STMicroelectronics STM32U5A5QJI3Q

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32U5
Packaging Tray |
Core Processor ARM® Cortex®-M33
Core Size 32-Bit
Speed 160MHz
Connectivity CANbus, EBI/EMI, FIFO, I2C, IrDA, LINbus, MMC/SD, SPI, UART/USART/USB
Peripherals Brown-out Detect/Reset, Crypto - AES, DMA, PWM, SHA, Temp Sensor, TRNG, WDT
Number of I/O 106
Program Memory Size 4MB (4M x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 2.5M x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 24x12/14b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 132-UFBGA (7x7)
Package / Case 132-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32U5A5QJI3Q is an ultra-low-power MCU based on the ARM Cortex-M33 core at 160MHz. It provides 4MB flash and 2.5MB RAM, making it one of the most resource-rich MCUs in its class. The device integrates hardware crypto (AES, SHA, TRNG), a temperature sensor, and multiple PWM channels. Its 1.71V-3.6V supply and -40°C to 125°C range support demanding automotive and industrial applications. The 132-UFBGA package enables compact, high-density designs.

  • Massive memory: 4MB flash and 2.5MB RAM enable complex applications and OTA.
  • Advanced security: On-chip AES, SHA, and TRNG provide robust data protection.
  • Wide temperature: 125°C rating for automotive and high-heat environments.
  • Ultra-low power: Optimized for battery-powered devices with long lifespan.
  • High performance: 160MHz Cortex-M33 with DSP instructions.

Edge AI Inference

The 160MHz Cortex-M33 with 2.5MB RAM can run small neural networks for predictive maintenance or anomaly detection.

Secure Wearables

Hardware AES/SHA/TRNG and low power consumption make it ideal for health trackers with encrypted data storage.

Smart Home Hubs

4MB flash allows storing complex protocol stacks (Zigbee, Thread, Matter) and local automation rules.

Automotive Telematics

With 125°C rating, it suits engine bay modules for data logging and secure OTA updates.

Industrial IoT Sensors

Wide voltage range (1.71V-3.6V) and temp sensor enable self-calibrating transmitters for factory automation.

Portable Medical Devices

High RAM and security features support patient data encryption and real-time signal processing in infusion pumps.

Q: What is the core processor?
A: It uses an ARM Cortex-M33 running at up to 160MHz.
Q: What is the flash memory size?
A: It has 4MB of flash memory.
Q: What security features are included?
A: It includes AES, SHA, TRNG, and a temperature sensor.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: What package is available?
A: It comes in a 132-UFBGA package.
Base Product Number : STM32U5A5QJI3
132-UFBGA 160MHz 2.5MB RAM 32-bit MCU 4MB flash AES ARM Cortex-M33 automotive edge AI secure IoT SHA STMicroelectronics TRNG
Q: What is the core processor?
A: It uses an ARM Cortex-M33 running at up to 160MHz.
Q: What is the flash memory size?
A: It has 4MB of flash memory.
Q: What security features are included?
A: It includes AES, SHA, TRNG, and a temperature sensor.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C.
Q: What package is available?
A: It comes in a 132-UFBGA package.