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STMicroelectronics STM32U599BJY6QTR

Name: STM32U599BJY6QTR
Brand: STMicroelectronics
SKU: STM32U599BJY6QTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32U599BJY6QTR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 208-UFBGA, WLCSP

Datasheet:: STM32U599BJY6QTR.pdf

Description:: IC MCU 32BIT 4MB FLASH 208WLCSP

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Product details

Overview

STM32U599BJY6QTR from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit microcontroller with TrustZone® security, FPU, and integrated graphics acceleration. It delivers 240 DMIPS at up to 160 MHz, features 4 MB Flash with ECC, 2.5 MB SRAM (with configurable ECC), LTDC and MIPI® DSI for display control, and operates from 1.71 V to 3.6 V across –40 °C to +125 °C. It targets secure, battery-constrained HMI applications such as industrial HMIs and portable medical displays.

For engineers reviewing the STM32U599BJY6QTR datasheet, STM32U599BJY6QTR pinout, STM32U599BJY6QTR application, or STM32U599BJY6QTR equivalent, key selection criteria include TrustZone-enabled secure boot, LPBAM autonomous peripheral operation in Stop 2 mode, Neo-Chrom GPU2D acceleration, dual Octo-SPI interfaces, and 125 °C extended temperature rating for harsh environments.

Technical Context

This MCU implements a dual-cache ART Accelerator (32 KB I-Cache + 16 KB D-Cache1) enabling zero-wait-state execution from Flash at 160 MHz. Its power architecture integrates both LDO and SMPS regulators with dynamic voltage scaling and on-the-fly switching - critical for optimizing energy per task in intermittent wake-up systems.

The security subsystem leverages Arm TrustZone® with hardware-enforced isolation between secure/non-secure worlds, augmented by GTZC-managed memory/peripheral protection, securable GPIOs, and embedded Root Secure Services (RSS) for secure firmware installation (SFI) and TF-M-based over-the-air updates.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M33 with TrustZone, FPU, MPU, DSP extensions - enables secure real-time control with cryptographic offload and deterministic interrupt latency.
Max Clock / Performance	160 MHz / 240 DMIPS - supports high-throughput graphics rendering and sensor fusion without external co-processors.
Memory	4 MB Flash (ECC, RWW), 2.5 MB SRAM (configurable ECC) - ensures data integrity in safety-critical logging and firmware resilience against bit flips.
Low-Power Modes	150 nA Shutdown, 480 nA Standby w/RTC, 2 µA Stop 3 w/40 KB SRAM - extends battery life in always-on edge nodes with infrequent wake-ups.
Graphics Interface	LTDC + MIPI DSI (2 lanes @ 500 Mbit/s each) + Neo-Chrom GPU2D - drives high-resolution color displays with hardware-accelerated rotation, scaling, and texture mapping.
Analog Peripherals	Two 14-bit ADCs (2.5 Msps), 12-bit DAC (2 ch), 2 op-amps, 2 comparators - supports precision analog sensing and closed-loop control without external signal conditioning.
Security Features	TrustZone, 96-bit UID, NIST SP800-90B TRNG, 512-byte OTP, active tamper detection - meets PSA Level 3 and SESIP certification prerequisites for IoT endpoint authentication.
Package	WLCSP208 (5.38 × 5.47 mm, 0.4 mm pitch) - enables ultra-compact PCB layout for space-constrained portable devices.

Pinout & Package

STM32U599BJY6QTR is housed in a WLCSP208 package (5.38 × 5.47 mm, 0.4 mm ball pitch), optimized for minimal footprint and thermal performance in portable applications. The package supports full I/O functionality including 156 fast GPIOs (most 5V-tolerant), dual Octo-SPI, MIPI DSI, LTDC, and USB Type-C/UCPD.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Core power supply and ground	Supports dual-regulator operation (LDO/SMPS); decoupling required per DS13633 §5.3.6 for stable 1.1 V VCORE under dynamic load.
VDDA, VSSA	Analog domain supply and ground	Independent 1.71–3.6 V supply for ADC/DAC/OPAMP; must be filtered separately to maintain <1 LSB INL error.
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	156 total GPIOs; up to 14 support independent 1.08–3.6 V supply (VDDIO2) for mixed-voltage interfacing (e.g., 1.8 V sensors).
DSI_D0P/N, DSI_D1P/N, DSI_CLKN/P	MIPI DSI differential lanes	Two high-speed DSI lanes (up to 500 Mbit/s each) with programmable slew rate and termination - directly drive DSI display panels without bridge ICs.
LTDC_R0–R7, G0–G7, B0–B7, HSYNC, VSYNC, DE	RGB parallel interface signals	18-/24-bit RGB output with programmable polarity/delay - supports direct connection to TFT-LCD modules or LVDS converters.
UCPD1_CC1/CC2, UCPD1_VBUS	USB Type-C controller pins	Hardware-managed CC line monitoring, VBUS detection, and PD message handling - enables USB-C port negotiation without host CPU intervention.

Key Features

Feature	Design Value
LPBAM (Low-Power Background Autonomous Mode)	Enables DMA-driven peripheral chains (e.g., ADC → memory → crypto) while CPU remains in Stop 2 - reduces active time by >90% in sensor logging cycles.
Neo-Chrom GPU2D	Hardware-accelerated 2D graphics engine supporting arbitrary-angle rotation, perspective-correct texture mapping, and alpha blending - cuts CPU load by ~70% vs. software rendering in GUI frameworks.
Chrom-GRC (GFXMMU)	Graphics memory management unit enabling dynamic allocation of up to 20% more framebuffer resources via tile-based compression - increases effective display resolution within fixed SRAM budget.
Secure Firmware Installation (SFI)	Root-of-trust boot flow using embedded RSS and HDP-protected keys - ensures only cryptographically signed firmware executes, preventing unauthorized code injection during field updates.
Dual Octo-SPI Interfaces	Two independent OCTOSPI controllers supporting XIP, wrap-mode, and dual-flash configurations - enables seamless firmware A/B swapping and concurrent code/data access from external memory.

Applications

Industrial HMI Panel

Portable Medical Display

Use Scenario: Touch-enabled operator interface for PLC-controlled machinery operating in factory environments with ambient temperatures up to 70 °C and EMI exposure.

IC Role / Device Role / Timing Role: Main application processor managing GUI rendering via LTDC+DSI, real-time control via timers/ADC, and secure communication via CAN FD and USB-C.

Use Value: Extended 125 °C rating ensures reliability under enclosure heating; TrustZone isolates HMI firmware from control firmware; LPBAM minimizes power draw during idle screen refresh.

Use Scenario: Battery-powered patient monitor displaying vital signs (ECG, SpO₂) with color-coded alerts and touch navigation in clinical settings.

IC Role / Device Role / Timing Role: System-on-chip integrating analog front-end (ADC/DAC/op-amps), display driver (LTDC+GPU2D), secure data storage (Flash ECC), and low-power sleep management.

Use Value: 150 nA Shutdown current extends battery life beyond 6 months; MIPI DSI enables thin, high-brightness OLED panel integration; TRNG supports HIPAA-compliant data encryption.

Smart Energy Meter

Secure Edge Gateway

Use Scenario: DIN-rail mounted electricity meter with tamper detection, waveform capture, and wireless backhaul (LoRaWAN/NB-IoT) in utility substations.

IC Role / Device Role / Timing Role: Trusted execution environment for metrology algorithms, secure key storage, and isolated communication stack (FDCAN + LPUART).

Use Value: Active tamper pins detect physical intrusion; 4 MB Flash stores multiple firmware versions and encrypted logs; VBAT mode preserves RTC and 2 KB backup SRAM during main power loss.

Use Scenario: Industrial gateway aggregating Modbus RTU, CAN FD, and BLE sensor data before TLS-encrypted upload to cloud platforms.

IC Role / Device Role / Timing Role: Secure network edge node performing protocol translation, local decision logic, and hardware-accelerated TLS (via HASH + CORDIC + FMAC).

Use Value: 120000 SecureMark™-TLS score validates cryptographic throughput; UCPD manages USB-C debug/power; dual Octo-SPI hosts root-of-trust firmware and OTA update partition.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32U585AIY6QTR	Same core, 2 MB Flash, 1 MB SRAM, no LTDC/DSI, single Octo-SPI, rated to +85 °C only	Lacks display interfaces and extended temperature grade - suitable for headless secure gateways or sensor concentrators	Select when display capability and 125 °C operation are unnecessary and BOM cost reduction is prioritized.
NXP i.MX RT685	Arm Cortex-M33, 1 MB Flash, 2 MB SRAM, no TrustZone hardware partitioning, includes audio DSP but no GPU2D or LPBAM	Stronger audio processing, weaker low-power autonomy and graphical acceleration - better for voice-enabled edge devices than battery-powered HMIs	Choose for voice-centric applications requiring far-field audio preprocessing; avoid where sub-µA sleep modes or GUI acceleration are mandatory.

Compared with STM32U585AIY6QTR, the STM32U599BJY6QTR adds display subsystems and extended temperature support at higher cost and power; versus i.MX RT685, it trades audio DSP capability for superior ultra-low-power autonomy and hardware graphics acceleration - making it optimal for secure, battery-operated graphical endpoints.

Availability

STM32U599BJY6QTR is available at Aetrix Electronics and suitable for industrial HMIs, portable medical displays, smart energy meters, and secure edge gateways requiring stable component supply across extended product lifecycles.

Supply support for STM32U599BJY6QTR 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 is ST's flagship ultra-low-power secure MCU product line, engineered specifically for battery-operated, safety- and security-critical applications demanding long runtime, robust firmware integrity, and rich human-machine interaction capabilities.

FAQ

What is the maximum junction temperature and thermal resistance for STM32U599BJY6QTR in WLCSP208 package?

The WLCSP208 package has a maximum junction temperature of +125 °C and a typical θ_JA of 120 °C/W under JEDEC JESD51-7 conditions (1-layer board, 1-in² copper). Thermal design must ensure sustained operation stays below this limit, especially during GPU2D-intensive rendering or simultaneous analog acquisition.

Does STM32U599BJY6QTR support hardware-accelerated AES encryption?

No - the STM32U599BJY6QTR does not include a dedicated AES accelerator. Cryptographic operations rely on its CORDIC and FMAC units for asymmetric math (ECC, RSA) and hash acceleration via the HASH peripheral (SHA-1/SHA-224/SHA-256). AES must be implemented in software or via secure firmware libraries leveraging TrustZone-protected memory.

Can the Neo-Chrom GPU2D render to external SDRAM via the FSMC interface?

No - the Neo-Chrom GPU2D only accesses internal SRAM (SRAM1/SRAM2/SRAM3) and does not support direct rendering to external memory via FSMC or Octo-SPI. Framebuffer allocation must fit within the 2.5 MB on-chip SRAM, though Chrom-GRC optimization can improve effective utilization by up to 20%.

How many independent power domains does STM32U599BJY6QTR support, and what are their voltage ranges?

It supports three independent power domains: VCORE (0.9–1.1 V, regulated by LDO/SMPS), VDDA/VSSA (1.71–3.6 V for analog peripherals), and VDDIO2 (1.08–3.6 V for up to 14 GPIOs). Each domain requires separate decoupling and sequencing per DS13633 §5.3.6 to prevent latch-up or ADC offset drift.

STM32U599BJY6QTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 208-UFBGA, WLCSP

Series:: STM32U5

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: -

Core Processor:: ARM® Cortex®-M33

Core Size:: 32-Bit

Speed:: 160MHz

Connectivity:: CANbus, I2C, IrDA, LINbus, MMC/SD/SDIO, SAI, SmartCard, SPDIF, SPI, UART/USART, USB, USB OTG

Peripherals:: Brown-out Detect/Reset, DMA, LCD, Motor Control PWM, POR, PWM, WDT

Number of I/O:: 145

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 ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32U599BJY6QTR FAQ

1.How can I place an order for STM32U599BJY6QTR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32U599BJY6QTR 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 STM32U599BJY6QTR reliable?

The price and inventory of STM32U599BJY6QTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32U599BJY6QTR is usually 5 days.

3.What payment methods are accepted for STM32U599BJY6QTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32U599BJY6QTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32U599BJY6QTR?

STM32U599BJY6QTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32U599BJY6QTR 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 STM32U599BJY6QTR?

For technical support, including STM32U599BJY6QTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32U599BJY6QTR requirements.

6.How does Aetrix verify that STM32U599BJY6QTR is sourced from the original manufacturer or authorized distributors?

All STM32U599BJY6QTR 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 STM32U599BJY6QTR meets industry standards.

7.What is the process for return or replacement of STM32U599BJY6QTR?

All STM32U599BJY6QTR units undergo pre-shipment inspection (PSI). If there is an issue with STM32U599BJY6QTR, 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 STM32U599BJY6QTR part is unused and in its original packaging.

Return procedure for STM32U599BJY6QTR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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