STM32G4A1MES6 STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock

STM32G4A1MES6 is a mainstream Arm Cortex-M4 microcontroller from STMicroelectronics running at 170 MHz with 512 KB Flash, a hardware math accelerator, medium analog integration, and AES cryptographic engine. It is available in a compact QFN package for advanced motor control and IoT applications.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
STM32G4A1MES6Quad Flat Packages
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat Packages
Pin Count
80
Lifecycle
ACTIVE
Category
Integrated Circuit
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Arm Cortex-M4 core at 170 MHz with FPU and DSP instructions plus a hardware CORDIC math accelerator for fast trigonometric computation in motor control
  • 512 KB Flash and hardware AES cryptographic engine enabling secure firmware storage and encrypted communication in connected IoT devices
  • Medium analog integration including high-resolution ADC, DAC, and comparators reducing external component count in precision sensing designs

Applications

STM32G4A1MES6 is designed for digital motor control applications such as BLDC and PMSM drives, where the 170 MHz Cortex-M4 with CORDIC accelerator enables real-time field-oriented control algorithms at high switching frequencies. It also serves industrial IoT gateways and smart sensor nodes that require AES-based secure communication and on-chip analog peripherals for signal conditioning. The QFN package and low-power modes make it equally suited for energy-metering endpoints and wearable industrial monitors where board space and battery life are constrained.

Specifications

YTEOL9
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageQuad Flat Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCN5A992.C
HTS Code8542.31.00.30
Country of OriginMainland China, Taiwan

Datasheet

STM32G4A1MES6 Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STM32G4A1MES6:

STM32G4A1MET6STMicroelectronics

RISC Microcontroller

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STM32G431M8T6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

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STM32G431MBT6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

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STM32G474MET6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

View Part →
STM32G431M6T6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

View Part →
STM32G474MET3STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

View Part →
STM32G474MCT6STMicroelectronics

RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP80

View Part →

Frequently Asked Questions

How does the CORDIC math accelerator in STM32G4A1MES6 benefit motor control firmware at 170 MHz?

The hardware CORDIC unit computes trigonometric functions such as sine and cosine in fewer than 8 clock cycles, compared to hundreds of cycles for software implementations. At 170 MHz this frees the Cortex-M4 to close current-control loops at switching frequencies above 20 kHz, enabling precise and efficient field-oriented control of PMSM motors without a DSP co-processor.

What memory resources does STM32G4A1MES6 offer for firmware and data storage in embedded applications?

STM32G4A1MES6 includes 512 KB of internal Flash for application firmware and bootloaders, paired with SRAM for runtime data. The on-chip AES hardware engine can encrypt up to 128 blocks per second, protecting firmware images stored in Flash against extraction and supporting secure over-the-air update workflows in connected devices.

Which analog integration features of STM32G4A1MES6 reduce external component count in precision sensing designs?

STM32G4A1MES6 integrates high-resolution ADC channels, DAC outputs, and analog comparators on-chip, reducing the need for external signal-conditioning ICs. In a typical current-sensing front-end for a 3-phase inverter, this integration eliminates at least 2 to 3 external op-amp stages, cutting BOM cost and board area by a meaningful margin.

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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.

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

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

MR
Marco Rossi
CTO, AutoDrive Systems, Italy