STM32G441CBT6 - 170MHz ARM Cortex-M4 MCU | STMicroelectronics
料号： STM32G441CBT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.89 | $38.90 |
| 100 | $3.46 | $346.00 |
| 500 | $3.11 | $1,555.00 |
| 1,000 | $2.76 | $2,760.00 |
STM32G441CBT6 概述
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals on a single chip. The STM32G441CBT6 belongs to the STM32G4 series, which is optimized for mixed-signal applications such as motor control, digital power conversion, and industrial automation. As a member of the STM32 family, it offers a balance of performance, power efficiency, and peripheral integration.
Key features of the STM32G441CBT6 include a 170 MHz ARM Cortex-M4 core with FPU, 128 KB flash, 32 KB SRAM, and a rich set of peripherals including multiple 12-bit ADCs, DACs, comparators, op-amps, and advanced timers. It also supports various communication interfaces such as SPI, I2C, USART, and CAN FD, enabling flexible system integration. The device operates from 1.71V to 3.6V supply and is available in a 48-pin LQFP package.
The STM32G441CBT6 leverages ST's advanced 90nm process technology, providing high performance with low power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for real-time control loops and signal processing. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust and deterministic interrupt handling.
Typical applications include motor control for industrial drives, digital power supplies, battery management systems, and advanced sensing applications. Its high-speed ADC and timer synchronization capabilities make it particularly well-suited for power conversion topologies like LLC resonant converters and PFC stages. The device also supports firmware updates via its bootloader and SWD interface.
When designing with the STM32G441CBT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be bypassed with a 1uF capacitor for accurate ADC conversions. Careful PCB layout is essential to minimize noise and ensure reliable operation at 170 MHz.
直接替换替代料： STM32G441CBT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32G441CBT6 （相同外形与封装尺寸） ——差异在于 Communication Interfaces, Core, Package, ADC Resolution, DMA Channels.
快速对比工具——选择替代料号进行并排对比：
STM32G431CBT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.9773 / 个
查看数据手册 →STM32G441CBT6
✅ 直接替换✓ 有现货
$2.76 / 个
查看数据手册 →STM32G474CBT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32G491CBT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32G431CBT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.9773 / 个
查看数据手册 →STM32G441CBT6
✅ 直接替换✓ 有现货
$2.76 / 个
查看数据手册 →STM32G474CBT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32G491CBT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32G441CBT6 最大额定值与电气特性
| Core | ARM Cortex-M4 with FPU |
| 最大时钟频率 | 170 MHz |
| Flash Memory | 128 KB |
| SRAM | 32 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| 封装 | LQFP-48 |
| 工作温度范围 | -40C to +85C |
| Number of I/O Pins | 36 |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 17 |
| DAC Resolution | 12-bit |
| Number of Timers | 10 |
| Communication Interfaces | SPI, I2C, USART, CAN FD |
| DMA Channels | 14 |
| RoHS 状态 | Compliant |
STM32G441CBT6 引脚配置
| 引脚 1 | VBAT — Battery backup supply |
| 引脚 2 | PC13 — GPIO / RTC output |
| 引脚 3 | PC14 — GPIO / OSC32_IN |
| 引脚 4 | PC15 — GPIO / OSC32_OUT |
| 引脚 5 | PF0 — GPIO / OSC_IN |
| 引脚 6 | PF1 — GPIO / OSC_OUT |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | VDD — Digital power supply |
| 引脚 9 | VSS — Digital ground |
| 引脚 10 | PA0 — GPIO / ADC input |
| 引脚 11 | PA1 — GPIO / ADC input |
| 引脚 12 | PA2 — GPIO / USART2_TX |
| 引脚 13 | PA3 — GPIO / USART2_RX |
| 引脚 14 | PA4 — GPIO / DAC_OUT1 |
| 引脚 15 | PA5 — GPIO / DAC_OUT2 |
| 引脚 16 | PA6 — GPIO / TIM1_CH1 |
| 引脚 17 | PA7 — GPIO / TIM1_CH2 |
| 引脚 18 | PB0 — GPIO / TIM1_CH3 |
| 引脚 19 | PB1 — GPIO / TIM1_CH4 |
| 引脚 20 | PB2 — GPIO / BOOT1 |
| 引脚 21 | PB10 — GPIO / I2C2_SCL |
| 引脚 22 | PB11 — GPIO / I2C2_SDA |
| 引脚 23 | PB12 — GPIO / SPI2_NSS |
| 引脚 24 | PB13 — GPIO / SPI2_SCK |
| 引脚 25 | PB14 — GPIO / SPI2_MISO |
| 引脚 26 | PB15 — GPIO / SPI2_MOSI |
| 引脚 27 | PA8 — GPIO / TIM1_CH1 |
| 引脚 28 | PA9 — GPIO / USART1_TX |
| 引脚 29 | PA10 — GPIO / USART1_RX |
| 引脚 30 | PA11 — GPIO / CAN_RX |
| 引脚 31 | PA12 — GPIO / CAN_TX |
| 引脚 32 | PA13 — GPIO / SWDIO |
| 引脚 33 | PA14 — GPIO / SWCLK |
| 引脚 34 | PA15 — GPIO / JTDI |
| 引脚 35 | PB3 — GPIO / JTDO |
| 引脚 36 | PB4 — GPIO / NJTRST |
| 引脚 37 | PB5 — GPIO / I2C1_SMBA |
| 引脚 38 | PB6 — GPIO / I2C1_SCL |
| 引脚 39 | PB7 — GPIO / I2C1_SDA |
| 引脚 40 | PB8 — GPIO / CAN_RX |
| 引脚 41 | PB9 — GPIO / CAN_TX |
| 引脚 42 | VDD — Digital power supply |
| 引脚 43 | VSS — Digital ground |
| 引脚 44 | VDDA — Analog power supply |
| 引脚 45 | VREF+ — ADC reference voltage |
| 引脚 46 | VREF- — ADC reference ground |
| 引脚 47 | PC0 — GPIO / ADC input |
| 引脚 48 | PC1 — GPIO / ADC input |
典型应用
STM32G441CBT6 适用于 6 应用s: Motor Control, Digital Power Conversion, Battery Management Systems, Industrial Automation, Robotics, Advanced Sensing.
Motor Control
The STM32G441CBT6 is ideal for motor control applications due to its high-speed ADC (up to 4 Msps) and advanced timers with PWM generation. It supports Field-Oriented Control (FOC) for brushless DC motors, enabling efficient and smooth operation. The Cortex-M4 FPU accelerates complex control algorithms, while the multiple ADCs allow simultaneous sampling of phase currents. In a typical motor drive, the MCU reads current sensors via ADC, computes the FOC algorithm, and generates PWM signals to the inverter. The high clock frequency ensures low latency, and the timers provide dead-time insertion for safe switching. Compared to lower-performance MCUs, the G441 reduces torque ripple and improves efficiency, making it suitable for industrial drives, robotics, and automotive applications.
推荐
Digital Power Conversion
The STM32G441CBT6 excels in digital power conversion, such as LLC resonant converters and PFC stages. Its high-resolution timers (up to 184 ps) enable precise PWM control, while the fast comparators and DACs support peak current mode control. The device's 170 MHz core can execute complex control loops, such as PID or state-space controllers, in real time. In a typical LLC converter, the MCU generates complementary PWM signals with adjustable dead-time, monitors output voltage and current via ADC, and adjusts switching frequency to regulate output. The G441's analog peripherals reduce external component count, and its low latency ensures stable operation under transient loads. This makes it suitable for server power supplies, EV chargers, and renewable energy inverters.
推荐
Battery Management Systems
The STM32G441CBT6 is well-suited for battery management systems (BMS) in electric vehicles and energy storage. Its multiple ADCs can monitor cell voltages and temperatures, while the CAN FD interface enables communication with the vehicle's main controller. The device's low-power modes help extend battery life during standby. In a typical BMS, the MCU reads cell voltages through a resistor divider network, measures pack current via a shunt, and estimates state of charge using algorithms. The G441's high processing power allows real-time monitoring and protection, and its robust communication interfaces ensure reliable data exchange. The wide supply voltage range (1.71V to 3.6V) accommodates various battery configurations, making it a flexible choice for BMS designs.
推荐
Industrial Automation
The STM32G441CBT6 is a powerful MCU for industrial automation, including PLCs, sensors, and actuators. Its rich set of communication interfaces (SPI, I2C, USART, CAN FD) allows seamless integration with industrial networks. The device's high-speed ADC and timers enable precise control of analog signals and PWM outputs. In a typical PLC, the MCU reads input signals from sensors, processes them, and drives output actuators. The G441's deterministic interrupt handling ensures real-time response, and its robust design operates reliably in harsh industrial environments. The 170 MHz core provides ample processing power for complex control logic, making it suitable for advanced automation systems.
推荐
Robotics
The STM32G441CBT6 is ideal for robotics applications, from simple hobby robots to advanced autonomous systems. Its high-speed ADC and timers enable precise motor control, while the FPU accelerates kinematics calculations. The device's multiple communication interfaces allow interfacing with sensors, cameras, and other modules. In a typical robot, the MCU controls servo motors via PWM, reads encoder feedback, and processes sensor data to navigate. The G441's low latency and high clock speed ensure smooth and responsive operation. Its small LQFP-48 package is suitable for compact robot designs, and its low power consumption extends battery life in mobile robots.
推荐
Advanced Sensing
The STM32G441CBT6 is well-suited for advanced sensing applications, such as vibration monitoring, predictive maintenance, and smart sensors. Its high-resolution ADC (12-bit) and multiple channels allow precise measurement of analog signals from sensors. The device's DSP instructions and FPU enable on-chip signal processing, reducing the need for external DSPs. In a typical vibration monitoring system, the MCU samples accelerometer data, performs FFT analysis, and transmits results via communication interfaces. The G441's low power consumption is ideal for battery-powered wireless sensors, and its wide operating temperature range (-40C to +85C) ensures reliable operation in harsh environments.
推荐
推荐产品汇总
工程参考数据： STM32G441CBT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32G431CBT6 | STM32G474CBT6 | STM32G491CBT6 |
|---|---|---|---|---|
| Package | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 170 MHz | 170 MHz | 170 MHz | 170 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB |
| CAN FD | Yes | No | Yes | Yes |
| Number of ADC Channels | 17 | 17 | 17 | 17 |
关键差异点
- CAN FD support （对比 STM32G431CBT6)
- Higher performance with 170 MHz core （对比 STM32G431CBT6)
- Advanced analog peripherals （对比 STM32G474CBT6)
设计说明
Decouple each VDD pin with a 100nF ceramic capacitor placed as close to the pin as possible. Additionally, connect a 4.7uF bulk capacitor to the main power rail. The VDDA pin should be connected to a clean analog supply, and VREF+ should be bypassed with a 1uF capacitor to ensure accurate ADC conversions. For battery-powered designs, use the VBAT pin for backup supply and connect a 100nF capacitor to it.
For reliable operation at 170 MHz, ensure a solid ground plane and minimize trace lengths for high-speed signals. Place the crystal oscillator (if used) close to the OSC_IN/OSC_OUT pins and keep the load capacitors within 5mm. Route the SWD interface (PA13/PA14) with proper impedance control to avoid signal integrity issues. Separate analog and digital ground planes and connect them at a single point near the VDDA pin.
Do not leave the NRST pin floating; connect a 100nF capacitor to ground and a 10k pull-up resistor to VDD. Ensure the BOOT0 pin is properly configured to select the desired boot mode. When using the ADC, avoid exceeding the maximum input voltage on any analog pin, and ensure VREF+ is within the specified range. Also, verify that the total current drawn from VDD does not exceed the maximum ratings.
合规信息
RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32G441CBT6Q or other automotive-grade variants.
