STM32L4R9AGI6 STMicroelectronics Integrated Circuit (BGA) In Stock

STMicroelectronics STM32L4R9AGI6 is an ultra-low-power 32-bit Arm Cortex-M4 MCU with FPU running at 120 MHz, 2MB Flash, 640KB SRAM, LCD-TFT controller, and MIPI DSI interface. Features 150 DMIPS performance, 1.71V to 3.6V supply range, and integrated SMPS in a BGA package. Available from stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026
Package / Visual Reference
STM32L4R9AGI6BGA
Quick Facts
Manufacturer
STMicroelectronics
Package
BGA
Pin Count
169
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $8.0973(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of STM32L4R9AGI6?

  • 120 MHz Arm Cortex-M4 with FPU delivering 150 DMIPS enables real-time graphics rendering and DSP processing in a single ultra-low-power chip
  • Integrated LCD-TFT controller and MIPI DSI interface drives high-resolution color displays up to WVGA without an external display driver IC
  • 2MB Flash and 640KB SRAM combined with external SMPS achieves sub-µA standby current for extended battery life in wearable and portable devices
  • Advanced security features including AES-256, PKA, TRNG, and Secure Boot protect IoT firmware from tampering and unauthorized access

What is STM32L4R9AGI6 used for?

The STM32L4R9AGI6 is optimized for high-resolution graphical IoT devices such as smartwatches, portable medical monitors, and industrial HMI panels that require both a vivid color display and multi-year battery life. Its MIPI DSI interface and LCD-TFT controller support direct connection to AMOLED and IPS panels up to WVGA resolution, while ultra-low-power modes enable weeks of operation between charges. Industrial sensor nodes and secure firmware update applications also benefit from its AES-256 hardware cryptography and 2MB Flash for large, multi-partition firmware images.

What are the specifications of STM32L4R9AGI6?

Factory Lead Time12Weeks
YTEOL9
Has ADCYES
Additional FeatureALSO OPERATES IN THE RANGE OF 1.71V TO 3.6V
Address Bus Width25
Bit Size32
Boundary ScanYES
CPU FamilyCORTEX-M4
Clock Frequency-Max48MHz
DAC ChannelsYES
DMA ChannelsYES
External Data Bus Width16
FormatFLOATING POINT
Integrated CacheYES
JESD-30 CodeS-PBGA-B169
Low Power ModeYES
Number of DMA Channels14
Number of External Interrupts16
Number of I/O Lines131
Number of Serial I/Os7
Number of Timers14
On Chip Data RAM Width8
On Chip Program ROM Width8
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeBGA169,13X13,20
Package ShapeSQUARE
Package StyleGRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Cel)260
RAM (bytes)655360
ROM (words)1048576
ROM ProgrammabilityFLASH
Speed120MHz
Supply Current-Max26mA
Supply Voltage-Max1.4V
Supply Voltage-Min1.2V
Supply Voltage-Nom1.2V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FormBALL
Terminal Pitch0.5mm
Terminal PositionBOTTOM
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageBGA

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 3
ECCN3A991.A.2
HTS Code8542.31.00.25
Country of OriginMainland China, Philippines, Taiwan

Where can I find the STM32L4R9AGI6 datasheet?

STM32L4R9AGI6 Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for STM32L4R9AGI6?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the clock frequency and computational performance of the STM32L4R9AGI6?

The STM32L4R9AGI6 operates at up to 120 MHz with its Arm Cortex-M4 core and FPU, delivering 150 DMIPS of processing throughput. This performance level supports real-time graphics compositing, FFT-based sensor signal processing, and simultaneous management of multiple peripheral interfaces such as MIPI DSI, USB, and SPI without performance bottlenecks in IoT or wearable designs.

How does the integrated MIPI DSI interface on the STM32L4R9AGI6 simplify display-equipped product designs?

The MIPI DSI interface on the STM32L4R9AGI6 allows direct connection to AMOLED and IPS display panels up to WVGA (800×480 pixels) at frame rates up to 60 Hz, eliminating the need for an external display controller IC. This integration reduces BOM cost by removing 1-2 ICs, saves up to 30% PCB area in compact wearable designs, and lowers power consumption compared to SPI-driven display solutions.

What memory configuration does the STM32L4R9AGI6 offer, and how does it support complex firmware?

The STM32L4R9AGI6 provides 2MB of Flash program memory and 640KB of SRAM, one of the largest on-chip memory configurations in the STM32L4 series. This capacity accommodates a full RTOS kernel, GUI framework such as TouchGFX, USB stack, BLE host, and application firmware simultaneously within internal memory, avoiding external QSPI Flash in cost-sensitive designs or reducing latency compared to code execution from external memory.

For a battery-powered wearable design, how does the STM32L4R9AGI6 achieve long battery life despite driving a color display?

The STM32L4R9AGI6 uses an integrated SMPS (switched-mode power supply) that achieves dynamic voltage scaling down to 1.0V core voltage and enables Stop 2 mode current as low as 2 µA with 640KB SRAM retention. The MIPI DSI interface supports display power-off commands to cut display current to near zero between interactions, while the Cortex-M4 autonomous peripheral DMA runs sensor sampling without waking the CPU, extending battery runtime to weeks on a 300 mAh cell in typical smartwatch usage patterns.

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About STMicroelectronics

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.

AvailabilityIn Stock
Reference Price (USD)
From $8.0973
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$9.8100$9.81
100+$9.4600$946.00
416+$8.8955$3700.51
832+$8.6926$7232.24
9984+$8.1393$81262.47
19968+$8.0973$161687.29
pcs
Unit price: $9.8100 · Total: $9.81

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy