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STM32G0B1RBT6

STM32G0B1RBT6

STMicroelectronics
ARM® Cortex®-M0+ STM32G0 Microcontroller IC 32-Bit 64MHz 128KB (128K x 8) FLASH 64-LQFP (10x10)
Active512 in stock

Overview

The STM32G0B1RBT6 is a high-performance ARM Cortex-M0+ microcontroller operating at 64MHz, designed to bridge the gap between 8-bit simplicity and 32-bit capability. It features a significant 144KB of RAM and 512KB of Flash, integrated with specialized hardware support for USB Type-C Power Delivery and dual CAN FD interfaces. This makes it an ideal choice for modern connectivity and power management tasks in a compact 64-pin LQFP package.

Why Choose This Part

The STM32G0B1RBT6 offers an exceptional memory density for the Cortex-M0+ class with 144KB RAM, allowing for complex middleware and communication stacks. Its highly integrated analog front-end, including three rail-to-rail comparators and two 12-bit DACs, reduces external component count and PCB footprint. Practical power efficiency is achieved through multiple low-power modes, reaching as low as 0.3uA in standby.

Applications

USB Power Delivery Controller
Utilizes the integrated USB Type-C PD physical layer to manage power negotiation and high-speed data in consumer electronics.
Industrial Gateway
Leverages dual CAN-FD interfaces and multiple UARTs to act as a communication bridge in industrial automation networks.
Motor Control
Employs the 16-bit advanced motor control timer and high-speed 12-bit ADC for precision brushless DC motor applications.
Battery Management Systems
Monitors cell voltages and temperature using the 17-channel ADC while maintaining low power consumption in standby modes.

Key Specifications

Speed 64MHz
RAM Size 144K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB2.0, USB Type-C (Power Delivery)
Mounting Type Surface Mount
Number of I/O 58
Core Processor ARM Cortex-M0+
Package / Case 64-LQFP
Data Converters A/D 17x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 64-LQFP (10x10)
Voltage - Supply (Vcc/Vdd) 1.7V ~ 3.6V

Getting Started

Engineers should start with the NUCLEO-G0B1RE development board for rapid prototyping. The STMicroelectronics STM32Cube ecosystem provides the STM32CubeMX tool for pinout and peripheral configuration, while the STM32CubeIDE serves as a complete development environment. For USB Type-C development, the X-CUBE-USB-PD expansion pack provides the necessary software libraries and stacks.

Dev Boards

Development boards and breakout modules featuring the STM32G0B1RBT6 or compatible chips — ready to use for prototyping.

NUCLEO-G031K8 STMicroelectronics
STM32G031 Nucleo-32 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 651 in stock
NUCLEO-G0B1RE STMicroelectronics
STM32G0B1 Nucleo-64 STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 1,967 in stock
STM32G0316-DISCO STMicroelectronics
STM32G031 Discovery STM32G0 ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board
Digi-Key 35 in stock

STM32G0B1 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package ADC/DAC Flash Stock
STM32G0B1RBT6 (this part) 58 LQFP-64 A/D 17x12b SAR; D/.. 128KB 512
STM32G0B1CET6 42 LQFP-48 A/D 15x12b SAR; D/.. 512KB 1,643
Also available as: STM32G0B1KBT3, STM32G0B1CBT6

Also Consider

STM32G474RET6 STMicroelectronics - Offers a more powerful Cortex-M4F core and high-resolution timers for more demanding power conversion or motor control applications.
ATSAMD21G18A-AU MCHPMicrochip Technology - A widely used alternative Cortex-M0+ MCU with a large community ecosystem, though with less RAM and no native USB-PD hardware.
STM32G071RBT6 STMicroelectronics - A cost-optimized version for projects that do not require the CAN-FD interfaces or the extra RAM of the B1 series.
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