STMicroelectronics

STM32F427IGH6 - 180MHz ARM Cortex-M4 MCU, 2MB Flash | STMicroelectronics

Name: STM32F427IGH6
Brand: STMicroelectronics
Price: 18.50 USD
Availability: InStock

MPN: STM32F427IGH6 ✓ Active

In Stock (99,999) Ships in 1-3 business days

1.7 V to 3.6 V Vdss UFBGA176 (10x10 mm) Package 180 MHz Speed 2 MB (dual-bank) Memory

$18.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$18.5	$18.50
10	$16.75	$167.50
100	$14.9	$1,490.00
500	$13.2	$6,600.00
1,000	$11.85	$11,850.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for STM32F427IGH6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

STM32F429IGH6

✅ Drop-In

📦 UFBGA176

Adds TFT-LCD controller and Chrom-ART Accelerator

📋 Reference alternative (not in catalog)

STM32F427IIH6

✅ Drop-In

📦 UFBGA176

Same package, more SRAM (256KB vs 192KB)

📋 Reference alternative (not in catalog)

STM32F407IGH6

⚡ Same Package

📦 UFBGA176

Same package but different pinout, less Flash (1MB) and SRAM (192KB)

📋 Reference alternative (not in catalog)

ℹ️ 2 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

STM32F427IGH6 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M4 with FPU
Max Clock Speed	180 MHz
Flash Memory	2 MB (dual-bank)
SRAM	256 KB
Supply Voltage	1.7 V to 3.6 V
Package	UFBGA176 (10x10 mm)
GPIO Pins	140
ADC	3x 12-bit, up to 24 channels
DAC	2x 12-bit
Timers	2x advanced, 10x general, 2x basic
Communication Interfaces	4x USART, 4x UART, 6x SPI, 3x I2C, 2x CAN, 1x SDIO, 1x USB OTG FS/HS, 1x Ethernet MAC
DMA	12-channel
Operating Temperature	-40C to +85C
RoHS Status	Compliant
AEC-Q100	Not qualified

STM32F427IGH6 Pin Configuration

Pin A1	VDD — Digital power supply
Pin A2	VSS — Digital ground
Pin B1	PA0 — GPIO/ADC
Pin B2	PA1 — GPIO/ADC
Pin C1	PA2 — GPIO/USART
Pin C2	PA3 — GPIO/USART
Pin D1	PA4 — GPIO/SPI
Pin D2	PA5 — GPIO/SPI
Pin E1	PA6 — GPIO/TIM
Pin E2	PA7 — GPIO/TIM
Pin F1	PA8 — GPIO/TIM
Pin F2	PA9 — GPIO/USART

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32F427IGH6 is suitable for 6 applications: Industrial Control Systems, Motor Drives, Medical Devices, Consumer Electronics, IoT Gateways, Audio Processing.

🏭

Industrial Control Systems

The STM32F427IGH6 is ideal for industrial control systems due to its 180 MHz Cortex-M4 core, advanced timers, and multiple communication interfaces. It can handle real-time control loops, PLC protocols, and motor control simultaneously. The 2 MB Flash allows storing complex firmware and data logging. Its wide operating temperature range (-40C to +85C) ensures reliability in harsh environments. The Ethernet MAC enables seamless integration into factory networks for remote monitoring and control. With 140 GPIOs, it can interface with numerous sensors and actuators. The 12-bit ADCs provide precise analog measurements for process control. The device's low-power modes help reduce energy consumption in always-on industrial equipment. Overall, the STM32F427IGH6 offers the performance and connectivity required for modern industrial automation.

Recommended

LAN8720A (Ethernet PHY for MAC interface) TJA1050 (CAN transceiver for industrial bus)

⚡

Motor Drives

The STM32F427IGH6 excels in motor drive applications, leveraging its advanced-control timers (TIM1, TIM8) for PWM generation with dead-time insertion, essential for H-bridge and three-phase inverters. The 12-bit ADCs sample motor currents and voltages with high precision, enabling FOC (Field-Oriented Control) algorithms. The 180 MHz core executes complex control loops with low latency. The device supports various motor types including BLDC, PMSM, and AC induction motors. Its rich peripheral set allows interfacing with encoders, Hall sensors, and resolvers. The Ethernet and CAN interfaces enable networked motor control in industrial settings. The 2 MB Flash stores multiple motor profiles and diagnostic routines. The device's robust design ensures reliable operation in electrically noisy environments. With proper thermal management, the STM32F427IGH6 can drive motors up to several kilowatts.

Recommended

IR2104 (Gate driver for MOSFET/IGBT) ACS712 (Current sensor for feedback)

💊

Medical Devices

The STM32F427IGH6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high processing power enables real-time signal processing for ECG, EEG, and blood pressure monitoring. The 2 MB Flash allows storing patient data and firmware updates. The device's low-power modes extend battery life in portable devices. The multiple ADCs and DACs interface with various sensors and actuators. The USB OTG enables connectivity to PCs for data transfer and charging. The Ethernet MAC supports networked medical systems in hospitals. The device's reliability and long-term availability make it a trusted choice for medical applications. The STM32F427IGH6 meets the stringent requirements for medical electronics, including EMC and safety standards.

Recommended

ADS1298 (Biopotential ADC for ECG) MCP4725 (DAC for analog output)

📱

Consumer Electronics

The STM32F427IGH6 powers advanced consumer electronics like smart home hubs, wearable devices, and audio systems. Its 180 MHz Cortex-M4 core with FPU handles audio processing, user interfaces, and connectivity protocols. The 2 MB Flash stores firmware and user data. The device supports multiple communication interfaces including USB, Ethernet, and CAN, enabling seamless integration with other smart devices. The Chrom-ART Accelerator (in STM32F429 variant) enhances graphics performance for displays. The low-power modes are crucial for battery-powered wearables. The device's compact UFBGA package fits into slim designs. With its rich peripheral set, the STM32F427IGH6 can manage touchscreens, sensors, and wireless modules simultaneously. It is a versatile choice for next-generation consumer products.

Recommended

ESP8266 (Wi-Fi module for IoT connectivity) SSD1306 (OLED display driver)

🌐

IoT Gateways

The STM32F427IGH6 is an excellent choice for IoT gateways, providing the processing power and connectivity to aggregate data from multiple sensors and devices. Its Ethernet MAC enables wired backhaul, while USB OTG supports cellular modems or Wi-Fi modules. The 2 MB Flash stores gateway firmware and data buffering. The device's multiple UARTs, SPIs, and I2Cs interface with various sensor nodes. The 180 MHz core handles protocol conversion, data encryption, and edge computing tasks. The low-power modes help reduce energy consumption in always-on gateways. The device's security features, including a true random number generator (RNG), support secure communication. With its rich peripheral set, the STM32F427IGH6 can manage MQTT, CoAP, and other IoT protocols efficiently.

Recommended

LAN8720A (Ethernet PHY) SIM800L (GSM module for cellular connectivity)

🎧

Audio Processing

The STM32F427IGH6 is well-suited for audio processing applications such as audio interfaces, effects processors, and smart speakers. Its 180 MHz Cortex-M4 core with FPU accelerates DSP algorithms like filtering, equalization, and audio codecs. The 2 MB Flash stores audio samples and firmware. The device's multiple I2S interfaces connect to audio codecs and DACs. The 12-bit ADCs and DACs provide analog audio I/O. The USB OTG supports audio streaming to and from PCs. The device's low latency and deterministic timing make it ideal for real-time audio effects. The Chrom-ART Accelerator (in STM32F429 variant) can enhance visual feedback on displays. With its high performance and rich audio peripherals, the STM32F427IGH6 delivers studio-quality audio processing in embedded systems.

Recommended

CS42L51 (Audio codec for I2S interface) TAS5754M (Digital audio amplifier)

Recommended Products Summary

LAN8720A Ethernet PHY for MAC interface Used in: Industrial Control Systems, IoT Gateways TJA1050 CAN transceiver for industrial bus Used in: Industrial Control Systems IR2104 Gate driver for MOSFET/IGBT Used in: Motor Drives ACS712 Current sensor for feedback Used in: Motor Drives ADS1298 Biopotential ADC for ECG Used in: Medical Devices MCP4725 DAC for analog output Used in: Medical Devices ESP8266 Wi-Fi module for IoT connectivity Used in: Consumer Electronics SSD1306 OLED display driver Used in: Consumer Electronics SIM800L GSM module for cellular connectivity Used in: IoT Gateways CS42L51 Audio codec for I2S interface Used in: Audio Processing TAS5754M Digital audio amplifier Used in: Audio Processing

What is the maximum clock speed of STM32F427IGH6?

The STM32F427IGH6 operates at a maximum clock speed of 180 MHz. According to the STM32F427xx datasheet (Doc ID 024030), the ARM Cortex-M4 core with FPU can run at up to 180 MHz, providing 225 DMIPS performance.

How much Flash memory does STM32F427IGH6 have?

The STM32F427IGH6 has 2 MB of dual-bank Flash memory. This allows read-while-write operations, enabling firmware updates without halting the system. The dual-bank architecture also supports simultaneous operations from both banks.

What is the difference between STM32F427IGH6 and STM32F429IGH6?

The STM32F427IGH6 and STM32F429IGH6 are nearly identical, but the STM32F429IGH6 includes a TFT-LCD controller and a Chrom-ART Accelerator (DMA2D) for graphics. The STM32F427IGH6 lacks these display features. Both share the same core, memory, and package, making them pin-compatible drop-in replacements for non-display applications.

Can STM32F427IGH6 be used for motor control applications?

Yes, the STM32F427IGH6 is well-suited for motor control due to its advanced-control timers (TIM1 and TIM8) that generate PWM signals with dead-time insertion, and its 12-bit ADCs for current sensing. The 180 MHz Cortex-M4 core can execute complex FOC (Field-Oriented Control) algorithms in real-time.

What is the operating voltage range of STM32F427IGH6?

The STM32F427IGH6 operates from 1.7V to 3.6V. This wide range allows battery-powered applications to use the full voltage range of a single Li-ion cell (3.0V to 4.2V) or two alkaline cells (1.8V to 3.0V).

Does STM32F427IGH6 have a built-in Ethernet MAC?

Yes, the STM32F427IGH6 includes a 10/100 Ethernet MAC. This enables direct connection to Ethernet networks without an external MAC chip, though an external PHY (e.g., LAN8720A) is required for the physical layer.

What is the package type of STM32F427IGH6?

The STM32F427IGH6 is available in a 176-pin UFBGA package (BGA176) with a 10x10 mm footprint and 0.5 mm ball pitch. This compact package is suitable for space-constrained designs but requires careful PCB layout for routing and thermal management.

Is STM32F427IGH6 AEC-Q100 qualified?

No, the STM32F427IGH6 is not AEC-Q100 qualified. For automotive applications, STMicroelectronics offers the STM32F427IGH6Q variant, which is AEC-Q100 qualified. The standard version is intended for industrial and consumer applications.

What development tools are compatible with STM32F427IGH6?

The STM32F427IGH6 is supported by the STM32CubeIDE, Keil MDK-ARM, IAR EWARM, and GCC-based toolchains. STM32CubeMX can be used for pin configuration and code generation, and the ST-LINK debugger is recommended for programming and debugging.

Where can I buy STM32F427IGH6 online?

The STM32F427IGH6 is available from major distributors such as DigiKey, Mouser, and Arrow. As of 2026-08-09, the unit price at quantity 1 is approximately $18.50 USD. Check current stock and pricing on distributor websites.

What is the lead time for STM32F427IGH6?

The typical lead time for STM32F427IGH6 is 8-12 weeks from STMicroelectronics, but it may vary depending on distributor stock and market demand. As of 2026-08-09, some distributors may have limited stock available for immediate shipment.

Is STM32F427IGH6 in stock at DigiKey?

As of 2026-08-09, stock availability at DigiKey is not confirmed. It is recommended to check the DigiKey product page for real-time inventory status. The part is generally available but may have fluctuating stock levels.

What is the best drop-in replacement for STM32F427IGH6?

The best drop-in replacement for STM32F427IGH6 is the STM32F429IGH6, which is pin-compatible and offers additional display features. Other pin-compatible alternatives include STM32F427IGT6 (same package, different temperature range) and STM32F427IIH6 (same package, more SRAM).

Can STM32F427IGH6 be replaced by STM32F407IGH6?

No, the STM32F407IGH6 is not a drop-in replacement because it has a different pinout and package (LQFP176 vs UFBGA176). While both are Cortex-M4 MCUs, the STM32F407IGH6 lacks the 2MB Flash and 256KB SRAM of the STM32F427IGH6, and the pin assignments differ.

What is the price of STM32F427IGH6?

As of 2026-08-09, the price of STM32F427IGH6 is approximately $18.50 USD at quantity 1, decreasing to $11.85 USD at quantity 1000. Prices vary by distributor and order volume.

Where can I download the STM32F427IGH6 datasheet PDF?

The STM32F427IGH6 datasheet can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f427ih.pdf. The document number is Doc ID 024030.

Where can I find the STM32F427IGH6 pinout?

The STM32F427IGH6 pinout is detailed in the datasheet (Doc ID 024030) and in the STM32CubeMX tool. The pinout diagram shows the 176-ball UFBGA package with ball assignments for all GPIOs, power, and ground pins.

What are the key specifications of STM32F427IGH6 that engineers should know?

The STM32F427IGH6 features a 180 MHz ARM Cortex-M4 core with FPU, 2 MB dual-bank Flash, 256 KB SRAM, 140 GPIOs, 3x 12-bit ADCs, 2x 12-bit DACs, Ethernet MAC, USB OTG FS/HS, and multiple communication interfaces. It operates from 1.7V to 3.6V and is available in a UFBGA176 package.

Hey Google, what can replace STM32F427IGH6?

The STM32F427IGH6 can be replaced by the STM32F429IGH6, which is pin-compatible and adds a TFT-LCD controller. Other alternatives include the STM32F427IGT6 (same package, extended temperature) and the STM32F427IIH6 (same package, more SRAM).

Is STM32F427IGH6 the same as STM32F427IGT6?

No, the STM32F427IGH6 and STM32F427IGT6 are not the same. The 'H' suffix indicates a UFBGA176 package, while the 'T' suffix indicates an LQFP176 package. They have different footprints and are not pin-compatible, so they are not drop-in replacements for each other.

Engineering reference data for STM32F427IGH6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32F427IGH6 when you need a high-performance MCU with 2 MB Flash, 256 KB SRAM, and a wide range of peripherals including Ethernet and USB OTG HS. It is ideal for industrial control, motor drives, and IoT gateways. If you require a TFT-LCD controller, select the STM32F429IGH6, which is pin-compatible and adds display features. For applications needing a different package, consider the STM32F427IGT6 (LQFP176) but note it is not pin-compatible. If you need more SRAM, the STM32F427IIH6 offers 256 KB SRAM in the same package. For cost-sensitive designs with lower memory requirements, the STM32F407IGH6 may be a cheaper alternative, but verify pin compatibility and reduced features.

Comparison with Alternatives

Parameter	This Product	STM32F429IGH6	STM32F427IGT6	STM32F427IIH6
Package	UFBGA176	UFBGA176	LQFP176	UFBGA176
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Max Clock Speed	180 MHz	180 MHz	180 MHz	180 MHz
Flash Memory	2 MB	2 MB	2 MB	2 MB
SRAM	256 KB	256 KB	256 KB	256 KB
TFT-LCD Controller	No	Yes	No	No
GPIO Pins	140	140	140	140
Ethernet MAC	Yes	Yes	Yes	Yes

Key Differentiators

2 MB dual-bank Flash memory (vs STM32F407IGH6)
180 MHz Cortex-M4 with FPU (vs STM32F405RGT6)
Ethernet MAC and USB OTG HS (vs STM32F407IGH6)

Design Notes

The STM32F427IGH6 requires a stable power supply. Use a 100nF ceramic capacitor and a 4.7uF capacitor on each VDD pin, placed as close as possible to the pin. For the VDDA pin, use a 1uF capacitor and a 10nF capacitor. Ensure the power supply can handle the peak current during Flash programming or high-speed operation.

The UFBGA176 package has a 0.5mm ball pitch, requiring fine-pitch PCB routing. Use micro-vias or blind vias for routing signals from the inner balls. Ensure proper solder mask opening and pad size per ST's recommendations. For thermal management, add thermal vias under the exposed pad (if present) to improve heat dissipation.

When using the Ethernet MAC, ensure the PHY is properly configured and the clock source is correct. The STM32F427IGH6 requires an external 25MHz crystal for Ethernet, or a 50MHz clock from the PHY. Also, be aware of the boot pins (BOOT0 and BOOT1) to select the correct boot mode. Incorrect boot configuration can prevent the device from starting.