STM32G491CCU3 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
The STM32G491CCU3 is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics running at up to 170 MHz with a floating-point unit, 256 KB Flash, and 96 KB SRAM, housed in a compact 48-pin UFQFPN 7x7 mm package. It integrates advanced motor control timers, 12-bit ADCs, and a hardware math accelerator for demanding real-time applications.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- STM32G491CCU3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.3554(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32G491CCU3?
- ARM Cortex-M4 core with FPU running at up to 170 MHz and a hardware CORDIC math accelerator for fast trigonometric computations in motor control
- Advanced motor-control timer (TIM1/TIM8) with complementary PWM outputs, dead-time insertion, and fault protection for 3-phase drive designs
- Dual 12-bit ADCs with up to 5 Msps combined throughput enable simultaneous current sensing in high-performance servo and BLDC motor applications
What is STM32G491CCU3 used for?
The STM32G491CCU3 targets high-performance motor control, power conversion, and digital power supply designs that demand fast floating-point computation at 170 MHz within a 48-pin UFQFPN footprint. It also serves industrial IoT edge nodes and factory automation controllers where the CORDIC/FMAC accelerators offload signal-processing tasks from the Cortex-M4 core.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the STM32G491CCU3 datasheet?
STM32G491CCU3 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32G491CCU3?
Compatible alternatives and drop-in replacements for STM32G491CCU3:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
Frequently Asked Questions
For a 3-phase BLDC motor drive, how do the STM32G491CCU3's advanced timers and ADCs work together?
The STM32G491CCU3 provides advanced timers TIM1 and TIM8 with 6 complementary PWM channels, configurable dead-time, and hardware fault inputs, while dual 12-bit ADCs sampling at up to 5 Msps perform synchronized phase-current measurements triggered by the PWM cycle for fast current-loop closure at 170 MHz.
What memory resources does the STM32G491CCU3 provide, and can they accommodate a real-time OS alongside a motor control stack?
The STM32G491CCU3 includes 256 KB of Flash and 96 KB of SRAM, which comfortably fits a lightweight RTOS such as FreeRTOS alongside STM32 Motor Control SDK firmware, leaving headroom for application logic, communication drivers, and parameter storage.
How does the UFQFPN 7x7 mm 48-pin package of the STM32G491CCU3 benefit compact motor driver board designs?
The 48-pin UFQFPN package with a 7x7 mm body and 0.5 mm pitch delivers a small PCB footprint suitable for compact servo amplifier and pump controller boards, while the exposed thermal pad on the bottom improves heat dissipation at the 170 MHz operating frequency.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $4.6000 | $1150.00 |
| 500+ | $4.1900 | $2095.00 |
| 1000+ | $3.7900 | $3790.00 |
| 6240+ | $3.3903 | $21155.60 |
| 12480+ | $3.3728 | $42093.04 |
| 24960+ | $3.3554 | $83749.79 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
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