STM32F446ZET6 - 180MHz ARM Cortex-M4F MCU | STMicroelectronics
Référence : STM32F446ZET6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $10.3636 | $10,36 |
| 10 | $7.4848 | $74,85 |
| 100 | $6.6212 | $662,12 |
| 500 | $6.3333 | $3 166,65 |
| 1 000 | $6.0455 | $6 045,50 |
STM32F446ZET6 Présentation
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of embedded systems, enabling control, monitoring, and communication in devices ranging from automotive engine control units to smart home sensors. The STM32F446ZET6 is a high-end MCU within the STM32 family, positioned above entry-level Cortex-M0/M3 parts and offering superior performance and peripheral integration.
Key features of the STM32F446ZET6 include a 180 MHz ARM Cortex-M4F core with FPU, 512 KB flash memory, 128 KB SRAM, and a comprehensive set of peripherals: multiple 12-bit ADCs, DACs, timers, USARTs, SPIs, I2Cs, USB OTG, CAN, and an FMC (Flexible Memory Controller) for external memory expansion. The device supports a wide supply voltage range of 1.8V to 3.6V and operates over a temperature range of -40°C to +85°C. It also features a true random number generator (RNG), a cryptographic acceleration cell, and a real-time clock (RTC).
The STM32F446ZET6 is built on ST's advanced 90nm process technology, delivering a balance of performance and power efficiency. The Cortex-M4F core with FPU accelerates mathematical computations, making it ideal for DSP and control algorithms. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust real-time operation. The FMC supports external SDRAM, NOR, and NAND flash, enabling large data buffers and code expansion.
Typical applications include motor control (e.g., field-oriented control of brushless DC motors), industrial automation (PLCs, robotics), medical devices (patient monitors, infusion pumps), and consumer electronics (smart appliances, audio systems). The rich connectivity options (USB, CAN, UART, SPI, I2C) make it a versatile choice for IoT gateways and human-machine interfaces (HMI).
When designing with the STM32F446ZET6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be filtered with a ferrite bead and capacitor to reduce analog noise. The device supports multiple low-power modes (Sleep, Stop, Standby) to optimize battery life in portable applications.
Alternatives de remplacement direct pour STM32F446ZET6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32F446ZET6TR
📋 Alternative de référence (hors catalogue)
STM32F446ZET6Q
📋 Alternative de référence (hors catalogue)
STM32F446ZET7
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Voir la fiche technique →STM32F446ZET6 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Speed | 180 MHz |
| Flash Memory | 512 KB |
| SRAM | 128 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Plage de température de fonctionnement | -40°C to +85°C |
| Boîtier | LQFP144 (20x20 mm) |
| Number of I/O Pins | 114 |
| ADC | 3x 12-bit, up to 24 channels |
| DAC | 2x 12-bit |
| Timers | 12x 16-bit, 2x 32-bit |
| USART | 4x |
| SPI | 4x |
| I2C | 4x |
| USB | USB OTG FS/HS |
| CAN | 2x |
| FMC | Yes (external memory interface) |
| RNG | Yes (true random number generator) |
| RTC | Yes (with calendar) |
| DMA | 16 channels |
| Statut RoHS | Compliant |
Configuration des broches de STM32F446ZET6
| Broche 1 | PE2 — GPIO / alternate functions |
| Broche 2 | PE3 — GPIO / alternate functions |
| Broche 3 | PE4 — GPIO / alternate functions |
| Broche 4 | PE5 — GPIO / alternate functions |
| Broche 5 | PE6 — GPIO / alternate functions |
| Broche 6 | VBAT — Backup battery supply |
| Broche 7 | PC13 — GPIO / RTC tamper |
| Broche 8 | PC14 — GPIO / OSC32_IN |
| Broche 9 | PC15 — GPIO / OSC32_OUT |
| Broche 10 | PF0 — GPIO / FMC_A0 |
| Broche 11 | PF1 — GPIO / FMC_A1 |
| Broche 12 | PF2 — GPIO / FMC_A2 |
| Broche 13 | PF3 — GPIO / FMC_A3 |
| Broche 14 | PF4 — GPIO / FMC_A4 |
| Broche 15 | PF5 — GPIO / FMC_A5 |
| Broche 16 | VSS — Ground |
| Broche 17 | VDD — Power supply |
| Broche 18 | PF6 — GPIO / FMC_NWAIT |
| Broche 19 | PF7 — GPIO / FMC_NE1 |
| Broche 20 | PF8 — GPIO / FMC_NCE2 |
| Broche 21 | PF9 — GPIO / FMC_NCE3 |
| Broche 22 | PF10 — GPIO / FMC_NE2 |
| Broche 23 | PF11 — GPIO / FMC_NCE4 |
| Broche 24 | PF12 — GPIO / FMC_A6 |
| Broche 25 | PF13 — GPIO / FMC_A7 |
| Broche 26 | PF14 — GPIO / FMC_A8 |
| Broche 27 | PF15 — GPIO / FMC_A9 |
| Broche 28 | PG0 — GPIO / FMC_A10 |
| Broche 29 | PG1 — GPIO / FMC_A11 |
| Broche 30 | PG2 — GPIO / FMC_A12 |
| Broche 31 | PG3 — GPIO / FMC_A13 |
| Broche 32 | PG4 — GPIO / FMC_A14 |
| Broche 33 | PG5 — GPIO / FMC_A15 |
| Broche 34 | VSS — Ground |
| Broche 35 | VDD — Power supply |
| Broche 36 | PG6 — GPIO / FMC_NE1 |
| Broche 37 | PG7 — GPIO / FMC_INT |
| Broche 38 | PG8 — GPIO / FMC_NCE2 |
| Broche 39 | PG9 — GPIO / FMC_NE2 |
| Broche 40 | PG10 — GPIO / FMC_NE3 |
| Broche 41 | PG11 — GPIO / FMC_NE4 |
| Broche 42 | PG12 — GPIO / FMC_NE4 |
| Broche 43 | PG13 — GPIO / FMC_A24 |
| Broche 44 | PG14 — GPIO / FMC_A25 |
| Broche 45 | PG15 — GPIO / FMC_SDNCAS |
| Broche 46 | PD0 — GPIO / FMC_D2 |
| Broche 47 | PD1 — GPIO / FMC_D3 |
| Broche 48 | PD2 — GPIO / FMC_D4 |
| Broche 49 | PD3 — GPIO / FMC_D5 |
| Broche 50 | PD4 — GPIO / FMC_D6 |
| Broche 51 | PD5 — GPIO / FMC_D7 |
| Broche 52 | PD6 — GPIO / FMC_D8 |
| Broche 53 | PD7 — GPIO / FMC_D9 |
| Broche 54 | VSS — Ground |
| Broche 55 | VDD — Power supply |
| Broche 56 | PD8 — GPIO / USART3_TX |
| Broche 57 | PD9 — GPIO / USART3_RX |
| Broche 58 | PD10 — GPIO / USART3_CK |
| Broche 59 | PD11 — GPIO / USART3_CTS |
| Broche 60 | PD12 — GPIO / USART3_RTS |
| Broche 61 | PD13 — GPIO / TIM4_CH2 |
| Broche 62 | PD14 — GPIO / TIM4_CH3 |
| Broche 63 | PD15 — GPIO / TIM4_CH4 |
| Broche 64 | PC0 — GPIO / ADC123_IN10 |
| Broche 65 | PC1 — GPIO / ADC123_IN11 |
| Broche 66 | PC2 — GPIO / ADC123_IN12 |
| Broche 67 | PC3 — GPIO / ADC123_IN13 |
| Broche 68 | PC4 — GPIO / ADC12_IN14 |
| Broche 69 | PC5 — GPIO / ADC12_IN15 |
| Broche 70 | VSS — Ground |
| Broche 71 | VDD — Power supply |
| Broche 72 | PB2 — GPIO / BOOT1 |
| Broche 73 | PE7 — GPIO / TIM1_ETR |
| Broche 74 | PE8 — GPIO / TIM1_CH1 |
| Broche 75 | PE9 — GPIO / TIM1_CH1N |
| Broche 76 | PE10 — GPIO / TIM1_CH2 |
| Broche 77 | PE11 — GPIO / TIM1_CH2N |
| Broche 78 | PE12 — GPIO / TIM1_CH3 |
| Broche 79 | PE13 — GPIO / TIM1_CH3N |
| Broche 80 | PE14 — GPIO / TIM1_CH4 |
| Broche 81 | PE15 — GPIO / TIM1_CH4N |
| Broche 82 | PB10 — GPIO / I2C2_SCL |
| Broche 83 | PB11 — GPIO / I2C2_SDA |
| Broche 84 | VSS — Ground |
| Broche 85 | VDD — Power supply |
| Broche 86 | PB12 — GPIO / SPI2_NSS |
| Broche 87 | PB13 — GPIO / SPI2_SCK |
| Broche 88 | PB14 — GPIO / SPI2_MISO |
| Broche 89 | PB15 — GPIO / SPI2_MOSI |
| Broche 90 | PD8 — GPIO / USART3_TX |
| Broche 91 | PD9 — GPIO / USART3_RX |
| Broche 92 | PD10 — GPIO / USART3_CK |
| Broche 93 | PD11 — GPIO / USART3_CTS |
| Broche 94 | PD12 — GPIO / USART3_RTS |
| Broche 95 | PD13 — GPIO / TIM4_CH2 |
| Broche 96 | PD14 — GPIO / TIM4_CH3 |
| Broche 97 | PD15 — GPIO / TIM4_CH4 |
| Broche 98 | PC6 — GPIO / TIM3_CH1 |
| Broche 99 | PC7 — GPIO / TIM3_CH2 |
| Broche 100 | PC8 — GPIO / TIM3_CH3 |
| Broche 101 | PC9 — GPIO / TIM3_CH4 |
| Broche 102 | PA0 — GPIO / ADC123_IN0 / WKUP |
| Broche 103 | PA1 — GPIO / ADC123_IN1 |
| Broche 104 | PA2 — GPIO / ADC123_IN2 / USART2_TX |
| Broche 105 | PA3 — GPIO / ADC123_IN3 / USART2_RX |
| Broche 106 | VSS — Ground |
| Broche 107 | VDD — Power supply |
| Broche 108 | PA4 — GPIO / ADC12_IN4 / DAC_OUT1 |
| Broche 109 | PA5 — GPIO / ADC12_IN5 / DAC_OUT2 |
| Broche 110 | PA6 — GPIO / ADC12_IN6 / TIM3_CH1 |
| Broche 111 | PA7 — GPIO / ADC12_IN7 / TIM3_CH2 |
| Broche 112 | PC4 — GPIO / ADC12_IN14 |
| Broche 113 | PC5 — GPIO / ADC12_IN15 |
| Broche 114 | PB0 — GPIO / ADC12_IN8 / TIM3_CH3 |
| Broche 115 | PB1 — GPIO / ADC12_IN9 / TIM3_CH4 |
| Broche 116 | PB2 — GPIO / BOOT1 |
| Broche 117 | PE7 — GPIO / TIM1_ETR |
| Broche 118 | PE8 — GPIO / TIM1_CH1 |
| Broche 119 | PE9 — GPIO / TIM1_CH1N |
| Broche 120 | PE10 — GPIO / TIM1_CH2 |
| Broche 121 | PE11 — GPIO / TIM1_CH2N |
| Broche 122 | PE12 — GPIO / TIM1_CH3 |
| Broche 123 | PE13 — GPIO / TIM1_CH3N |
| Broche 124 | PE14 — GPIO / TIM1_CH4 |
| Broche 125 | PE15 — GPIO / TIM1_CH4N |
| Broche 126 | PB10 — GPIO / I2C2_SCL |
| Broche 127 | PB11 — GPIO / I2C2_SDA |
| Broche 128 | VSS — Ground |
| Broche 129 | VDD — Power supply |
| Broche 130 | PB12 — GPIO / SPI2_NSS |
| Broche 131 | PB13 — GPIO / SPI2_SCK |
| Broche 132 | PB14 — GPIO / SPI2_MISO |
| Broche 133 | PB15 — GPIO / SPI2_MOSI |
| Broche 134 | PD8 — GPIO / USART3_TX |
| Broche 135 | PD9 — GPIO / USART3_RX |
| Broche 136 | PD10 — GPIO / USART3_CK |
| Broche 137 | PD11 — GPIO / USART3_CTS |
| Broche 138 | PD12 — GPIO / USART3_RTS |
| Broche 139 | PD13 — GPIO / TIM4_CH2 |
| Broche 140 | PD14 — GPIO / TIM4_CH3 |
| Broche 141 | PD15 — GPIO / TIM4_CH4 |
| Broche 142 | PC6 — GPIO / TIM3_CH1 |
| Broche 143 | PC7 — GPIO / TIM3_CH2 |
| Broche 144 | PC8 — GPIO / TIM3_CH3 |
Applications typiques
STM32F446ZET6 convient pour 6 applications: Motor Control, Industrial Automation, Medical Devices, Consumer Electronics, IoT Gateways, Audio Processing.
Motor Control
The STM32F446ZET6 is ideal for motor control applications due to its 180 MHz Cortex-M4F core with FPU, advanced timers with complementary PWM outputs, and high-speed ADCs. It supports field-oriented control (FOC) for BLDC, PMSM, and AC induction motors. The FPU accelerates complex mathematical computations, enabling real-time control loops. The device's rich peripheral set includes multiple timers for encoder feedback and PWM generation, and the ADC can sample current and voltage signals with high precision. In a typical motor control system, the STM32F446ZET6 reads current sensors via ADC, executes the FOC algorithm, and generates PWM signals to drive the inverter. The dead-time generation and break features ensure safe operation. Compared to lower-performance MCUs, the F446 provides higher control loop frequency and better dynamic response, reducing torque ripple and improving efficiency. Designers should ensure proper isolation and filtering of analog signals to maintain ADC accuracy.
Recommandé
Industrial Automation
The STM32F446ZET6 is well-suited for industrial automation, including PLCs, robotics, and process control. Its 180 MHz core and extensive connectivity (CAN, UART, SPI, I2C) enable communication with sensors, actuators, and higher-level controllers. The FMC interface allows external memory expansion for data logging or large control programs. The device's robust design, with a wide temperature range and low-power modes, makes it reliable in harsh industrial environments. In a PLC, the STM32F446ZET6 can handle multiple I/O points, execute ladder logic, and communicate via Modbus or EtherCAT. The FPU accelerates PID control algorithms, improving response time. The RNG and cryptographic acceleration enhance security for industrial IoT applications. Designers should consider using the STM32F446ZET6's DMA to offload data transfer from the CPU, ensuring real-time performance. The device's 5V-tolerant I/O pins simplify interfacing with industrial sensors and actuators.
Recommandé
Medical Devices
The STM32F446ZET6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance enables real-time signal processing, while its low-power modes extend battery life in portable devices. The device's multiple ADCs and DACs allow precise analog signal acquisition and generation. In a patient monitor, the STM32F446ZET6 can process ECG, SpO2, and blood pressure signals, displaying waveforms on an LCD via the FMC interface. The FPU accelerates digital filtering algorithms, improving signal quality. The device's security features (RNG, crypto) protect patient data. Designers must ensure compliance with medical standards (IEC 60601) and implement proper isolation for patient-connected circuits. The STM32F446ZET6's wide supply voltage range (1.8V-3.6V) allows operation from a single lithium-ion battery. The RTC enables timestamping of patient data.
Recommandé
Consumer Electronics
The STM32F446ZET6 is used in consumer electronics such as smart appliances, audio systems, and gaming peripherals. Its high clock speed and rich peripherals enable advanced user interfaces, audio processing, and connectivity. In a smart speaker, the STM32F446ZET6 can handle voice recognition, audio playback, and Wi-Fi communication via an external module. The I2S interface supports high-quality audio codecs, and the FPU accelerates audio effects. The device's USB OTG allows direct connection to smartphones for firmware updates or data transfer. The FMC can drive TFT-LCD displays for touch interfaces. Designers can leverage the STM32F446ZET6's low-power modes to meet energy efficiency standards. The device's small form factor (LQFP144) and wide temperature range make it suitable for consumer products. The RNG and crypto acceleration enhance security for smart home applications.
Recommandé
IoT Gateways
The STM32F446ZET6 is an excellent choice for IoT gateways that aggregate data from multiple sensors and communicate with the cloud. Its multiple UARTs, SPIs, and I2Cs allow connection to various sensors and communication modules (e.g., LoRa, Zigbee, Wi-Fi). The 180 MHz core can handle protocol stacks and data processing. The FMC interface can expand memory for buffering data. In a typical IoT gateway, the STM32F446ZET6 collects sensor data via UART or SPI, processes it, and forwards it to the cloud via Ethernet or Wi-Fi. The device's security features (RNG, crypto) ensure secure communication. The low-power modes enable battery-powered gateways. Designers should consider using the STM32F446ZET6's DMA to handle high data rates without CPU intervention. The device's wide supply voltage range and temperature range make it suitable for outdoor deployments.
Recommandé
Audio Processing
The STM32F446ZET6 is well-suited for audio processing applications such as audio interfaces, effects processors, and voice-controlled devices. Its 180 MHz Cortex-M4F core with FPU accelerates DSP algorithms like filtering, FFT, and audio effects. The device features a dedicated audio PLL and multiple I2S interfaces with full-duplex support, enabling high-quality audio streaming. In an audio interface, the STM32F446ZET6 can handle multiple channels of audio input/output, apply effects, and communicate with a host via USB. The FPU enables real-time processing of audio signals with low latency. The device's DACs can generate analog audio output directly. Designers should use the audio PLL to generate precise clock frequencies for I2S, reducing jitter. The STM32F446ZET6's large SRAM (128 KB) allows buffering of audio data. The device's low-power modes are beneficial for portable audio devices.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F446ZET6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F446ZET6TR | STM32F446ZET6Q | STM32F446ZET7 |
|---|---|---|---|---|
| Package | LQFP144 | LQFP144 | LQFP144 | LQFP144 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock Speed | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | -40°C to +105°C | -40°C to +85°C |
| Number of I/O Pins | 114 | 114 | 114 | 114 |
Principaux différenciateurs
- Higher clock speed (180 MHz) than many competitors (vs STM32F407ZET6 (168 MHz))
- Dedicated audio PLL (vs STM32F407ZET6)
- More SRAM (128 KB) than some alternatives (vs STM32F446RET6 (128 KB SRAM))
Notes de conception
The STM32F446ZET6 requires a stable power supply. Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin, and add a 4.7uF bulk capacitor per power domain. The VDDA pin should be connected to a filtered analog supply using a ferrite bead and a 1uF capacitor to reduce noise for ADC accuracy. Ensure VSS and VSSA are connected to a solid ground plane.
For the LQFP144 package, use a 4-layer PCB with a dedicated ground plane and power plane. Place the crystal oscillator (HSE) and load capacitors close to the OSC_IN/OSC_OUT pins, with a ground guard ring to minimize noise. Keep high-speed signals (e.g., FMC, USB) away from analog pins to reduce crosstalk. Use via stitching around the ground plane to reduce EMI.
A common mistake is forgetting to configure the BOOT0 and BOOT1 pins correctly. BOOT0 must be pulled low for normal boot from flash. Also, ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using the FMC, verify the timing parameters for external memory to avoid data corruption. For USB HS, an external PHY is required; do not connect the USB DP/DM directly to the MCU without a PHY.
Informations de conformité
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F446ZET6Q (extended temp) but still not AEC-Q100.
