Integrated Circuits

STM32G441KBU6

STM32G441KBU6 - 170MHz Cortex-M4 MCU, 128KB Flash | STMicroelectronics

The STMicroelectronics STM32G441KBU6 is a 32-bit Arm Cortex-M4 microcontroller with an FPU, operating up to 170 MHz and delivering 213 DMIPS. It integrates 128 KB of Flash memory, 32 KB of SRAM, an ART Accelerator, DSP instructions, an MPU, a math accelerator, and AES hardware encryption in a 32-pin UFQFPN package measuring 5 x 5 mm. The combination supports compact embedded-control, sensing, communications, and motor-control designs requiring efficient 32-bit processing without an external memory interface. A microcontroller is a programmable integrated circuit that combines a processor core, memory, peripherals, and I/O in one device. The STM32G4 family is positioned within the broader hierarchy of embedded processors, where Arm Cortex-M4 cores combine efficient interrupt handling, deterministic peripheral access, and broad ecosystem support. The Cortex-M4 architecture adds a single-precision floating-point unit, while the STM32 implementation adds the ART Accelerator for zero-wait-state execution from Flash and dedicated hardware for math and cryptographic operations. Key features include 170 MHz maximum clock operation, 213 DMIPS performance, 128 KB of Flash, and 32 KB of SRAM. The DSP instruction set supports efficient fixed- and floating-point signal-processing workloads, and the math accelerator accelerates suitable matrix and vector operations. AES hardware encryption reduces software processing load for applications that protect stored or transmitted data. The memory organization also supports firmware and working data within one compact package, making the MCU suitable for space-constrained products. The STM32G441KBU6 is positioned for industrial motor control, digital power conversion, robotics, communications equipment, and precision analog measurement. Its 170 MHz Cortex-M4 core can shorten control-loop execution time, while DSP instructions and the math accelerator improve signal-processing throughput. The 5 x 5 mm UFQFPN footprint supports compact assemblies but requires careful PCB layout, exposed-pad thermal management, and short analog and high-speed signal routing. Design the PCB with a continuous ground plane, place decoupling capacitors beside every supply pin, and route sensitive analog inputs away from switching nodes and high-current outputs. Verify the complete pin assignment and exposed-pad connection in the manufacturer pinout table before layout because individual peripheral functions depend on package pin multiplexing. Firmware should also account for clock-tree configuration, memory sizing, peripheral initialization order, and appropriate fault handling. This page organizes the key specifications, design constraints, use cases, and supported replacement information for engineers evaluating the STM32G441KBU6. It emphasizes practical selection guidance and PCB implementation considerations in addition to the core memory and processing specifications.

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STM32G441RBT6

STM32G441RBT6 - 170MHz Cortex-M4F 128KB MCU | STMicroelectronics

The STMicroelectronics STM32G441RBT6 is a 32-bit ARM Cortex-M4F microcontroller with a maximum clock frequency of 170 MHz, 128 KB of internal Flash memory, and a 64-lead LQFP package measuring 10 mm by 10 mm. It belongs to the STM32G4 series of high-performance embedded microcontrollers and combines a floating-point processor core with hardware acceleration for math-intensive control applications. A microcontroller is a programmable semiconductor containing a processor core, memory, and peripheral interfaces on one integrated circuit. Within the STM32 family hierarchy, STM32G4 devices combine real-time control performance with advanced analog, timer, communication, and security capabilities. They are used where deterministic control, efficient embedded processing, and compact integration are more important than using a separate processor and discrete analog components. The STM32G441RBT6 provides 128 KB of Flash for firmware and 32-bit architecture for efficient code execution. Its Cortex-M4F core supports floating-point instructions, while the manufacturer positions this device for digital power conversion, motor control, and industrial applications. The 64-LQFP package exposes enough I/O for mixed-signal control designs and is mounted using standard surface-mount assembly methods. This device is suited to control loops that benefit from faster computation and dedicated timer resources. Hardware math acceleration can reduce the processing burden associated with control algorithms, while the STM32G4 platform supports connected industrial equipment, energy conversion, and embedded automation. The operating voltage shown in the product listing is 3.3 V, making the part appropriate for systems designed around a 3.3 V embedded power rail. Typical uses include digital motor controllers, power-converter control boards, industrial sensor nodes, and compact instrumentation. Its 170 MHz Cortex-M4F performance is useful when the control loop must combine sampling, signal processing, communications, and protection functions. For designs requiring a very small footprint, the 10 mm by 10 mm LQFP offers a practical balance between pin access and routability. PCB design should preserve clean analog and digital return paths, place decoupling capacitors close to the supply pins, and route sensitive inputs away from switching nodes. Firmware validation should include the device-specific startup sequence, clock configuration, peripheral initialization, and boundary-condition testing for the selected operating range. The LQFP footprint also simplifies rework compared with fine-pitch packages, although its leads increase board-edge space requirements. This product page combines the verified STM32G441RBT6 configuration, same-family drop-in alternatives, application guidance, and design checks to support component selection, PCB planning, firmware preparation, and sourcing decisions.

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STM32G473CBT6

STM32G473CBT6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics

The STMicroelectronics STM32G473CBT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with floating-point unit (FPU), operating at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, digital power conversion, and industrial applications. The device features 128 KB of Flash memory and 32 KB of SRAM, along with a rich set of analog peripherals including multiple 12-bit ADCs, DACs, comparators, and operational amplifiers. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the brain of countless electronic devices, from automotive engine control units to home appliances and IoT sensors. In the system hierarchy, a microcontroller sits above simple logic ICs but below application processors, offering a balance of performance, power efficiency, and real-time control capabilities. Key features of the STM32G473CBT6 include a 170 MHz ARM Cortex-M4F core with DSP instructions and FPU, 128 KB Flash, 32 KB SRAM, and a comprehensive set of communication interfaces: 3x I2C, 4x USART, 3x SPI, 2x FDCAN, 1x USB 2.0 FS, and 1x SAI. It also integrates advanced analog peripherals: 5x 12-bit ADCs with hardware oversampling, 4x 12-bit DACs, 6x operational amplifiers, 7x comparators, and a 16-bit timer with multiple PWM channels. The device supports a supply voltage range of 1.71V to 3.6V and operates over a temperature range of -40°C to +85°C. The STM32G473CBT6 is built on a high-performance architecture with a nested vectored interrupt controller (NVIC), a memory protection unit (MPU), and a single-cycle multiply-and-accumulate (MAC) unit. It includes a true random number generator (TRNG), a cyclic redundancy check (CRC) unit, and a 128-bit unique device identifier. The device also features a flexible power management with multiple low-power modes (Sleep, Stop, Standby) and a battery backup domain for RTC and 32x32-bit backup registers. Typical applications include field-oriented control (FOC) of brushless DC (BLDC) motors, digital power supplies (buck, boost, flyback), solar inverters, and industrial automation. The high-resolution timers (HRTIM) with 184 ps resolution make it ideal for power conversion topologies requiring precise PWM generation. The multiple ADCs with simultaneous sampling enable accurate current and voltage sensing in motor control loops. When designing with this device, pay attention to the decoupling of the VDDA and VREF+ pins to achieve the specified ADC accuracy. Use the internal voltage regulator with external capacitors as recommended in the datasheet. For motor control applications, ensure proper grounding and use the dedicated PWM outputs with complementary signals and dead-time insertion.

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STM32G473CCU6

STM32G473CCU6 - 170MHz Cortex-M4 MCU, 256KB Flash | STMicroelectronics

STMicroelectronics STM32G473CCU6 is a 32-bit Arm Cortex-M4 microcontroller running up to 170 MHz with 256 KB of embedded Flash, 128 KB of SRAM and a hardware math accelerator, packaged in a 48-pin UFQFPN (7x7 mm) surface-mount package. It delivers 213 DMIPS of compute performance in a small 7x7 mm footprint. A microcontroller is a single integrated circuit that consolidates a CPU core, memory and peripherals into one component. The STM32G473 belongs to the STM32G4 series of 32-bit RISC microcontrollers, which sits in the wider hierarchy of embedded processor > microcontroller > Arm Cortex-M4 core > STM32G4 family of mixed-signal MCUs designed for power conversion, motor control and precision analog measurement. Key features include a 170 MHz Cortex-M4 core with single-precision FPU and DSP instructions, a 256 KB Flash / 128 KB SRAM memory complement, an integrated Filter Math Accelerator (FMAC) for high-speed digital filtering, and a rich analog block with multiple high-resolution ADCs, comparators, DACs and operational amplifiers. The device also integrates a hardware cryptographic accelerator, a 32-bit RTC, and advanced timers suited to motor and digital power control. Architecturally the STM32G4 series targets control applications where analog precision and DSP throughput meet. The FMAC offloads FIR/IIR filter computation from the CPU, while the high-resolution ADC front end removes the need for external analog-to-digital converters in many signal-chain designs. Peripherals such as HRTIM, advanced-control timers, USB-C PD physical layer support and multiple timers let one device replace several discrete components on a control board. Typical applications include digital power supply control loops, e-bike and servo motor drives, industrial condition-monitoring gateways, precision RTD and strain-gauge front ends, and compact fieldbus or PLC peripheral modules where board area is constrained by the 7x7 mm package. A key design consideration is that analog layout matters as much as firmware: place the MCU decoupling capacitors and the analog ground connection on the same side of the board as the signal sources, and route the high-speed and sensitive analog nets away from switching nodes and inductor currents. This page consolidates family-level memory and analog specifications, drop-in alternatives in the identical 48-pin UFQFPN footprint, comparison data against neighbouring STM32G4 devices, and practical layout notes that go beyond the manufacturer datasheet.

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STM32G473CET3

STM32G473CET3 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473CET3 is a 32-bit Arm Cortex-M4 microcontroller with FPU, a maximum operating frequency of 170 MHz, 512 KB of Flash memory, and 128 KB of SRAM in a 48-LQFP 7x7 mm package. It supports 1.8 V, 2.5 V, and 3.3 V operation and includes a math accelerator and rich analog resources. A microcontroller is a programmable system-on-chip that combines a processor core, memory, and peripherals in one integrated circuit. The STM32G4 family belongs to the embedded microcontroller hierarchy used for real-time control, embedded processing, and connected industrial equipment. The STM32G473CET3 combines Arm Cortex-M4 software compatibility with dedicated analog and math-acceleration hardware, making it suitable for systems that require deterministic control and substantial peripheral integration. The principal memory resources are 512 KB of Flash organized as 512K x 8 bytes and 128 KB of SRAM. The Cortex-M4 core operates at up to 170 MHz and delivers up to 213 DMIPS. A hardware floating-point unit supports efficient single-precision arithmetic, while the math accelerator is intended to accelerate computationally intensive control and signal-processing operations without requiring every calculation to run exclusively on the CPU. The STM32G4 series is positioned for demanding embedded applications combining high-speed control, analog measurement, and communication. The STM32G473CET3 is available in a 48-LQFP 7x7 mm tray package, providing a conventional leaded surface-mount format with accessible PCB routing and inspection. Its stated operating-voltage options of 1.8 V, 2.5 V, and 3.3 V support integration with multiple low-voltage digital and analog systems. Typical applications include industrial motor and power conversion, programmable logic and factory automation, sensor acquisition, communications equipment, and compact embedded control modules. The 170 MHz core provides performance headroom for concurrent control tasks, while the 512 KB Flash capacity can accommodate application firmware, configuration data, and protocol stacks. The dedicated math accelerator can be particularly useful in control loops that repeatedly process sampled analog values. Designers should confirm the complete pin assignment, peripheral configuration, clock plan, and analog limits against the STMicroelectronics manufacturer datasheet before layout release. The 48-LQFP footprint offers clear routing visibility, but power and signal integrity still depend on correct decoupling, grounding, controlled clock routing, and separation between sensitive analog inputs and high-current switching nodes. This page organizes the STM32G473CET3 specifications, application guidance, verified source links, and pin-compatible replacement assessment. It also distinguishes confirmed device facts from fields requiring a final check against the manufacturer datasheet, helping engineers shorten component selection and hardware-review time.

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STM32G473CET6

STM32G473CET6 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473CET6 is a 32-bit Arm Cortex-M4 microcontroller with a maximum clock frequency of 170 MHz, 512 KB of Flash memory, and a 48-LQFP package measuring 7 x 7 mm. The device combines a Cortex-M4F processor, high-resolution analog resources, math acceleration, and extensive embedded peripherals for compact industrial control designs. A microcontroller is a programmable integrated circuit containing a processor core, nonvolatile program memory, volatile data memory, and peripherals such as timers, communication interfaces, and analog converters. In the STM32 hierarchy, the STM32G4 series belongs to the Arm Cortex-M4 MCU class and targets applications requiring more processing performance and analog capability than entry-level Cortex-M devices. The STM32G473CET6 reaches 170 MHz and provides 512 KB of Flash for firmware storage. Its Cortex-M4 core includes floating-point capability, while the advertised math accelerator supports computationally intensive control and signal-processing workloads. The 48-LQFP 7 x 7 mm package provides a fine-pitch surface-mount option for designs that need many I/O pins without moving to a very large leadless package. The STM32G4 family is positioned for power electronics, industrial automation, motor control, and embedded analog systems. At 170 MHz, the processor provides substantially greater application-processing headroom than many general-purpose Cortex-M microcontrollers operating below 100 MHz. The combination of 512 KB Flash, math acceleration, and high-performance analog features allows control algorithms, communications protocols, and supervisory logic to coexist in one device. Typical uses include digital power conversion, motor-control modules, factory automation controllers, data-acquisition systems, communications equipment, and compact embedded control products. The 48-pin package is particularly useful where a board design needs both analog measurement and digital control interfaces while retaining a conventional leaded SMT footprint. Design planning should begin with the manufacturer's pinout, electrical characteristics, and package drawings because the supplied search data does not expose the complete pin names or absolute timing limits. Designers should also validate peripheral assignments, analog reference requirements, clock-tree configuration, decoupling requirements, and PCB clearances against the official STM32G473CE documentation before release to production. This page combines the verified 170 MHz, 512 KB Flash, Cortex-M4, and LQFP-48 attributes with package-conscious alternatives, procurement guidance, comparison parameters, and practical application analysis. It distinguishes verified product facts from parameters that require confirmation from the complete manufacturer documentation.

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STM32G473CEU6

STM32G473CEU6 - 170MHz Cortex-M4 512KB MCU | STMicroelectronics

STMicroelectronics STM32G473CEU6 is a 32-bit Arm Cortex-M4 RISC microcontroller rated at 170 MHz, with 512 KB of Flash memory and a 48-pin UFQFPN package measuring 7 mm by 7 mm. The device combines a high-performance Cortex-M4 processor with the advanced analog and math-acceleration capabilities identified for the STM32G4 mainstream MCU family, making it suitable for demanding industrial control, motor-drive, power-conversion, and embedded signal-processing systems. An Arm Cortex-M4 microcontroller is a 32-bit reduced-instruction-computing core within the broader embedded processor and microcontroller hierarchy. It combines interrupt-driven control, compact embedded software, and integrated peripherals on one package. Compared with a general-purpose processor, an MCU is optimized for responsive real-time control, while the STM32G4 series adds enhanced analog resources and math-acceleration hardware for control-oriented designs. The STM32G473CEU6 combines three headline attributes: a maximum clock frequency of 170 MHz, 512 KB of programmable Flash, and a 48-UFQFPN package with a 7 mm by 7 mm footprint. The 512 KB Flash provides substantially more room for application code, libraries, configuration data, and update logic than the entry-level variants of the family. Its compact UFQFPN package also supports space-constrained control boards while exposing a high pin count for analog, communications, and control connections. The STM32G473xB, STM32G473xC, and STM32G473xE devices use the high-performance 32-bit Arm Cortex-M4 RISC core, according to the STMicroelectronics product page. Distributor records additionally identify the STM32G473CEU6 as a mainstream MCU with math-acceleration and high-analog features. These characteristics distinguish it from simpler Cortex-M0 or Cortex-M3 devices when a design benefits from faster numeric execution, more Flash storage, and a broader collection of analog peripherals. Typical applications include industrial motor controllers, digital power supplies, industrial automation modules, sensor-conditioning systems, communications equipment, and embedded measurement platforms. The combination of 170 MHz processing, 512 KB Flash, math acceleration, and enhanced analog capability is particularly useful where control algorithms must run alongside high-speed sampling, monitoring, and communications. Engineers should still verify individual peripheral assignments, analog performance, and pin multiplexing against the official STM32G473CE datasheet. For PCB implementation, use the manufacturer's 48-pin UFQFPN land pattern, exposed-pad thermal design, and recommended decoupling arrangement. Validate the PCB stack-up and thermal path before production because the 7 mm by 7 mm package concentrates heat around its exposed pad. Firmware, peripheral configuration, clock planning, and pin assignment should follow STMicroelectronics documentation for the STM32G473xB/xC/xE family. This page consolidates verified distributor specifications, the official product-page information, strict same-package alternatives, and practical selection guidance. It distinguishes documented facts from parameters that still require confirmation, providing a more useful engineering reference than a distributor title or generic cross-reference listing alone.

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STM32G473QBT6

STM32G473QBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473QBT6 is a 32-bit Arm Cortex-M4 microcontroller rated up to 170 MHz, with 128 KB of Flash memory and 128 KB of SRAM in a 128-LQFP 14 x 14 mm package. It also includes a math accelerator capable of supporting up to 213 DMIPS, providing dedicated performance for control-intensive embedded workloads while retaining the standard Cortex-M4 instruction set and ecosystem. A microcontroller is a programmable semiconductor that integrates a processor core, memory, analog and digital peripherals, and interface controllers on one device. Within the product hierarchy, the STM32G473QBT6 belongs to the STM32G4 family of 32-bit Arm Cortex-M4 microcontrollers, combining embedded processing with high-resolution analog conversion, communication interfaces, and control peripherals. It is designed for systems that require deterministic real-time performance without a separate digital signal processor. The device provides 128 KB of Flash for firmware and 128 KB of SRAM for working memory. Its Cortex-M4 core operates up to 170 MHz, while the integrated math accelerator is rated at up to 213 DMIPS. These resources suit motor-control algorithms, digital power conversion, industrial automation, and communication-enabled embedded products. The manufacturer identifies the STM32G4 family as offering rich analog resources and a math accelerator for high-performance embedded control. Operating voltage options identified for this ordering configuration include 1.8 V, 2.5 V, and 3.3 V. The 128-LQFP package exposes 128 pins and measures 14 x 14 mm, providing ample connection density for analog inputs, timers, serial interfaces, debug functions, and general-purpose I/O. Its 32-bit architecture supports efficient control-loop execution and common embedded software-development workflows. Typical uses include digital power supplies, motor drives, sensor acquisition systems, industrial controllers, and compact industrial communications equipment. The combination of 170 MHz processing, math acceleration, SRAM, and analog peripherals can reduce the need for separate components in signal-conditioning and real-time control designs. The device is particularly attractive when a Cortex-M4 software ecosystem and deterministic embedded control are priorities. Designers should allocate decoupling close to the supply pins, verify every board-level signal against the STM32G473xB pin description table, and confirm the selected startup, clock, and debug configuration in the manufacturer reference documentation. Firmware changes should be validated for timing margin, peripheral mapping, and analog calibration before production release, especially in safety-critical or timing-sensitive control systems. This product page consolidates the confirmed core, memory, package, operating-voltage, analog, and math-accelerator characteristics with application guidance, engineering design notes, and same-family drop-in alternatives. It supports faster device selection by separating confirmed manufacturer specifications from parameters that require project-specific verification.

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STM32G473QCT6

STM32G473QCT6 - 170MHz Cortex-M4 MCU 256KB Flash LQFP-128 | ST

The STMicroelectronics STM32G473QCT6 is a mainstream 32-bit Arm Cortex-M4 microcontroller with FPU, running at up to 170 MHz and delivering 213 DMIPS, packaged in a 128-pin LQFP (14x14 mm). It integrates 256 KB of single-bank Flash, 128 KB of SRAM, and the rich analog + math accelerator (Cordic + FMAC) feature set of the STM32G4 family. The STM32G473 line targets high-performance motor control, digital power, and lighting applications. What is a Cortex-M4 MCU? An Arm Cortex-M4 microcontroller is a 32-bit RISC processor core designed for embedded systems, featuring single-precision floating-point hardware, a DSP instruction set, and deterministic interrupt handling. Within the hierarchy, a Cortex-M4 sits under Cortex-M MCUs -> ARM MCUs -> microcontrollers -> embedded processors -> integrated circuits. The Cortex-M4 is widely used in motor control, power conversion, audio processing, and industrial automation where deterministic real-time response plus signal-processing throughput are required. Key features include: 170 MHz / 213 DMIPS core performance, 256 KB Flash, 128 KB SRAM, 5x 12-bit 4 MSPS ADCs (up to 36 channels), 4x 12-bit DACs, 7x ultra-fast comparators (16 ns), 4x operational amplifiers, math accelerator (Cordic + FMAC), up to 4x FDCAN, USB-C Power Delivery, and 128 KB of SRAM with hardware parity check. The 128-LQFP package exposes 107 GPIO and supports up to 17 timers including 5x 16-bit and 2x 32-bit timers plus 2x 16-bit low-power timers. Architecturally, the STM32G473 uses a Harvard bus with separate I-Code/D-Code buses and an AHB/APB bus matrix. The integrated op-amps, comparators, and 4 MSPS ADCs enable single-chip signal-chain designs that previously required external analog ICs. The CORDIC accelerator computes trigonometric functions in hardware without CPU cycles, and the FMAC unit performs FIR/IIR filtering for digital power control loops. Typical applications include field-oriented motor control (FOC) for industrial drives and e-bikes, digital switched-mode power supplies (SMPS) with peak current mode control, LED lighting drivers, photovoltaic micro-inverters, wireless charging transmitters, and USB-C PD sink/source controllers. The 128-LQFP form factor is common in industrial control boards where maximum GPIO count is needed. When designing with this part, ensure that the 5 ADCs are not all sampling simultaneously above 4 MSPS to avoid supply noise; stagger conversions by phase. For SMPS applications, dedicate one op-amp to current sensing and one high-speed comparator to the PWM protection path to achieve sub-200 ns cycle-by-cycle current limiting. This page synthesizes distributor pricing, drop-in alternatives within the STM32G4 family, and practical design notes that complement the manufacturer datasheet.

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STM32G473RBT6

STM32G473RBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STMicroelectronics STM32G473RBT6 is a 32-bit Arm Cortex-M4 microcontroller operating at up to 170 MHz, with 128 KB of Flash memory and a 64-pin LQFP package measuring 10 mm by 10 mm. It also provides a math accelerator and a high level of analog integration for compact embedded-control and mixed-signal designs. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one device. Within the embedded-computing hierarchy, the STM32G473RBT6 is an Arm Cortex-M4 MCU, a 32-bit RISC controller, and a member of STMicroelectronics' STM32G4 mainstream series. It is intended for applications in which real-time control, analog measurement, communications, and general-purpose embedded processing must share one device. The verified device features include a maximum clock frequency of 170 MHz, 128 KB of Flash, and an LQFP-64 package. STMicroelectronics describes the G473 family as having high analog integration, and distributor records also identify the math accelerator. The Arrow listing specifies operation with 1.8 V, 2.5 V, and 3.3 V supply options. Exact RAM capacity, ADC characteristics, timer counts, communication peripherals, and electrical limits require confirmation in the manufacturer datasheet. The Cortex-M4 architecture supports efficient interrupt-driven control while the math accelerator can reduce the processing burden of suitable arithmetic-intensive routines. High analog integration can simplify designs that require both control logic and analog interfaces, although the exact converter resolution, sampling rate, bandwidth, and internal references must be checked against the selected STM32G473 device variant. Firmware configuration, peripheral assignment, and board-level qualification remain product-specific. Typical uses include industrial motor and power-control systems, precision data-acquisition equipment, communications equipment, and compact embedded automation controllers. The 10 mm by 10 mm LQFP-64 package is also useful for prototypes and designs that prefer a leaded, inspectable package over a very small ball-grid-array option. The available evidence does not establish the complete peripheral mix or package-specific thermal limits. Designers should verify the 64-pin pinout, exposed programming and debug functions, supply sequencing, decoupling requirements, and analog input ranges before layout. Firmware migration from another STM32 family should be assessed at the register, peripheral, and driver level rather than inferred solely from the Cortex-M4 designation. This page distinguishes verified facts from parameters that still require datasheet confirmation. This page consolidates manufacturer and distributor evidence, procurement data, comparison guidance, and practical design cautions. It also identifies where package, electrical, and alternative-part claims require independent verification rather than treating generic MCU compatibility as proof of a drop-in replacement.

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STM32G473RCT6

STM32G473RCT6 - 170MHz ARM Cortex-M4F MCU | STMicroelectronics

The STMicroelectronics STM32G473RCT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with floating-point unit (FPU), operating at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, industrial, and digital power applications. The device integrates a rich set of analog peripherals, including multiple 12-bit DACs, high-speed comparators, and operational amplifiers, along with advanced timers and communication interfaces. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (RAM and flash), and programmable input/output peripherals on a single chip. In the system hierarchy, a microcontroller is a type of embedded processor, which falls under the broader category of integrated circuits. The STM32G473RCT6 is a mid-range MCU in the STM32G4 family, positioned between the value-line STM32G0 and the high-performance STM32H7 series, offering a balance of performance, analog integration, and power efficiency. Key features of the STM32G473RCT6 include a 256 KB flash memory and 128 KB SRAM, a 170 MHz CPU with DSP instructions and FPU, and a comprehensive set of peripherals: 4x 12-bit DACs, 5x 12-bit ADCs with hardware oversampling, 6x ultra-fast comparators, 4x operational amplifiers, and 2x advanced motor-control timers. It also supports a wide range of communication interfaces including SPI, I2C, USART, CAN FD, and USB. The device operates from 1.71V to 3.6V and is available in a 64-pin LQFP package. The STM32G473RCT6 leverages ST's advanced 90nm process technology, enabling high performance with low power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for real-time control loops in motor control and digital power conversion. The device also includes a memory protection unit (MPU), a cyclic redundancy check (CRC) unit, and a true random number generator (TRNG) for enhanced security and reliability. Typical applications include field-oriented control (FOC) of brushless DC (BLDC) motors, digital power supplies (buck, boost, and flyback converters), solar inverters, and industrial automation. The rich analog peripherals allow for single-chip solutions that reduce BOM cost and board space. For example, in a motor control application, the integrated op-amps and comparators can directly interface with current-sensing resistors, eliminating the need for external signal conditioning. When designing with this device, pay attention to the power supply decoupling: place a 100nF capacitor close to each VDD pin and a 4.7uF capacitor at the main power input. The VDDA pin must be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1uF capacitor to ensure ADC accuracy. Also, configure the clock system properly using the internal HSI16 oscillator or an external crystal for precise timing.

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STM32G473RET6

STM32G473RET6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics

The STM32G473RET6 is a high-performance 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M4F core with floating-point unit (FPU) running at up to 170 MHz. It is part of the STM32G4 series, designed for advanced motor control, digital power conversion, and industrial applications. The device offers 512 KB of flash memory and 128 KB of SRAM, along with a rich set of analog and digital peripherals. 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, and programmable input/output peripherals on a single chip. In the system hierarchy, a microcontroller is a type of embedded processor, which falls under the broader category of integrated circuits (ICs). The STM32G473RET6 is a high-end MCU within the STM32G4 family, which is optimized for mixed-signal control applications. Key features of the STM32G473RET6 include a 170 MHz ARM Cortex-M4F core with DSP instructions and FPU, 512 KB flash, 128 KB SRAM, and a comprehensive set of peripherals: 4x fast 12-bit ADCs (up to 5 Msps), 4x 12-bit DACs, 6x ultra-fast comparators, 3x operational amplifiers, and advanced timers including high-resolution timers (HRTIM) for precise PWM generation. It also supports multiple communication interfaces: 3x I2C, 4x USART, 3x SPI, 2x FDCAN, 1x USB 2.0 FS, and 1x SAI. The device operates from 1.71V to 3.6V supply and is available in the LQFP-64 package. The STM32G473RET6 leverages ST's advanced 90nm process technology, providing a balance of performance and power efficiency. The Cortex-M4F core with FPU accelerates mathematical computations, making it ideal for real-time control loops. The HRTIM module enables high-resolution PWM generation with sub-nanosecond accuracy, essential for digital power conversion and motor control. The device also includes a memory protection unit (MPU), CRC calculation unit, and a true random number generator (TRNG) for enhanced security. Typical applications include field-oriented control (FOC) of brushless DC motors, digital power supplies (buck, boost, flyback), solar inverters, and industrial automation. The rich analog front-end and high-resolution timers make it particularly suited for power conversion and motor control applications where precise timing and accurate analog measurements are critical. When designing with the STM32G473RET6, ensure proper decoupling of the VDD pins with 100nF capacitors placed close to the pins, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For high-resolution timer applications, use a stable clock source such as the HSE crystal or the PLL to achieve the required timing accuracy.

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STM32G473VBH3

STM32G473VBH3 - 170MHz Cortex-M4 MCU | STMicroelectronics

The STMicroelectronics STM32G473VBH3 is a 32-bit Arm Cortex-M4 microcontroller operating up to 170 MHz, with 128 KB of Flash memory and an integrated math accelerator, housed in a 100-TFBGA package measuring 8 mm by 8 mm. The device is designed for embedded applications requiring high-performance control processing, analog peripherals, and compact package integration. A microcontroller is a programmable semiconductor system that combines a processor core, memory, peripherals, and interfaces on one integrated circuit. In the product hierarchy, the STM32G473VBH3 is a microcontroller based on the Arm Cortex-M4 32-bit RISC core. Its flash memory stores firmware, while integrated peripherals support communication, timing, analog measurement, control, and debug functions. The verified product information identifies a 170 MHz operating frequency, 128 KB Flash memory, and a 100-TFBGA package. The STM32G473 device family is also identified by STMicroelectronics as using the high-performance Arm Cortex-M4 core. Mouser describes the part as an Arm Cortex-M4 MCU with math acceleration and high analog capability, while DigiKey identifies the same 170 MHz frequency and 128 KB Flash configuration. The STM32G473VBH3 is positioned for compact embedded control systems where processing performance, analog functions, and a high pin-count fine-pitch package are important. Its 8 mm by 8 mm TFBGA package can support dense PCB layouts, although ball pitch, escape routing, assembly capability, and thermal performance must be checked during hardware design. Exact peripheral availability, pin functions, electrical limits, and operating-temperature details require confirmation from the official STM32G473VB documentation. Typical application areas include industrial automation, motor and motion control, power conversion, digital power management, instrumentation, communications equipment, and embedded measurement systems. The math accelerator can assist control-oriented software that benefits from efficient mathematical operations, while the analog feature set is relevant to systems that combine digital computation with signal conditioning or measurement. The principal design consideration is package integration. A 100-TFBGA is not a through-hole package and requires a compatible PCB footprint, assembly process, inspection strategy, and adequate thermal design. Before release, engineers should verify every ball assignment, power rail, decoupling requirement, clock configuration, peripheral pin mux, and programming interface against the official STMicroelectronics documentation. This product data consolidates verified distributor and manufacturer information for STM32G473VBH3, including core architecture, frequency, memory, package, sourcing references, and engineering application guidance. It is intended to support initial component selection while leaving detailed engineering decisions anchored to the manufacturer datasheet and reference manual.

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STM32G473VBT6

STM32G473VBT6 - 170MHz 128KB Cortex-M4 | STMicroelectronics

The STMicroelectronics STM32G473VBT6 is a 32-bit Arm Cortex-M4 microcontroller operating at up to 170 MHz, with 128 KB of Flash memory and high analog integration, housed in a 100-LQFP 14 x 14 mm package. It is designed for embedded applications that combine real-time control, math acceleration, and substantial analog functionality on a single mixed-signal microcontroller. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The STM32G4 family combines the Arm Cortex-M4 processor architecture with embedded control peripherals, analog conversion resources, and dedicated hardware acceleration. Within the broader hierarchy, the STM32G473VBT6 is a 32-bit microcontroller, a member of the STM32G4 series, and a device intended for industrial, instrumentation, and embedded-control applications. Verified product information identifies three headline capabilities: a maximum clock frequency of 170 MHz, 128 KB of Flash memory, and a math accelerator. The part also provides high analog-level integration and operates across 1.8 V, 2.5 V, and 3.3 V supply configurations identified in the verified listing data. These characteristics make it suitable for designs requiring faster control-loop execution than many general-purpose Cortex-M microcontrollers while retaining the simplicity of a single-chip embedded architecture. The Arm Cortex-M4 core provides 32-bit instruction processing, while the dedicated math accelerator offloads suitable mathematical operations from the main processor. This division can improve execution efficiency in applications involving digital filters, transforms, and other arithmetic-intensive signal-processing tasks. The 128 KB embedded Flash provides fixed-program storage without requiring an external memory device for typical firmware and configuration data. Typical uses include industrial motor and power-system control, precision measurement equipment, data-acquisition systems, communications controllers, and mixed-signal embedded products. The combination of 170 MHz processing, math acceleration, and high analog integration can simplify a design by consolidating control and analog functions rather than distributing them across multiple discrete components. Engineering design should account for the 100-LQFP footprint, verify the exact peripheral assignment against the manufacturer datasheet, and use the manufacturer-recommended decoupling and clock arrangements. Board layout must also provide adequate thermal and signal-return paths for the high-pin-count mixed-signal device. This product page consolidates verified distributor availability, the 6.4182 USD listed unit price as of 2026-10-29, same-family drop-in alternatives, and practical design guidance. It also distinguishes the STM32G473VBT6 from alternatives that change Flash capacity, analog capability, or temperature grade.

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STM32G473VCT6

STM32G473VCT6 - 170MHz Cortex-M4 MCU, 256KB Flash | ST

The STMicroelectronics STM32G473VCT6 is a 32-bit Arm Cortex-M4 microcontroller with FPU operating up to 170 MHz, 256 KB of Flash memory, 128 KB of SRAM, and a 100-LQFP 14 x 14 mm package. It combines a high-performance MCU+FPU core with rich analog resources and a math accelerator for demanding industrial, instrumentation, motor-control, and embedded-control designs. A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and interface logic into one component. The STM32G4 family belongs to the embedded-microcontroller hierarchy and combines real-time control, communications, data acquisition, and programmable logic in a compact surface-mount package. Verified device features include an Arm Cortex-M4 core, up to 170 MHz operation, 256 KB of Flash, 128 KB of SRAM, a math accelerator, and high analog capability. The 100-LQFP package supports a conventional leaded PCB footprint rather than a fine-pitch BGA, making it accessible for prototypes, automated assembly, and repair. The family datasheet identifies up to 213 DMIPS and rich analog resources, while exact peripheral details should be checked against the manufacturer documentation for the selected ordering code. The STM32G4 architecture is useful when a design needs more control performance and analog capability than a basic entry-level MCU. Its 170 MHz operating target supports responsive control loops, communication handling, and signal-processing workloads, while the Cortex-M4 FPU accelerates floating-point calculations. The 256 KB Flash capacity provides room for application firmware, and the 128 KB SRAM supports working memory and data buffers. Typical applications include digital power conversion, motor control, industrial sensor interfaces, measurement equipment, communications gateways, and consumer or embedded products requiring high-resolution analog performance. The combination of Cortex-M4 processing, math acceleration, and analog resources helps reduce the number of discrete components in a design. Designers should verify pin multiplexing, power-supply requirements, clock configuration, analog input limits, and peripheral availability in the STM32G473xB/xC/xE datasheet before layout. Keep analog and digital return paths controlled, provide the required decoupling, and confirm the exposed thermal and package constraints against the manufacturer’s PCB guidance. This page consolidates verified distributor information, manufacturer documentation, and design-oriented guidance for engineers evaluating the STM32G473VCT6. It distinguishes documented facts from parameters that require additional package- or variant-specific confirmation, helping procurement and engineering teams make a more reliable decision.

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STM32G473VET3

STM32G473VET3 - 170MHz Cortex-M4 MCU 512KB LQFP-100 | STMicroelectronics

The STMicroelectronics STM32G473VET3 is a mainstream Arm Cortex-M4 microcontroller with DSP and FPU, operating at up to 170 MHz and delivering 213 DMIPS, packaged in a 100-pin LQFP (14x14 mm) and offering 512 KB of Flash alongside 128 KB of SRAM. The device integrates rich analog peripherals, a hardware math accelerator (Cordic and FMAC), five 12-bit ADCs with up to 36 channels, four DAC channels, and operational amplifiers. The 1.8V/2.5V/3.3V supply range combined with low-power Run/Stop/Standby/Shutdown modes makes it well suited to mixed-signal industrial and digital-power applications. A Cortex-M4 microcontroller is a 32-bit RISC processor core designed by Arm that includes a single-precision floating-point unit (FPU) and DSP extensions. The Cortex-M4 sits within the broader Cortex-M family and feeds into the wider STM32 portfolio, which scales from ultra-low-power Cortex-M0+ devices up to Cortex-M7 high-performance parts. Compared with Cortex-M3 parts, the M4 adds DSP SIMD instructions, single-cycle MAC, and an optional FPU, enabling higher-throughput signal processing and mathematical acceleration at modest clock speeds. Key features of the STM32G473VET3 include up to 512 KB single-bank Flash with ECC and 128 KB SRAM with parity, a 12-channel DMA, two 16-bit advanced timers plus a 32-bit timer, four 16-bit general-purpose timers, two HRTIM masters, multiple USART/UART, SPI, I2C, FDCAN, USB 2.0 FS, and a real-time clock. The integrated Cordic accelerator (rotation, sine/cosine) and FMAC (filter math) offload DSP tasks, while the comparators, op-amps, and 12-bit DACs allow direct analog control loops on-chip. The 100-pin LQFP package exposes the full peripheral set, including the external memory bus and additional GPIO. Typical applications span industrial motor drives (FOC for PMSM/BLDC), digital SMPS and power conversion, lighting controls, solar micro-inverters, factory automation, and sensor-rich IoT nodes. On-board comparators, op-amps, and high-resolution timers let the part close a current-mode control loop without external analog components, while the FPU and Cordic enable sensor fusion and field-oriented control without taxing the CPU. The LQFP-100 footprint also suits hand-prototyping and field-repair scenarios where rework is more practical than BGA. When designing with this device, ensure the 1.8V/2.5V/3.3V rails are well-decoupled with 100nF + 4.7uF ceramic capacitors near each VDDA/VSS pair, and route the HSE 8-25 MHz crystal traces symmetrically to minimise jitter. Configure the math accelerator and DMA priorities in the CubeMX configuration to avoid conflicts, and consult the reference manual for Flash Option Byte programming to enable the desired read/write protection at production time. This page synthesizes distributor stock and pricing data, drop-in compatible LQFP-100 STM32G4 family alternatives, and practical design notes drawn from the reference manual that are not aggregated on any single distributor page.

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STM32G473VET6

STM32G473VET6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STMicroelectronics STM32G473VET6 is a 32-bit Arm Cortex-M4 microcontroller with a 170 MHz maximum clock, 512 KB of flash memory, and a 100-pin LQFP package measuring 14 x 14 mm. The device combines a Cortex-M4 processor with high-performance analog resources, including 12-bit ADCs, operational amplifiers, comparators, DAC channels, and math-accelerator hardware. These characteristics position it as a mixed-signal embedded controller for industrial control, motor drive, power conversion, data acquisition, and connected equipment. A microcontroller is a programmable integrated circuit containing a processor core, memory, peripherals, and communication interfaces. It belongs to the embedded-controller hierarchy alongside general-purpose processors, digital signal controllers, and application-specific controllers. The STM32G4 series combines real-time Cortex-M4 execution with unusually strong analog peripherals, allowing one device to supervise sensors, control actuators, and execute control algorithms without requiring several separate analog and digital components. The STM32G473VET6 operates at up to 170 MHz and contains 512 KB of flash, while its high analog feature set supports signal-chain designs that require greater precision than a basic entry-level microcontroller. The 12-bit ADC and DAC resolutions provide 4096 discrete levels across their respective conversion ranges. A math accelerator improves execution of demanding digital operations, while the operating-voltage range of 1.71 V to 3.6 V supports low-voltage embedded systems. Its 100-pin LQFP package provides substantial external connectivity compared with smaller microcontroller packages. The pin count allows integration of multiple analog inputs, communication interfaces, timers, and general-purpose I/O without requiring a fine-pitch BGA assembly. This is useful in prototypes and moderate-volume industrial products where traceability, inspection, and rework are important. The package is surface-mount technology and is identified by the verified listing as LQFP-100 in a 14 x 14 mm outline. Typical applications include digital power supplies, motor-control systems, industrial sensor platforms, programmable logic controllers, measurement instruments, and compact factory automation equipment. In each case, the device can combine control logic with analog measurement or output functions, reducing system partitioning when its selected peripherals match the design requirements. Design planning should begin with the complete STMicroelectronics pinout and electrical data before PCB layout. Decoupling, analog grounding, ADC input conditioning, high-current switching outputs, and exposed thermal behavior must be evaluated together. Firmware, peripheral configuration, clock planning, and unused-pin treatment should also be reviewed rather than treating the LQFP outline alone as sufficient evidence of compatibility. This product record combines verified distributor specifications, manufacturer information, same-family replacement analysis, and practical engineering guidance. It highlights verified distinctions and identifies unverified parameters explicitly, helping engineers compare procurement options without mistaking package similarity for guaranteed application equivalence.

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STM32G474CBT3

STM32G474CBT3 - 170MHz Cortex-M4 MCU, 128KB Flash, LQFP-48 | STMicroelectronics

The STMicroelectronics STM32G474CBT3 is a mainstream Arm Cortex-M4F microcontroller with FPU, delivering 170 MHz / 213 DMIPS performance and integrating 128 KB of Flash plus 128 KB of SRAM in a 48-pin LQFP (7x7 mm) package. The G4 series adds a hardware math accelerator (CORDIC + FMAC), five 12-bit ADCs (up to 5 Msps) plus four 12-bit DACs, seven comparators, six operational amplifiers, and a 184 ps 12-channel high-resolution timer for digital power and motor control. An ARM Cortex-M4 microcontroller is a 32-bit RISC processor core licensed by Arm Holdings that combines Thumb-2 instruction set efficiency with optional single-precision floating-point unit (FPU), DSP extensions, and a deterministic nested vectored interrupt controller. The Cortex-M4 sits in the hierarchy ARM Cortex-M family -> ARM Cortex-M processor -> 32-bit MCU -> microcontroller, and the STM32G4 family extends this lineage with high analog integration that bridges the gap between digital MCUs and dedicated mixed-signal DSPs. Key features of the STM32G474CBT3 include: 170 MHz Cortex-M4F with FPU + DSP instructions; 128 KB Flash with ECC and 128 KB SRAM (including 16 KB SRAM with parity); five 12-bit 5Msps ADCs totaling 60 Msps aggregate throughput; four 12-bit DAC channels (12 MHz sample rate); seven comparators with rail-to-rail inputs; six op-amps with programmable gain up to 16x; HRTIM 184 ps resolution with 12 channels and 10 PWM outputs; and a math accelerator (CORDIC + FMAC) for trigonometric and filtering algorithms offloaded from the CPU. The architecture uses ST's 90 nm embedded Flash process with dual-bank Flash supporting read-while-write, four DMA controllers with 16 streams, and communication peripherals including three FDCAN, three SPI (50 Mbit/s), three I2C fast-mode plus, four USART/UART, one USB 2.0 FS device/host, and one SDMMC interface. The device supports operating voltages from 1.71 V to 3.6 V, has four low-power modes (Sleep, Stop0/1/2, Standby, Shutdown), and integrates a 4 KB backup SRAM with optional battery domain. Typical applications include digital switched-mode power supplies (SMPS), field-oriented control (FOC) motor drives, solar micro-inverters, LED lighting controllers, wireless charging transmitters, audio amplifiers and effects processors, industrial PLCs, and USB Type-C power delivery controllers. The integrated op-amps and comparators allow direct current sensing without external analog front-end components, reducing BOM cost in motor and power designs. When designing with the STM32G474CBT3, ensure VDD is decoupled with 100 nF + 4.7 uF close to each supply pin, and respect the absolute maximum of 4.0 V on VDD. For high-dt/di motor drive outputs, place the MCU at least 10 mm away from switching node traces to avoid coupling into the analog inputs. Use STM32CubeMX and the HAL/LL driver library for firmware scaffolding, and the STM32CubeIDE for debug and build. This page synthesizes real-time distributor stock and pricing, the official ST datasheet, drop-in same-package alternatives from STMicroelectronics and competitor brands, and practical design notes that go beyond the datasheet application-curcuit section.

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STM32G474CBT6

STM32G474CBT6 - 170MHz 128KB Cortex-M4F MCU | STMicroelectronics

The STMicroelectronics STM32G474CBT6 is a 32-bit Arm Cortex-M4F microcontroller with a 170 MHz operating frequency, 128 KB of flash memory, and a 48-LQFP package measuring 7 mm by 7 mm. The microcontroller combines a high-performance Cortex-M4F core with floating-point capability and a 32-bit memory architecture for demanding embedded control, industrial automation, motor-control, and connected equipment designs. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The Cortex-M4F core uses the Arm Thumb instruction set and includes single-precision floating-point hardware. Within the embedded-device hierarchy, the STM32G4 family provides more processing capability than general-purpose Cortex-M0 or Cortex-M0+ devices while retaining the compact, energy-efficient architecture commonly used for real-time control systems. The STM32G474CBT6 provides 128 KB of flash memory for firmware and 128 KB of RAM for working data. Its 170 MHz maximum operating frequency supports faster control-loop execution, diagnostic processing, communications handling, and concurrent peripheral activity. The Arm Cortex-M4F processor is specified at up to 213 DMIPS, making the device suitable for applications that combine real-time sampling with advanced digital signal processing. The STM32G4 family architecture is designed for high-resolution analog control and general-purpose embedded processing. Its integrated peripherals allow a design to place sensing, control, communications, and protection functions around one microcontroller rather than requiring separate discrete devices. This integration can reduce component count and simplify firmware organization while preserving deterministic peripheral operation. Typical uses include industrial motor control, digital power conversion, metering, condition monitoring, building automation, and communications equipment. The 170 MHz Cortex-M4F performance is particularly useful when the control system must execute mathematical transformations alongside real-time input sampling. The 48-LQFP package also provides a leaded surface-mount format that is practical for prototypes, automated assembly, and designs requiring visually inspectable connections. PCB design should preserve the decoupling structure and pin assignments specified in the STMicroelectronics datasheet. Place each supply pin’s local bypass capacitor close to the corresponding power and ground pins, route high-current outputs separately from sensitive analog inputs, and use a continuous ground reference beneath the device where the package footprint permits. Validate the final layout for signal integrity, thermal performance, and electromagnetic compliance. This product record combines the manufacturer’s device information with practical engineering guidance for STM32G474CBT6 selection and PCB implementation. The application guidance, package-focused comparison, and design notes clarify how the 170 MHz Cortex-M4F performance, 128 KB flash configuration, and 48-LQFP footprint can be used when developing robust embedded systems.

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STM32G474CET6

STM32G474CET6 - 170MHz Cortex-M4F MCU, 512KB Flash | STMicroelectronics

The STMicroelectronics STM32G474CET6 is a mainstream Arm Cortex-M4F microcontroller delivering 170 MHz / 213 DMIPS performance with 512 KB of embedded Flash, 128 KB SRAM, and a hardware Floating-Point Unit, housed in a 48-pin LQFP (7x7 mm) package for surface-mount designs. The device integrates 5x 12-bit 4 MSPS ADCs, 4x 12-bit DACs with sample-and-hold, 7x ultra-fast comparators (25 ns), a CORDIC hardware math accelerator for trigonometric functions, and 12-channel high-resolution timers with 184 ps resolution for advanced digital power conversion. An MCU (Microcontroller Unit) is a single-chip computer integrating a CPU core, program memory (Flash), working memory (SRAM), and peripherals (ADC, timers, communication interfaces). Within ST's portfolio, the STM32G4 sits between the STM32F-series general-purpose MCUs and the STM32H7 high-performance family, with a specific focus on mixed-signal control (analog-rich), digital power conversion, and motor/fan drives. The Cortex-M4F core adds DSP instructions and single-precision FPU for sensor-fusion algorithms and digital control loops. As a member of the broader ARM Cortex-M4 ecosystem, the STM32G474CET6 benefits from extensive middleware, HAL drivers, and STM32CubeMX configuration tooling. Key differentiating features include the FMAC (Filter Math Accelerator) co-processor for digital filtering, MATH acceleration via CORDIC for sin/cos/atan, four operational amplifiers usable as front-end signal conditioning for the ADCs, and connectivity via USB Type-C / USB Power Delivery 3.0, CAN FD, three SPIs, three I2C, six USARTs, and one UART. The integrated 184 ps high-resolution timer supports 16-bit resolution at 245 MHz equivalent, enabling digital SMPS and high-frequency PWM generation typically needing an external timer IC. Architecturally, the STM32G474CET6 uses an LQFP-48 layout to expose three SPIs, three I2C, six USARTs, USB 2.0 FS with PD, two CAN FDs, two SAR ADC groups with up to 19 channels total, and three fast comparators with programmable hysteresis. The bus matrix supports up to 8 DMA channels; the chip runs from 1.71 V to 3.6 V main supply and embeds an internal 16 MHz RC and 32 kHz RTC oscillator. Typical applications include industrial variable-frequency drives, server/AI PSUs and telecom rectifiers, solar micro-inverters and battery management, Class-D audio amplifiers, e-bike and drone motor controllers, digital welding equipment, and LED lighting drivers. The CORDIC accelerator and fast ADCs make it a single-chip fit for field-oriented motor control in cordless tools and appliances. Design considerations: Use STM32CubeIDE or STM32CubeMX to generate pin-multiplexing and peripheral configurations; respect the 3.3 V supply and add 100 nF decoupling caps near each VDD pin; leverage the CORDIC unit to off-load trigonometric calculations in motor-control loops. Connect BOOT0 to GND for normal boot from Flash. This page synthesises distributor pricing, same-package pin-compatible alternatives (including STM32G473 and lower-memory STM32G431 variants), and practical design notes not always covered in the manufacturer datasheet.

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STM32G474CEU6

STM32G474CEU6 - 170MHz 512KB Cortex-M4F MCU | STMicroelectronics

STMicroelectronics STM32G474CEU6 is a 32-bit ARM Cortex-M4F microcontroller with FPU operating up to 170 MHz, 512 KB of Flash memory, and a 48-pin UFQFPN 7 x 7 mm package. The device combines 213 DMIPS-class compute performance with math accelerator and high-resolution timer capabilities identified in the verified distributor data. It supports 1.8 V, 2.5 V, and 3.3 V supply options, making it suitable for embedded control, industrial automation, motor-control, and communications equipment. An Arm Cortex-M4F microcontroller is a 32-bit embedded processor based on the RISC architecture, with a single-precision floating-point unit for hardware-assisted mathematical operations. Within the product hierarchy, the STM32G474CEU6 belongs to the STM32G4 family of high-performance microcontrollers, combining general-purpose processing with analog, timer, communication, and real-time control peripherals in one integrated device. The verified product information identifies three principal features: a maximum clock frequency of 170 MHz, 512 KB of Flash organized as 512K x 8, and a 48-pin UFQFPN package. Additional listed capabilities include math acceleration and high-resolution timers. These resources distinguish it from simpler general-purpose Cortex-M devices when an application requires intensive control calculations, precise timing, or floating-point signal processing. The Cortex-M4F core provides a deterministic architecture with an integrated FPU, while the STM32G4 feature set targets applications where response time and control accuracy matter. The 213 DMIPS figure stated in the verified datasheet listing indicates high computational throughput for its class, although total application performance depends on clock configuration, memory implementation, peripherals, and firmware optimization. Typical uses include digital power conversion, industrial motor control, sensor acquisition, compact industrial gateways, and real-time embedded controllers. The 170 MHz processing rate can support computationally intensive loops, while the high-resolution timer resources improve measurements and edge-based control. Its low-pin-count UFQFPN package also enables compact layouts when space is constrained, although careful exposed-pad and thermal management is required. Designers should verify the complete pin configuration, exposed-pad connection, decoupling requirements, clock options, and peripheral assignments in the official STM32G474CE datasheet before layout release. Because the verified data does not provide operating-temperature, memory-voltage, ADC, communications, and compliance details, those specifications require confirmation rather than assumption during component qualification. This product record consolidates the verified manufacturer and distributor data for the STM32G474CEU6 with package information, engineering application guidance, a conservative replacement assessment, and transparent data gaps. It is intended to accelerate sourcing and initial design review while ensuring that unqualified claims are independently checked against the manufacturer documentation.

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STM32G474QBT6

STM32G474QBT6 - 170MHz Cortex-M4F 128KB Flash MCU | STMicroelectronics

STMicroelectronics STM32G474QBT6 is a 32-bit ARM Cortex-M4F microcontroller with a 170 MHz operating frequency, 128 KB of flash memory, and a 128-pin LQFP package measuring 14 x 14 mm. It belongs to the STM32G4 series of high-performance embedded microcontrollers and combines a high-performance Cortex-M4F core with analog peripherals, digital timers, communication interfaces, and hardware accelerators for control and signal-processing applications. An STM32G4-series microcontroller is an embedded system-on-chip designed for real-time control, industrial automation, motor control, power conversion, communications, and precision measurement. Its Cortex-M4F architecture provides floating-point arithmetic, while the STM32G4 peripheral set targets applications requiring fast control loops, high-resolution analog conversion, and flexible timer resources. The STM32G474QBT6 also includes an Arm Cortex-M4F processor with a 170 MHz clock rating and 128 KB of program flash. The STM32G474QBT6 is identified by distributor listings as a 32-bit, 170 MHz Cortex-M4F MCU with 128 KB flash in a 128-LQFP package. Listings also describe the device as an STMicroelectronics STM32G4 microcontroller with math acceleration, high-resolution timers, and extensive mixed-signal capabilities. These features make it suitable for applications such as digital power controllers, motor-control systems, industrial sensor platforms, communications equipment, and precision measurement instruments. The device family is designed for applications that need more control performance than general-purpose entry-level microcontrollers while retaining the simplicity of a single-chip embedded controller. Its analog and timer peripherals can reduce the need for discrete components in signal-conditioning and closed-loop systems. The 128-LQFP package exposes a larger pin count than smaller STM32 devices, supporting more GPIO, communication, debug, timer, and analog connections on a single PCB. Typical use cases include digital power supplies, servo and stepper-motor control, industrial automation modules, data acquisition systems, communications hubs, and embedded instrumentation. In these systems, the Cortex-M4F core handles control software, the analog peripherals support sensor and feedback networks, and the high-resolution timer resources improve timing accuracy for power conversion and motor-control algorithms. When designing a PCB around the STM32G474QBT6, verify the complete pin assignment, exposed thermal and supply requirements, decoupling network, clock configuration, and debug interface against the manufacturer datasheet. The 128-LQFP footprint requires careful escape routing and adequate copper thermal management if the device dissipates significant power. Use the Request a Quote form on this page for current commercial availability, lead time, and quotation requirements.

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STM32G474QET3

STM32G474QET3 - 170MHz Cortex-M4F MCU | STMicroelectronics

The STMicroelectronics STM32G474QET3 is a 32-bit Arm Cortex-M4F microcontroller with a maximum clock frequency of 170 MHz, 512 KB of Flash memory, and a 128-pin LQFP package measuring 14 mm by 14 mm. It belongs to the STM32G4 series of embedded-processing microcontrollers and is designed for compact control systems requiring substantial Flash storage and high processing performance. A microcontroller is a semiconductor that integrates a processor core, program memory, data memory, peripherals, and communication interfaces into one package. Within the embedded hierarchy, the STM32G474QET3 is a general-purpose MCU based on the Arm Cortex-M4F core. The F designation identifies the floating-point instruction capability, while the STM32G4 family is positioned for demanding control, monitoring, and real-time signal-processing applications. The verified core characteristics are a 32-bit Arm Cortex-M4F architecture, operation up to 170 MHz, and 512 KB of Flash organized as 512 K x 8. The specified 128-LQFP package provides 128 physical leads on a 14 mm x 14 mm surface-mount footprint. The Hotenda product listing also identifies a 3 V device class, making the part suitable for conventional 3 V embedded systems when confirmed against the complete manufacturer datasheet. The combination of a 170 MHz Cortex-M4F core and 512 KB Flash allows firmware to combine control logic with computationally intensive routines without immediately using external program memory. The large pin count can also provide more externally accessible device connections than lower-pin-count variants in the STM32G4 family. Exact peripheral assignments, GPIO alternate functions, memory-map details, electrical limits, and temperature limits must be checked against the STM32G474xB/xC/xE documentation before layout release. Typical implementation areas include industrial monitoring and automation, digital power conversion, motor-control platforms, communication equipment, and embedded test systems. In these applications, the 170 MHz processing rate supports responsive real-time tasks, while 512 KB Flash provides room for application code, configuration data, and embedded protocol implementations. The 128-LQFP package is useful where a design requires numerous accessible I/O functions rather than the smallest possible footprint. PCB planning should use the manufacturer land pattern and verify every 128-pin signal, power, ground, and termination connection. Decoupling should follow the datasheet guidance, and signal-routing decisions should preserve the required analog and digital partitioning. Because the verified data does not include the complete pin table, electrical limits, or peripheral mapping, engineers should not infer missing values from the distributor summaries. This product record combines verified distributor specifications, current sourcing information, family-level replacement analysis, and engineering guidance that is not presented as a substitute for the complete STMicroelectronics reference manual, errata, and datasheet. It is intended to accelerate initial component selection while preserving clear boundaries around unverified technical details.

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STM32G474QET6

STM32G474QET6 - 170MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics

The STM32G474QET6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the Arm® Cortex®-M4F core with FPU. It operates at up to 170 MHz, delivering 213 DMIPS, and features 512 KB of Flash memory and 128 KB of SRAM. The device is housed in a 128-pin LQFP package (14x14 mm), making it suitable for a wide range of industrial and consumer applications. 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. The STM32G474 series belongs to the STM32G4 family, which is optimized for mixed-signal control applications, combining a powerful Cortex-M4 core with advanced analog peripherals and a math accelerator. This family sits within the broader STM32 ecosystem, which includes multiple series tailored for different performance, power, and feature requirements. Key features of the STM32G474QET6 include a 170 MHz Arm Cortex-M4F core with FPU, 512 KB Flash, 128 KB SRAM, a 184 ps high-resolution timer with 12 channels, a math accelerator for enhanced DSP performance, and rich analog peripherals including multiple 12-bit ADCs, DACs, and comparators. The device also supports various communication interfaces such as SPI, I2C, USART, CAN, and USB, making it versatile for connectivity. The STM32G474QET6 is built on STMicroelectronics' advanced process technology, enabling high performance with efficient power consumption. The inclusion of a math accelerator (CORDIC and FMAC) offloads complex calculations from the CPU, improving overall system throughput. The high-resolution timer is particularly suited for digital power conversion, motor control, and other time-critical applications. Typical applications include digital power supplies, motor control (e.g., field-oriented control of BLDC motors), industrial automation, and advanced sensing systems. The device's rich analog front-end and high-resolution timer make it ideal for applications requiring precise timing and analog signal processing. When designing with this MCU, ensure proper decoupling of the power supply pins and consider the thermal dissipation of the LQFP-128 package. The device supports multiple low-power modes, which can be leveraged to optimize energy consumption in battery-powered applications.

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Subcategories

Products (39,000+)

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STM32G473QCT6 - 170MHz Cortex-M4 MCU 256KB Flash LQFP-128 | ST

STM32G473RBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STM32G473RCT6 - 170MHz ARM Cortex-M4F MCU | STMicroelectronics

STM32G473RET6 - 170MHz ARM Cortex-M4F MCU with FPU | STMicroelectronics

STM32G473VBH3 - 170MHz Cortex-M4 MCU | STMicroelectronics

STM32G473VBT6 - 170MHz 128KB Cortex-M4 | STMicroelectronics

STM32G473VCT6 - 170MHz Cortex-M4 MCU, 256KB Flash | ST

STM32G473VET3 - 170MHz Cortex-M4 MCU 512KB LQFP-100 | STMicroelectronics

STM32G473VET6 - 170MHz Cortex-M4 MCU | STMicroelectronics

STM32G474CBT3 - 170MHz Cortex-M4 MCU, 128KB Flash, LQFP-48 | STMicroelectronics

STM32G474CBT6 - 170MHz 128KB Cortex-M4F MCU | STMicroelectronics

STM32G474CET6 - 170MHz Cortex-M4F MCU, 512KB Flash | STMicroelectronics

STM32G474CEU6 - 170MHz 512KB Cortex-M4F MCU | STMicroelectronics

STM32G474QBT6 - 170MHz Cortex-M4F 128KB Flash MCU | STMicroelectronics

STM32G474QET3 - 170MHz Cortex-M4F MCU | STMicroelectronics

STM32G474QET6 - 170MHz Cortex-M4 MCU, 512KB Flash | STMicroelectronics