STM32U5A9BJY6QTR STMicroelectronics Integrated Circuit (BGA) In Stock
STM32U5A9BJY6QTR is a 32-bit ARM Cortex-M33 ultra-low-power MCU with TrustZone, FPU, and 240 DMIPS performance. It integrates 4 MB Flash, 2.5 MB SRAM, LTDC display controller, MIPI DSI, and hardware crypto acceleration. Designed for IoT devices, wearables, and smart HMI applications requiring high security and low power consumption.
- Manufacturer
- STMicroelectronics
- Package
- BGA
- Pin Count
- 208
- Lifecycle
- ACTIVE
- Datasheet
- STM32U5A9BJY6QTR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.4847(MOQ 100)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit ARM Cortex-M33 core with TrustZone security and FPU delivering 240 DMIPS
- 4 MB on-chip Flash and 2.5 MB SRAM for complex IoT and GUI firmware
- Integrated LTDC and MIPI DSI display interfaces for touchscreen HMI applications
- Hardware cryptographic accelerator (AES, PKA, RNG) for secure IoT deployments
- Ultra-low-power design optimized for battery-operated wearable and smart sensor nodes
- 12-bit ADC, DAC channels, and DMA for mixed-signal and data streaming workloads
Applications
STM32U5A9BJY6QTR is targeted at battery-powered IoT edge devices, wearables, and industrial smart displays where ultra-low standby current is as important as processing performance. Its MIPI DSI and LTDC interfaces make it a natural fit for color touchscreen HMI panels in home automation, medical monitoring equipment, and portable test instruments. The integrated TrustZone and hardware cryptographic engine also make it attractive for secure IoT gateways and cloud-connected sensor nodes requiring OTA firmware update protection.
Specifications
| Factory Lead Time | 13Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Address Bus Width | 24 |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M33 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| External Data Bus Width | 16 |
| Format | FLOATING POINT |
| Integrated Cache | YES |
| JESD-30 Code | R-PBGA-B208 |
| Low Power Mode | YES |
| Number of DMA Channels | 16 |
| Number of I/O Lines | 145 |
| Number of Serial I/Os | 8 |
| Number of Timers | 17 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA208,13X16,14 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| RAM (bytes) | 2574336 |
| ROM (words) | 4194304 |
| ROM Programmability | FLASH |
| Speed | 160MHz |
| Supply Current-Max | 36mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.71V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | BALL |
| Terminal Pitch | 0.35mm |
| Terminal Position | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 5A992.C |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32U5A9BJY6QTR:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M33 CPU, 160MHz, CMOS, PBGA208
Frequently Asked Questions
How much on-chip memory does STM32U5A9BJY6QTR provide, and is it enough for a color touchscreen UI with OTA firmware update capability?
STM32U5A9BJY6QTR integrates 4 MB of Flash and 2.5 MB of SRAM, which is sufficient to hold a full-color LVGL-based GUI, a dual-bank OTA bootloader, and an IoT communication stack simultaneously. The 2.5 MB SRAM provides ample framebuffer space for QVGA or HVGA display resolutions without needing external PSRAM in many designs.
What display interfaces does STM32U5A9BJY6QTR support for industrial HMI panels and smart home devices?
The MCU integrates both LTDC (LCD-TFT display controller) and MIPI DSI interfaces, supporting direct connection to RGB-parallel and MIPI DSI display panels up to full HD resolutions. This dual-interface support allows designers to select cost-optimized parallel displays or premium MIPI DSI screens for the same MCU platform, reducing re-design risk.
How does TrustZone on STM32U5A9BJY6QTR protect IoT firmware from reverse engineering and unauthorized updates?
The ARM TrustZone implementation partitions the MCU into a Secure World and a Non-Secure World, isolating cryptographic keys, attestation tokens, and secure boot code from application code. Combined with the on-chip AES hardware accelerator and PKA engine, the device enables PSA Certified Level 2 designs where secure OTA updates require authenticated, encrypted firmware packages before any 4 MB Flash write is accepted.
What is the procurement lead time for STM32U5A9BJY6QTR in volume production, and how does the BGA package affect assembly cost?
STMicroelectronics lists a factory lead time of 13 weeks for STM32U5A9BJY6QTR, which is typical for high-integration BGA MCUs and requires forward purchasing buffers of at least one quarter. The BGA package demands controlled-impedance PCB stackups and X-ray inspection during assembly, so unit assembly cost is higher than equivalent LQFP parts, but the smaller board footprint often justifies the tradeoff in compact wearable or IoT product designs.
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STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $9.7000 | $970.00 |
| 500+ | $9.6200 | $4810.00 |
| 2500+ | $9.4900 | $23725.00 |
| 80000+ | $9.4847 | $758776.80 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”