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STMicroelectronics STM32L496QGI6S
- Part No.:
- STM32L496QGI6S
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 132-UFBGA
- Datasheet:
-
STM32L496QGI6S.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 132UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,099
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Product details
Overview
STM32L496QGI6S from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, operating up to 80 MHz (100 DMIPS), featuring 1 MB flash, 320 KB SRAM, USB OTG FS, hardware SHA-256 accelerator, and integrated SMPS support. It targets battery-powered industrial sensors, portable medical devices, and smart metering systems requiring long runtime and rich peripheral integration.
For engineers reviewing the STM32L496QGI6S datasheet, STM32L496QGI6S pinout, STM32L496QGI6S application, or STM32L496QGI6S equivalent, key selection criteria include its 25 nA shutdown current, dual-bank flash for seamless firmware updates, 320 nA VBAT mode for RTC + backup registers, and UFBGA132 package compatibility with high-density PCB layouts.
Technical Context
The device integrates an Adaptive Real-time Accelerator (ART) enabling zero-wait-state execution from flash at 80 MHz, alongside a multi-layer AHB bus matrix for concurrent peripheral access. Its FlexPowerControl architecture supports seven low-power modes-including Stop 2 (2.57 µA) and Standby with RTC (426 nA)-with fast 5 µs wake-up latency.
Peripherals include two SAIs for I²S/TDM audio, four I²C interfaces (FM+, 1 Mbit/s), six USART/LPUARTs, dual CAN 2.0B controllers, and a Chrom-ART Accelerator (DMA2D) for efficient 2D graphics rendering-enabling real-time UI rendering in resource-constrained edge nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 80 MHz max, 100 DMIPS - enables real-time DSP and control algorithms without external co-processor |
| Memory | 1 MB dual-bank flash (read-while-write), 320 KB SRAM (64 KB with parity) - supports secure OTA updates and fault-tolerant data buffering |
| Low-power performance | 25 nA Shutdown mode, 426 nA Standby+RTC - extends coin-cell battery life to >10 years in always-on sensing applications |
| Analog subsystem | 3× 12-bit ADCs (5 Msps), 2× 12-bit DACs, 2× op-amps with PGA, 2× comparators - enables precision sensor signal conditioning and closed-loop analog control |
| Crypto & security | Hardware HASH (SHA-256), true RNG, 96-bit unique ID, ROP/PCROP protection - meets IEC 62443-3-3 SL2 requirements for firmware integrity and device identity |
| Connectivity | USB OTG FS, 2× CAN 2.0B, SDMMC, QUADSPI, FSMC - supports fieldbus integration, removable storage, and external NOR/PSRAM expansion |
| Package | UFBGA132 (7 × 7 mm, 0.4 mm pitch) - balances I/O count (112 GPIOs) and board space efficiency for compact industrial modules |
Pinout & Package
UFBGA132 (7 × 7 mm, 0.4 mm pitch) package with 132 balls; 112 user-accessible I/Os (most 5 V-tolerant), 14 I/Os supporting independent supply down to 1.08 V for mixed-voltage interfacing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power/ground | Core and I/O supply pins; supports LDO or external SMPS input (VDD12) for optimized efficiency |
| VREF+ | Analog reference | External reference input for ADC/DAC; enables ratiometric measurements with external sensors |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 112 GPIOs with configurable pull-up/down, alternate functions, and interrupt capability - supports flexible peripheral mapping and board-level routing |
| BOOT0 | Boot configuration | Active-high pin determining boot source (system memory, flash, or SRAM); critical for bootloader recovery sequences |
| NRST | Reset input | Asynchronous active-low reset; accepts 1–20 ms pulse width per spec - ensures reliable system initialization under brownout conditions |
Key Features
| Feature | Design Value |
|---|---|
| FlexPowerControl architecture | Seven low-power modes with sub-µA quiescent currents and <5 µs wake-up - enables duty-cycled operation in energy-harvesting nodes |
| ART Accelerator | Zero-wait-state execution from flash at 80 MHz - eliminates external RAM dependency for deterministic real-time code execution |
| Dual-bank flash with ROP/PCROP | Independent bank erase/write and read-out protection - enables secure dual-image firmware updates without runtime interruption |
| Chrom-ART Accelerator (DMA2D) | Hardware-accelerated 2D graphics blitting and color format conversion - reduces CPU load by >70% in GUI-driven HMI applications |
| SMPS interface support | Dedicated VDD12 pin and internal regulators - achieves 37 µA/MHz run-mode current at 3.3 V, cutting power vs. LDO-only operation |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Wireless temperature/humidity/pressure node with LoRaWAN backhaul and local data logging. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition (ADC), crypto-secured OTA updates (HASH+RNG), and low-power scheduling (LPTIM). Use Value: 25 nA shutdown current extends CR2032 battery life beyond 5 years; QUADSPI interface enables local firmware rollback via external flash. | Use Scenario: Battery-powered ECG/SpO₂ monitor with OLED display and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: System-on-chip handling analog front-end (op-amps + ADC), display rendering (DMA2D), and secure BLE stack (SHA-256 + RNG). Use Value: 426 nA Standby+RTC maintains timekeeping during sleep; Chrom-ART offloads pixel compositing, extending 300 mAh Li-ion runtime by 35%. |
| Smart Energy Meter | Building Automation Controller |
Use Scenario: DIN-rail mounted electricity meter with PLC communication, tamper detection, and tariff switching. IC Role / Device Role / Timing Role: Primary MCU executing metrology algorithms (DSP on Cortex-M4), secure billing data signing (HASH), and RTC-based tariff scheduling. Use Value: Dual CAN interfaces enable redundant PLC communication paths; 320 nA VBAT mode preserves calendar and 32×32-bit backup registers during main power loss. | Use Scenario: HVAC zone controller interfacing with BACnet MS/TP, analog sensors, and local touch HMI. IC Role / Device Role / Timing Role: Central processor managing 24-channel capacitive touch (TSC), multi-protocol serial (CAN/I²C/UART), and real-time PID loop execution. Use Value: 136 fast I/Os support direct sensor/actuator connection; independent 1.08 V I/O supply allows interfacing with legacy 1.2 V logic without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L476RG | 512 KB flash, 128 KB SRAM, no SMPS interface, no QUADSPI | Lacks external memory expansion and SMPS efficiency gains - suitable only for simpler, lower-memory designs | Select when cost sensitivity outweighs need for >512 KB flash or SMPS power optimization |
| STM32U575ZIT6 | Arm Cortex-M33, TrustZone, 2 MB flash, 786 KB SRAM, 1.5x lower active current (24 µA/MHz) | Higher security certification (PSA Level 3), but requires updated toolchain and lacks DCMI camera interface | Choose for new designs requiring PSA-certified secure boot and future-proof scalability beyond L4 capabilities |
Compared with STM32L476RG, the STM32L496QGI6S delivers 2× flash capacity and SMPS support for 40% lower active power; versus STM32U575ZIT6, it offers mature ecosystem support and DCMI for vision-enabled edge nodes at lower BOM cost.
Availability
STM32L496QGI6S is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, and smart energy meters requiring stable component supply across extended product lifecycles.
Supply support for STM32L496QGI6S 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, designing and manufacturing microcontrollers, power management ICs, MEMS, and automotive semiconductors.
The STM32L4 series targets ultra-low-power embedded applications demanding high performance-per-milliwatt, with emphasis on battery longevity, security, and peripheral richness for IoT edge devices.
FAQ
What is the maximum operating frequency and associated performance metric?
The STM32L496QGI6S operates at up to 80 MHz with an Adaptive Real-time Accelerator (ART) enabling zero-wait-state flash execution. Its performance is rated at 100 DMIPS (Dhrystone 2.1) and 273.55 CoreMark®, achieving 3.42 CoreMark/MHz. This allows deterministic real-time control loops and lightweight protocol stacks without external memory.
Does this MCU support external memory expansion, and which interfaces are available?
Yes, it supports external memory via three dedicated interfaces: Flexible Static Memory Controller (FSMC) for SRAM, PSRAM, NOR, and NAND; QUADSPI for high-speed serial flash; and SDMMC for SD/SDIO cards. These enable local firmware storage, data logging buffers, and graphical asset loading without consuming internal flash or SRAM.
How does the SMPS interface improve power efficiency compared to LDO-only operation?
The SMPS interface uses an external switched-mode power supply connected to the VDD12 pin, reducing active-mode current consumption from 91 µA/MHz (LDO) to 37 µA/MHz at 3.3 V. This 59% reduction directly extends battery life in continuous-operation applications such as environmental monitoring or wearable health devices.
What security features are implemented in hardware to protect firmware and data?
Hardware security includes SHA-256 cryptographic acceleration, true random number generation (RNG), 96-bit unique device ID, readout protection (ROP), and proprietary code readout protection (PCROP). PCROP enables secure bootloader partitioning, while HASH acceleration speeds up firmware signature verification by >10× versus software-only implementation.
STM32L496QGI6S Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 132-UFBGA
- Series:
- STM32L4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, PWM, WDT
- Number of I/O:
- 110
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 320K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 19x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L496QGI6S FAQ
1.How can I place an order for STM32L496QGI6S through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L496QGI6S 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 STM32L496QGI6S reliable?
The price and inventory of STM32L496QGI6S are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L496QGI6S is usually 5 days.
3.What payment methods are accepted for STM32L496QGI6S?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L496QGI6S transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L496QGI6S?
STM32L496QGI6S orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L496QGI6S 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 STM32L496QGI6S?
For technical support, including STM32L496QGI6S datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L496QGI6S requirements.
6.How does Aetrix verify that STM32L496QGI6S is sourced from the original manufacturer or authorized distributors?
All STM32L496QGI6S 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 STM32L496QGI6S meets industry standards.
7.What is the process for return or replacement of STM32L496QGI6S?
All STM32L496QGI6S units undergo pre-shipment inspection (PSI). If there is an issue with STM32L496QGI6S, 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 STM32L496QGI6S part is unused and in its original packaging.
Return procedure for STM32L496QGI6S:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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