STM32G0B1CBU7 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
STMicroelectronics STM32G0B1CBU7 is a 32-bit ARM Cortex-M0+ microcontroller at 48 MHz with 128KB Flash, 144KB RAM, 6x USART, ADC, DAC, DMA, and 1.7V–3.6V supply in a compact QFN package. Supports diverse connectivity for cost-optimized embedded designs. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- STM32G0B1CBU7 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.3482(MOQ 1560)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ARM Cortex-M0+ core at 48 MHz with 128KB Flash and 144KB RAM — unusually large RAM for the G0 class enabling complex RTOS applications
- 6x USART plus SPI, I2C, USB, and CAN interfaces in a single QFN package for rich multi-protocol connectivity
- 1.7V–3.6V supply range with integrated 3-channel ADC and DAC enabling direct analog sensor interfacing in low-power IoT designs
Applications
The STM32G0B1CBU7 targets cost-sensitive IoT nodes, home automation controllers, and smart appliance main boards that need multiple communication interfaces alongside analog peripherals at sub-2V operation. Its 144KB RAM — larger than most Cortex-M0+ peers — allows it to run lightweight TCP/IP stacks, USB device firmware, or multi-axis stepper motor control algorithms without external SRAM at 48 MHz.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Additional Feature | 3-ch internal adc available |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | CORTEX-M0 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-XQCC-N48 |
| Low Power Mode | YES |
| Number of DMA Channels | 12 |
| Number of I/O Lines | 44 |
| Number of Serial I/Os | 8 |
| Number of Timers | 17 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC48,.27SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 147456 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 9.9mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin (Sn) - immersion |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Mainland China, Philippines, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32G0B1CBU7:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 64MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, Cortex-M0+ CPU, 64MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 64MHz, CMOS, QCC48
Frequently Asked Questions
How does STM32G0B1CBU7's 144KB RAM compare to typical Cortex-M0+ peers and what firmware workloads does this enable?
Most Cortex-M0+ devices offer 16KB–64KB of SRAM, but the STM32G0B1CBU7 provides 144KB — more than double the typical upper bound. This extra RAM can hold a FreeRTOS kernel with 8 tasks, a 32KB USB ring buffer, 16KB graphics framebuffer, and application state, all on a single chip running at 48 MHz without external memory.
For a USB-to-serial bridge design, which communication peripherals on STM32G0B1CBU7 eliminate external ICs?
The STM32G0B1CBU7 integrates USB device, 6x USART, SPI, I2C, and CAN — all on one chip. A USB-to-CAN adapter or USB-to-multi-UART hub can be built with only a USB Type-C connector, a CAN transceiver, and the MCU in its QFN package, reducing BOM by 3–5 external bridge ICs compared to discrete solutions.
In a 3.3V industrial sensor node running from a lithium battery, how far can the 1.7V lower supply limit extend battery life?
With a 1.7V minimum supply voltage, the STM32G0B1CBU7 can operate directly from a single lithium cell down to near-depletion without a boost converter, extending battery life by 15–25% compared to 2.7V-minimum MCUs that require an extra LDO or boost stage. The integrated ADC and DAC at 1.7V–3.6V allow sensor readings without level translation on the 3-channel analog front-end.
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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 |
|---|---|---|
| 1560+ | $2.5302 | $3947.14 |
| 6240+ | $2.3726 | $14805.15 |
| 12480+ | $2.3604 | $29457.67 |
| 24960+ | $2.3482 | $58610.07 |
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.”