STMicroelectronics STM32U575AII6Q

Overview

STM32U575AII6Q from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit MCU with TrustZone®, FPU, and FlexPowerControl-featuring 240 DMIPS performance, 2 MB Flash (ECC), 786 KB SRAM, and operation from 1.71 V to 3.6 V across –40 °C to +125 °C. It integrates dual ADCs (14-bit/12-bit), 2 DACs, 2 op-amps, CAN FD, USB Type-C®/PD controller, and Octo-SPI for secure industrial sensor nodes and battery-powered IoT edge devices.

For engineers reviewing the STM32U575AII6Q datasheet, STM32U575AII6Q pinout, STM32U575AII6Q application, or STM32U575AII6Q equivalent, key selection criteria include TrustZone-enabled firmware isolation, sub-µA Stop 3 mode (1.9 µA with 16-KB SRAM), LPBAM autonomous peripheral operation, 96-bit unique ID, and UFBGA132 (7 × 7 mm) package compatibility with high-density PCB layouts.

Technical Context

The STM32U575AII6Q implements a dual-bank Arm Cortex-M33 core with TrustZone security partitioning, MPU, DSP extensions, and single-precision FPU-enabling concurrent secure/non-secure execution environments. Its ART Accelerator includes 8-KB instruction cache and 4-KB data cache, enabling zero-wait-state execution at up to 160 MHz.

Power architecture combines embedded LDO and SMPS step-down converter with dynamic voltage scaling and on-the-fly switching. Low-power modes are hierarchically structured: Shutdown (160 nA), Standby (210 nA), Stop 2 (4.0 µA), and Stop 3 (1.9 µA), all supporting DMA-driven autonomous peripheral operation via LPBAM without CPU wake-up.

Key Specifications

Pinout & Package

STM32U575AII6Q uses a 132-ball UFBGA package (7 × 7 mm, 0.5 mm pitch, A0G8 variant), optimized for space-constrained industrial and portable applications. Pin functions support flexible peripheral remapping via SYSCFG and alternate function registers.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power secure MCU applications.

Compared with STM32U575AII6Q, the STM32U585 offers stronger cryptographic throughput and tamper resilience at higher cost and marginally increased power in active mode, while the LPC55S69 trades Flash/SRAM capacity and advanced peripherals for lower unit price and simpler power architecture-making each optimal for distinct security-performance-cost trade-offs.

Availability

STM32U575AII6Q is available at Aetrix Electronics and suitable for industrial sensor nodes, secure edge gateways, medical wearables, and smart energy meters requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for STM32U575AII6Q 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, sensors, and automotive semiconductors since 1987.

The STM32U5 series targets ultra-low-power, high-security embedded applications-including industrial IoT endpoints, medical devices, and smart meters-by integrating TrustZone, advanced power gating, and hardware-accelerated cryptography into a scalable MCU platform.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating?

The STM32U575AII6Q operates at up to 160 MHz with an ART Accelerator-enabled 240 DMIPS performance (1.5 DMIPS/MHz). This is measured under conditions of zero-wait-state execution from internal Flash using the Dhrystone 2.1 benchmark, confirmed in DS13737 Rev 10 Section 2.2 and Table 42.

Does STM32U575AII6Q support hardware encryption acceleration beyond TRNG and HASH?

No-this variant includes only the HASH hardware accelerator and NIST SP800-90B compliant TRNG. AES, HMAC, or PKA acceleration requires the STM32U585 (which adds CASPER crypto engine) or external secure element integration. The 512-byte OTP supports key storage but not algorithm execution.

How many wake-up pins are available in Shutdown mode, and what is their electrical behavior?

STM32U575AII6Q provides 24 dedicated wake-up pins in Shutdown mode, all configurable as level-sensitive inputs with internal pull-up/pull-down resistors. Each pin can generate a system wake-up event independently; no GPIO clock or power domain is active during Shutdown, and wake-up latency is ≤5 µs per DS13737 Rev 10 Section 3.9.3.

Is the UFBGA132 package RoHS and REACH compliant, and what is its moisture sensitivity level?

Yes-the UFBGA132 (A0G8) package is ECOPACK2 compliant, meeting RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Its moisture sensitivity level (MSL) is 3 per JEDEC J-STD-020, requiring floor life of 168 hours at ≤30 °C/60% RH and bake condition of 125 °C for 8 hours if exposed beyond limit.