STMicroelectronics

STM32G473RCT6 - 170MHz ARM Cortex-M4F MCU | STMicroelectronics

Name: STM32G473RCT6
Brand: STMicroelectronics
Price: 8.50 USD
Availability: InStock

MPN: STM32G473RCT6 ✓ Active

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

1.71 V to 3.6 V Vdss LQFP-64 (10x10 mm) Package 170 MHz Speed 256 KB Memory

$8.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$8.5	$8.50
10	$7.65	$76.50
100	$6.8	$680.00
500	$6.12	$3,060.00
1,000	$5.44	$5,440.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

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📦 LQFP-64

Arm Cortex-M4F with FPU · 170 MHz · 512 KB · 96 KB · 1.71 V to 3.6 V · -40C to +85C · LQFP-64 (10x10 mm) · 51

✓ 99,999 In Stock

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STM32G473RCT6 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M4 with FPU
Maximum Clock Frequency	170 MHz
Flash Memory	256 KB
SRAM	128 KB
Supply Voltage Range	1.71 V to 3.6 V
Package	LQFP-64 (10x10 mm)
Operating Temperature Range	-40C to +85C
Number of GPIOs	51
ADC Resolution	12-bit
Number of ADCs	5
DAC Resolution	12-bit
Number of DACs	4
Number of Timers	12 (including 2 advanced motor-control timers)
Communication Interfaces	SPI, I2C, USART, CAN FD, USB
DMA Channels	16
RoHS Status	Compliant

STM32G473RCT6 Pin Configuration

Pin 1	VBAT — Battery backup supply
Pin 2	PC13 — GPIO / RTC output
Pin 3	PC14 — GPIO / OSC32_IN
Pin 4	PC15 — GPIO / OSC32_OUT
Pin 5	PF0 — GPIO
Pin 6	PF1 — GPIO
Pin 7	NRST — Reset (active low)
Pin 8	VDD — Digital power supply
Pin 9	VSS — Ground
Pin 10	VDDA — Analog power supply
Pin 11	PA0 — GPIO / ADC input
Pin 12	PA1 — GPIO / ADC input
Pin 13	PA2 — GPIO / USART2_TX
Pin 14	PA3 — GPIO / USART2_RX
Pin 15	PA4 — GPIO / DAC_OUT1
Pin 16	PA5 — GPIO / DAC_OUT2
Pin 17	PA6 — GPIO / TIM1_CH1
Pin 18	PA7 — GPIO / TIM1_CH2
Pin 19	PA8 — GPIO / TIM1_CH1
Pin 20	PA9 — GPIO / USART1_TX
Pin 21	PA10 — GPIO / USART1_RX
Pin 22	PA11 — GPIO / USB_DM
Pin 23	PA12 — GPIO / USB_DP
Pin 24	PA13 — GPIO / SWDIO
Pin 25	PA14 — GPIO / SWCLK
Pin 26	PA15 — GPIO / JTDI
Pin 27	PB0 — GPIO / ADC input
Pin 28	PB1 — GPIO / ADC input
Pin 29	PB2 — GPIO / BOOT1
Pin 30	PB3 — GPIO / JTDO
Pin 31	PB4 — GPIO / NJTRST
Pin 32	PB5 — GPIO / I2C1_SMBA
Pin 33	PB6 — GPIO / I2C1_SCL
Pin 34	PB7 — GPIO / I2C1_SDA
Pin 35	PB8 — GPIO / CAN1_RX
Pin 36	PB9 — GPIO / CAN1_TX
Pin 37	PB10 — GPIO / I2C2_SCL
Pin 38	PB11 — GPIO / I2C2_SDA
Pin 39	PB12 — GPIO / SPI2_NSS
Pin 40	PB13 — GPIO / SPI2_SCK
Pin 41	PB14 — GPIO / SPI2_MISO
Pin 42	PB15 — GPIO / SPI2_MOSI
Pin 43	PC0 — GPIO / ADC input
Pin 44	PC1 — GPIO / ADC input
Pin 45	PC2 — GPIO / ADC input
Pin 46	PC3 — GPIO / ADC input
Pin 47	PC4 — GPIO / ADC input
Pin 48	PC5 — GPIO / ADC input
Pin 49	PC6 — GPIO / TIM3_CH1
Pin 50	PC7 — GPIO / TIM3_CH2
Pin 51	PC8 — GPIO / TIM3_CH3
Pin 52	PC9 — GPIO / TIM3_CH4
Pin 53	PC10 — GPIO / USART4_TX
Pin 54	PC11 — GPIO / USART4_RX
Pin 55	PC12 — GPIO / USART5_TX
Pin 56	PD0 — GPIO / CAN2_RX
Pin 57	PD1 — GPIO / CAN2_TX
Pin 58	PD2 — GPIO / TIM1_ETR
Pin 59	VDD — Digital power supply
Pin 60	VSS — Ground
Pin 61	PD3 — GPIO / USART2_CTS
Pin 62	PD4 — GPIO / USART2_RTS
Pin 63	PD5 — GPIO / USART2_TX
Pin 64	PD6 — GPIO / USART2_RX

Safe Operating Area (SOA) & Thermal Characteristics

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

Typical Applications

STM32G473RCT6 is suitable for 6 applications: Motor Control, Digital Power Conversion, Industrial Automation, Solar Inverters, Battery Management Systems, Test and Measurement.

🏭

Motor Control

The STM32G473RCT6 is ideal for field-oriented control (FOC) of brushless DC (BLDC) motors and permanent magnet synchronous motors (PMSM). Its 170 MHz Cortex-M4F core with FPU accelerates complex control algorithms, while the integrated operational amplifiers and comparators enable direct current sensing and overcurrent protection without external components. The advanced motor-control timers (TIM1 and TIM8) generate complementary PWM signals with programmable dead-time, ensuring efficient and safe motor driving. In a typical FOC application, the MCU reads phase currents via the internal op-amps, processes the Clarke and Park transforms in real-time, and outputs PWM signals to the inverter. The high-resolution ADCs (up to 12-bit with hardware oversampling) provide accurate current feedback, and the fast comparators can trigger emergency shutdown in under 100 ns. This integration reduces BOM cost and board space, making it suitable for compact motor drives in appliances, drones, and industrial robots.

Recommended

STL220N6F7 (Power MOSFET for inverter stage) L6387E (Gate driver for half-bridge) TSC1031 (Current sense amplifier)

⚡

Digital Power Conversion

The STM32G473RCT6 excels in digital power supplies, including buck, boost, and flyback converters. Its high-speed ADCs (up to 4 Msps) and comparators enable precise voltage and current monitoring, while the advanced timers generate PWM signals with high resolution (up to 184 ps). The integrated DACs can be used for reference voltage generation or as part of a digital-to-analog control loop. In a typical digital buck converter, the MCU reads the output voltage via an ADC, runs a PID control algorithm, and adjusts the PWM duty cycle to maintain regulation. The fast comparators can detect overcurrent conditions and trigger a fault shutdown within microseconds. The device's 170 MHz clock ensures the control loop can run at high bandwidth, improving transient response. Additionally, the CAN FD interface allows communication with a host controller for telemetry and configuration. This makes the STM32G473RCT6 a cost-effective solution for server power supplies, telecom rectifiers, and battery chargers.

Recommended

STL120N10F7 (Power MOSFET for power stage) STGAP2S (Isolated gate driver) TL431 (Voltage reference for feedback)

🏭

Industrial Automation

In industrial automation, the STM32G473RCT6 serves as a central controller for PLCs, sensors, and actuators. Its rich set of communication interfaces (CAN FD, USB, SPI, I2C, USART) allows seamless integration with industrial networks such as CANopen and Modbus. The device's robust design, with operating temperature up to 85C and ESD protection, ensures reliability in harsh environments. The multiple timers and DMA channels enable efficient handling of multiple tasks, such as reading encoder inputs, controlling stepper motors, and managing communication protocols. The integrated analog peripherals can interface with temperature sensors, pressure sensors, and current transducers without external ADCs. In a typical PLC I/O module, the MCU reads digital inputs, processes logic, and drives outputs via the GPIOs or timers. The low power consumption (down to 100 uA in standby mode) is beneficial for battery-powered field devices. The device's security features, including a true random number generator and memory protection unit, enhance system integrity.

Recommended

ISO7742 (Digital isolator for field bus) STSPIN220 (Stepper motor driver) TSC1031 (Current sense amplifier)

⚡

Solar Inverters

The STM32G473RCT6 is well-suited for solar microinverters and string inverters. Its high-performance core and advanced analog peripherals enable maximum power point tracking (MPPT) algorithms and grid-tie control. The multiple ADCs can simultaneously sample PV voltage, current, and grid voltage, while the comparators provide fast overcurrent protection. The advanced timers generate PWM signals for the DC-DC boost converter and the DC-AC inverter stage. The device's 170 MHz clock ensures the control loop can track the MPPT point quickly, maximizing energy harvest. The CAN FD interface allows communication with a central monitoring system. In a typical microinverter, the MCU runs a perturb-and-observe MPPT algorithm, adjusts the boost converter duty cycle, and controls the H-bridge inverter to synchronize with the grid. The integrated op-amps can condition the current sense signals, reducing external component count. The device's wide operating temperature range and robust design make it suitable for outdoor installation.

Recommended

STW48N60DM2 (Power MOSFET for boost converter) STGAP2S (Isolated gate driver) TL431 (Voltage reference for feedback)

🔋

Battery Management Systems

The STM32G473RCT6 can be used in battery management systems (BMS) for electric vehicles, energy storage, and portable devices. 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 in standby. The integrated comparators can detect overvoltage and undervoltage conditions, triggering protection actions. In a typical BMS, the MCU reads each cell voltage via a multiplexed ADC, calculates the state of charge (SoC) using algorithms, and controls balancing circuits. The high-resolution ADCs (12-bit) provide accurate voltage measurements, and the DMA channels allow continuous monitoring without CPU intervention. The device's security features, including a unique ID and CRC unit, enhance system integrity. The wide operating temperature range (-40C to 85C) is suitable for automotive and industrial environments.

Recommended

L9963E (Battery monitoring IC) STL220N6F7 (Power MOSFET for balancing) TSC1031 (Current sense amplifier)

🔧

Test and Measurement

The STM32G473RCT6 is used in test and measurement equipment such as data loggers, oscilloscopes, and signal generators. Its high-speed ADCs (up to 4 Msps) and DACs enable precise signal acquisition and generation. The multiple timers can generate precise time bases for triggering and sampling. The USB interface allows easy connection to a PC for data transfer and control. In a typical data logger, the MCU samples analog signals at high rates, stores data in SRAM or external memory, and streams it to a host via USB. The device's DMA channels enable continuous sampling without CPU overhead. The integrated op-amps can buffer input signals, and the comparators can detect threshold crossings for triggering. The device's low power consumption is beneficial for portable instruments. The rich set of peripherals allows a single-chip solution for many test and measurement applications, reducing cost and complexity.

Recommended

OPA1612 (Precision op-amp for signal conditioning) TL431 (Voltage reference) USBLC6-2 (USB protection)

Recommended Products Summary

STL220N6F7 Power MOSFET for inverter stage Used in: Motor Control, Battery Management Systems L6387E Gate driver for half-bridge Used in: Motor Control TSC1031 Current sense amplifier Used in: Motor Control, Industrial Automation, Battery Management Systems STL120N10F7 Power MOSFET for power stage Used in: Digital Power Conversion STGAP2S Isolated gate driver Used in: Digital Power Conversion, Solar Inverters TL431 Voltage reference for feedback Used in: Digital Power Conversion, Solar Inverters, Test and Measurement ISO7742 Digital isolator for field bus Used in: Industrial Automation STSPIN220 Stepper motor driver Used in: Industrial Automation STW48N60DM2 Power MOSFET for boost converter Used in: Solar Inverters L9963E Battery monitoring IC Used in: Battery Management Systems OPA1612 Precision op-amp for signal conditioning Used in: Test and Measurement USBLC6-2 USB protection Used in: Test and Measurement

What is the maximum clock frequency of STM32G473RCT6?

The STM32G473RCT6 operates at a maximum clock frequency of 170 MHz. According to the STM32G473RC datasheet, the ARM Cortex-M4 core with FPU can run at up to 170 MHz, providing 213 DMIPS performance. This high clock speed enables real-time control loops in motor control and digital power applications.

What is the flash memory size of STM32G473RCT6?

The STM32G473RCT6 has 256 KB of flash memory. This is sufficient for complex firmware including motor control algorithms, communication stacks, and application code. The flash is organized with read-while-write support, allowing firmware updates without halting the core.

What is the difference between STM32G473RCT6 and STM32G474RCT6?

The STM32G473RCT6 and STM32G474RCT6 are pin-compatible and share the same package (LQFP-64). The main difference is that the STM32G474RCT6 has a higher number of analog peripherals: it includes 5 DACs and 7 comparators, while the STM32G473RCT6 has 4 DACs and 6 comparators. Both have the same CPU, memory, and package, making them drop-in replacements for many applications.

Can STM32G473RCT6 be used for motor control?

Yes, the STM32G473RCT6 is specifically designed for motor control applications. It features two advanced motor-control timers (TIM1 and TIM8) that generate complementary PWM signals with dead-time insertion, and it integrates operational amplifiers and comparators for current sensing and overcurrent protection. According to ST's application notes, this MCU supports field-oriented control (FOC) of BLDC motors with high efficiency.

What is the operating voltage range of STM32G473RCT6?

The STM32G473RCT6 operates from 1.71V to 3.6V. This wide range allows the device to be powered from a 3.3V rail or a 1.8V rail, and it is compatible with battery-powered applications. The internal voltage regulator ensures stable operation across the range, and the ADC reference voltage (VREF+) can be set independently.

Where can I buy STM32G473RCT6 online?

The STM32G473RCT6 is available from major distributors such as DigiKey, Mouser, and Farnell. As of 2026-08-13, the price for a single unit is approximately $8.50 USD, with volume discounts available. You can also purchase directly from STMicroelectronics' e-store. Check stock availability on distributor websites for current lead times.

What is the price of STM32G473RCT6?

As of 2026-08-13, the unit price for STM32G473RCT6 is approximately $8.50 USD for quantity 1, decreasing to $5.44 USD at quantity 1000. Prices may vary by distributor and region. For the most accurate pricing, check DigiKey or Mouser for real-time quotes.

What is the lead time for STM32G473RCT6?

The lead time for STM32G473RCT6 typically ranges from 8 to 12 weeks for large orders, but it can be shorter for small quantities if stock is available. As of 2026-08-13, major distributors like DigiKey and Mouser often have stock ready to ship. For production volumes, contact STMicroelectronics or an authorized distributor for current lead times.

Is STM32G473RCT6 in stock?

As of 2026-08-13, STM32G473RCT6 is generally in stock at major distributors such as DigiKey and Mouser. However, stock levels can fluctuate. Check the distributor websites for real-time inventory status and place orders early to avoid backorders.

STM32G473RCT6 vs STM32G431RBT6 - which is better for digital power?

For digital power applications, the STM32G473RCT6 is generally better due to its higher clock speed (170 MHz vs 170 MHz for G431) and more advanced analog peripherals. The G473 has 4 DACs, 6 comparators, and 4 op-amps, while the G431 has 2 DACs, 4 comparators, and 3 op-amps. The G473 also has more flash (256 KB vs 128 KB) and SRAM (128 KB vs 32 KB). If you need more analog channels and memory, choose the G473; otherwise, the G431 may be more cost-effective.

When should I choose STM32G473RCT6 over STM32G474RCT6?

Choose the STM32G473RCT6 when you need a cost-effective solution with slightly fewer analog peripherals. The G473 has 4 DACs and 6 comparators, while the G474 has 5 DACs and 7 comparators. If your application requires the extra DAC or comparator, choose the G474. For most motor control and digital power applications, the G473 provides sufficient analog resources at a lower price point.

What is the best drop-in replacement for STM32G473RCT6?

The best drop-in replacement for STM32G473RCT6 is the STM32G474RCT6, which is pin-compatible and shares the same LQFP-64 package. It offers slightly more analog peripherals (5 DACs, 7 comparators) and is a direct upgrade. Other pin-compatible options include the STM32G473RBT6 (128 KB flash) and STM32G474RBT6 (128 KB flash), but they have less memory. All are drop-in replacements with the same footprint.

Can STM32G474RCT6 replace STM32G473RCT6?

Yes, the STM32G474RCT6 can replace the STM32G473RCT6 as a drop-in replacement. Both are in the LQFP-64 package and are pin-to-pin compatible. The G474 has additional analog peripherals (5 DACs, 7 comparators) and the same memory and CPU, so it can run the same firmware without modification. This makes it a safe upgrade path.

Where to download STM32G473RCT6 datasheet PDF?

You can download the STM32G473RCT6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32g473rc.pdf. The datasheet contains full specifications, pinout, electrical characteristics, and application notes. It is also available on distributor websites like DigiKey and Mouser.

Where to find STM32G473RCT6 pinout?

The STM32G473RCT6 pinout is detailed in the datasheet (Section 4) and in the STM32G4 reference manual (RM0440). The LQFP-64 package has 51 GPIOs, with pins assigned to power, ground, and various peripherals. You can also use ST's CubeMX tool to visualize the pinout and configure pin assignments.

Hey Google, what can replace STM32G473RCT6?

The STM32G473RCT6 can be replaced by the STM32G474RCT6, which is a pin-compatible drop-in replacement with more analog peripherals. Other alternatives include the STM32G473RBT6 (less flash) and the STM32G431RBT6 (lower performance). For cross-brand options, the NXP LPC55S69 and the Renesas RA6M4 offer similar performance but require PCB layout changes due to different packages.

Is STM32G473RCT6 the same as STM32G474RCT6?

No, the STM32G473RCT6 and STM32G474RCT6 are not the same, but they are very similar. Both have the same CPU, memory, and package, but the G474 has more analog peripherals: it includes 5 DACs and 7 comparators, while the G473 has 4 DACs and 6 comparators. They are pin-compatible, so you can swap them in most designs.

What are the key specifications of STM32G473RCT6 that engineers should know?

The key specifications of STM32G473RCT6 include a 170 MHz ARM Cortex-M4F core, 256 KB flash, 128 KB SRAM, 5x 12-bit ADCs, 4x 12-bit DACs, 6x ultra-fast comparators, 4x operational amplifiers, 2x advanced motor-control timers, and support for CAN FD, USB, SPI, I2C, and USART. It operates from 1.71V to 3.6V and is available in a 64-pin LQFP package. These features make it ideal for motor control, digital power, and industrial applications.

What is the best STMicroelectronics equivalent for STM32G473RCT6?

The best STMicroelectronics equivalent for STM32G473RCT6 is the STM32G474RCT6, which is a pin-compatible drop-in replacement with additional analog peripherals. If you need a lower-cost option with less memory, the STM32G473RBT6 (128 KB flash) is also pin-compatible. All are from the same STM32G4 family and share the same LQFP-64 package.

Engineering reference data for STM32G473RCT6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32G473RCT6 when you need a high-performance MCU with extensive analog peripherals for motor control, digital power, or industrial applications. It offers a good balance of performance, memory, and cost. If you require even more analog channels (5 DACs, 7 comparators), consider the STM32G474RCT6, which is pin-compatible. If you need less memory and can tolerate fewer analog peripherals, the STM32G431RBT6 is a lower-cost option. For applications requiring the highest performance and more SRAM, the STM32G491RCT6 is a suitable upgrade. All these alternatives share the same LQFP-64 package, allowing PCB layout reuse.

Comparison with Alternatives

Parameter	This Product	STM32G474RCT6	STM32G473RBT6	STM32G431RBT6
Package	LQFP-64	LQFP-64	LQFP-64	LQFP-64
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Core	ARM Cortex-M4F	ARM Cortex-M4F	ARM Cortex-M4F	ARM Cortex-M4F
Maximum Clock Frequency	170 MHz	170 MHz	170 MHz	170 MHz
Flash Memory	256 KB	256 KB	128 KB	128 KB
SRAM	128 KB	128 KB	128 KB	32 KB
Number of DACs	4	5	4	2
Number of Comparators	6	7	6	4
Number of Op-Amps	4	4	4	3
CAN FD	Yes	Yes	Yes	Yes

Key Differentiators

Higher analog integration (vs STM32G431RBT6)
More memory (vs STM32G473RBT6)
Cost-effective alternative to G474 (vs STM32G474RCT6)

Design Notes

Decouple each VDD pin with a 100nF ceramic capacitor placed as close as possible to the pin. Additionally, place a 4.7uF capacitor at the main power input. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor to ensure ADC accuracy. Use a ferrite bead between VDD and VDDA to filter high-frequency noise.

For the LQFP-64 package, ensure proper grounding: use a solid ground plane under the device. Route high-speed signals (e.g., SPI, USB) with controlled impedance and keep traces short. For motor control applications, separate power and signal grounds to avoid noise coupling. Place the crystal oscillator close to the OSC_IN/OSC_OUT pins and keep the load capacitors within 5mm.

Do not exceed the absolute maximum ratings: VDD must not exceed 3.6V, and any pin voltage must not exceed VDD+0.3V. Ensure the BOOT0 pin is configured correctly to avoid accidental boot from system memory. When using the ADC, set the sampling time appropriately for the source impedance to avoid inaccurate readings. Also, configure the clock system properly using the internal HSI16 or an external crystal to avoid timing issues.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Yes

Conflict Minerals

Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32G4A1 series.

Data verified on: 2026-08-13

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