tenant secure firmware deployments | Select when future-proofing for larger OTA images or certified secure element integration is required |
Compared with SX1262+STM32L476RG, STM32WLE5JCI6 reduces bill-of-materials and development time via monolithic RF+MCU integration; versus STM32WL55JC, it trades memory headroom for cost-sensitive volume deployments where 256 KB flash suffices.
Availability
STM32WLE5JCI6 is available at Aetrix Electronics and suitable for smart utility metering, industrial asset tracking, environmental sensor networks, and smart agriculture monitoring requiring stable component supply across extended product lifecycles.
Supply support for STM32WLE5JCI6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, and sensing technologies for industrial, automotive, and IoT markets.
The STM32WLE5 series belongs to ST's LPWAN-optimized microcontroller line, designed specifically for battery-operated, globally deployable IoT endpoints requiring regulatory-compliant sub-GHz wireless connectivity and hardware-enforced security.
FAQ
What RF certifications does the STM32WLE5JCI6 support out of the box?
The STM32WLE5JCI6 complies with ETSI EN 300 220 (Europe), FCC CFR 47 Part 15/24/90 (USA), and ARIB STD-T30/T-67/T-108 (Japan) when used with ST-recommended IPD matching networks (e.g., STIPD01 for 915 MHz). Certification-ready reference designs are published in AN5501 and UM2714.
Does the STM32WLE5JCI6 support over-the-air (OTA) firmware updates?
Yes - the device supports secure OTA updates via its built-in bootloader with USART and SPI interfaces, combined with hardware AES-256 decryption and PCROP-protected update slots. Verified firmware images can be authenticated using PKA-accelerated ECDSA signatures before execution.
How does the integrated SMPS improve system efficiency compared to external DC-DC converters?
The embedded SMPS achieves >85% efficiency across 10 µA–100 mA loads and automatically switches to LDO mode below 10 µA, eliminating external inductor/capacitor components and reducing PCB footprint by ~25 mm². Its tight regulation (±2%) maintains RF performance stability under varying battery voltage.
Can the STM32WLE5JCI6 operate in both LoRaWAN Class A and Class C modes?
Yes - the integrated radio supports full LoRaWAN Class A (RX windows after uplink) and Class C (continuous RX) operation. The MCU's ultra-low-power timers and RTC enable precise Class A window timing, while the radio's fast wake-up (<100 µs) and dedicated receive FIFO allow reliable Class C listening without CPU intervention.
STM32WLE5JCI6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 73-UFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- 802.15.4
- Protocol:
- LoRa™
- Modulation:
- BPSK, GFSK, GMSK, FSK, MSK
- Frequency:
- 150MHz ~ 960MHz
- Data Rate (Max):
- 300kbps
- Power - Output:
- 22dBm
- Sensitivity:
- -148dBm
- Memory Size:
- 256kB Flash
- Serial Interfaces:
- ADC, GPIO, I2C, SPI, IrDA, UART, USART
- GPIO:
- 43
- Voltage - Supply:
- 1.8V ~ 3.6V
- Current - Receiving:
- 63mA ~ 68mA
- Current - Transmitting:
- 160mA ~ 310mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 73-UFBGA (5x5)
STM32WLE5JCI6 FAQ
1.How can I place an order for STM32WLE5JCI6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32WLE5JCI6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32WLE5JCI6 reliable?
The price and inventory of STM32WLE5JCI6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32WLE5JCI6 is usually 5 days.
3.What payment methods are accepted for STM32WLE5JCI6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32WLE5JCI6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32WLE5JCI6?
STM32WLE5JCI6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32WLE5JCI6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32WLE5JCI6?
For technical support, including STM32WLE5JCI6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32WLE5JCI6 requirements.
6.How does Aetrix verify that STM32WLE5JCI6 is sourced from the original manufacturer or authorized distributors?
All STM32WLE5JCI6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32WLE5JCI6 meets industry standards.
7.What is the process for return or replacement of STM32WLE5JCI6?
All STM32WLE5JCI6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32WLE5JCI6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32WLE5JCI6 part is unused and in its original packaging.
Return procedure for STM32WLE5JCI6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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