STMicroelectronics STM32G0B1CCT7

Overview

STM32G0B1CCT7 from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller with 512 KB flash, 144 KB SRAM, dual 12-bit DACs, two FDCAN controllers, and USB Type-C™ Power Delivery controller - deployed in industrial HMI, smart metering gateways, and USB-C PD source designs requiring secure firmware execution and low-power operation down to -40°C.

For engineers reviewing the STM32G0B1CCT7 datasheet, STM32G0B1CCT7 pinout, STM32G0B1CCT7 application, or STM32G0B1CCT7 equivalent, key selection criteria include its 64 MHz CPU frequency, 94 fast I/Os (including 5 V-tolerant), dual FDCAN support for automotive-grade communication, and integrated USB-C PD controller enabling single-chip AC/DC adapter and portable power bank implementations.

Technical Context

The STM32G0B1CCT7 integrates an Arm Cortex-M0+ core with MPU, supporting memory protection and secure boot via securable flash area. Its clock system combines 4–48 MHz HSE, 32 kHz LSE with calibration, and internal 48 MHz RC oscillator - enabling crystal-less USB FS and precise RTC timing.

Peripherals are interconnected via a multi-layer AHB/APB bus matrix, supporting concurrent high-speed transfers: DMA handles ADC sampling at 0.4 µs conversion time while timers (including two 128 MHz-capable) manage motor control and PWM generation without CPU intervention.

Key Specifications

Pinout & Package

LQFP64 package (10 × 10 mm, 0.5 mm pitch), ECOPACK2-compliant, with exposed thermal pad for enhanced thermal dissipation in high-duty-cycle applications.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32G0B1CCT7, the STM32G0B1RCT7 reduces memory and analog capability for lower cost, while the STM32G0C1VET7 expands USB and I/O resources at the expense of larger footprint - making the CCT7 optimal for balanced USB-C PD + FDCAN + analog integration in LQFP64.

Availability

STM32G0B1CCT7 is available at Aetrix Electronics and suitable for industrial HMI, smart energy gateways, and USB-C PD power adapter designs requiring stable component supply, long-term lifecycle assurance, and compliance with ECOPACK2 environmental standards.

Supply support for STM32G0B1CCT7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32G0 series targets cost-sensitive, low-power embedded applications demanding security, USB-C connectivity, and rich analog integration - with the G0B1 line specifically optimized for USB-C PD, FDCAN, and high-resolution mixed-signal control.

FAQ

What is the maximum operating temperature for STM32G0B1CCT7?

The STM32G0B1CCT7 is rated for operation from -40°C to +125°C ambient temperature, validated per ST's industrial qualification standards. This extended range supports deployment in sealed enclosures, outdoor metering units, and under-hood automotive auxiliary modules where thermal management is constrained.

Does STM32G0B1CCT7 support crystal-less USB Full-Speed operation?

Yes - the device integrates a factory-trimmed 48 MHz internal RC oscillator (HSI48) with ±0.25% accuracy across voltage and temperature, enabling certified USB 2.0 Full-Speed device operation without an external crystal. This reduces BOM cost and PCB area in USB peripheral designs.

How many FDCAN interfaces does STM32G0B1CCT7 provide, and what are their key capabilities?

The STM32G0B1CCT7 includes two fully independent FDCAN controllers compliant with ISO 11898-1:2015. Each supports bit rates up to 5 Mbit/s, flexible data-length (8–64 bytes), and built-in message RAM with FIFO and filtering - enabling dual-bus automotive diagnostics and redundant industrial fieldbus communication.

Is the USB Type-C Power Delivery controller on STM32G0B1CCT7 a standalone subsystem?

Yes - the USB-C PD controller is a dedicated hardware block with integrated BMC PHY, PD protocol engine, and VBUS monitoring circuitry. It operates autonomously from the Cortex-M0+ core, handling PD negotiation, fault detection, and power role swapping without firmware overhead or external ICs.