STMicroelectronics STM32F446ZET7

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F4
Packaging Tray |
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 180MHz
Connectivity CANbus, EBI/EMI, I2C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG
Peripherals Brown-out Detect/Reset, DMA, I2S, LVD, POR, PWM, WDT
Number of I/O 114
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V
Data Converters A/D 24x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 144-LQFP (20x20)
Package / Case 144-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F446ZET7 from STMicroelectronics is a high-performance ARM Cortex-M4 microcontroller with FPU, operating at 180MHz. It provides 512KB flash and 128KB RAM, with a rich set of peripherals including I2S, LVD, and advanced PWM. Housed in a 144-LQFP package, it operates from -40°C to 105°C, making it ideal for demanding industrial and automotive applications.

  • 180MHz Cortex-M4 with FPU: Delivers exceptional processing power for complex real-time algorithms.
  • Extended Temperature Range (-40°C to 105°C): Ensures reliability in extreme environments.
  • High Pin Count (144-LQFP): Provides ample GPIOs and connectivity options for complex systems.
  • Advanced Timers and PWM: Supports high-resolution motor control and power conversion.

High-End Motor Drives

Use the 180MHz clock and advanced timers to generate high-frequency PWM for servo drives, achieving precise torque control with low ripple.

Industrial Robotics

With 144 pins and multiple communication interfaces, this MCU can coordinate multi-axis motion control and safety monitoring in harsh environments up to 105°C.

Power Inverters for Solar

Leverage the high-speed ADC and PWM to implement MPPT algorithms, maximizing energy harvest from solar panels with efficient switching.

Medical Imaging Devices

The FPU and DMA enable real-time processing of ultrasound or OCT signals, handling large data streams without CPU overload.

Automotive ECU

With a wide temperature range and robust peripherals, it can manage engine control or transmission systems, requiring deterministic real-time responses.

Audio Workstations

Use the I2S and SAI interfaces to route multiple audio channels, while the FPU processes effects like reverb or equalization in real-time.

Q: What is the maximum clock speed?
A: The STM32F446ZET7 runs at 180MHz, providing high computational throughput.
Q: Does it have an FPU?
A: Yes, it features a single-precision FPU on the Cortex-M4 core.
Q: What is the operating temperature range?
A: It is rated for -40°C to 105°C, suitable for extended industrial use.
Q: How much flash and RAM does it have?
A: It has 512KB flash and 128KB RAM.
Q: What package is it?
A: It comes in a 144-LQFP package with many I/O pins.
Base Product Number : STM32F446ZET7
144-LQFP 180MHz 32-bit ARM Cortex-M4 Automotive FPU Industrial MCU Motor Control STM32
Q: What is the maximum clock speed?
A: The STM32F446ZET7 runs at 180MHz, providing high computational throughput.
Q: Does it have an FPU?
A: Yes, it features a single-precision FPU on the Cortex-M4 core.
Q: What is the operating temperature range?
A: It is rated for -40°C to 105°C, suitable for extended industrial use.
Q: How much flash and RAM does it have?
A: It has 512KB flash and 128KB RAM.
Q: What package is it?
A: It comes in a 144-LQFP package with many I/O pins.