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STMicroelectronics STM32G0B1CET6
- Part No.:
- STM32G0B1CET6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32G0B1CET6.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,748
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Product details
Overview
STM32G0B1CET6 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 support - deployed in industrial HMI, smart metering gateways, and USB-C PD-enabled embedded power systems.
For engineers reviewing the STM32G0B1CET6 datasheet, STM32G0B1CET6 pinout, STM32G0B1CET6 application, or STM32G0B1CET6 equivalent, key selection criteria include its 64 MHz CPU frequency, dual FDCAN interfaces for automotive-grade communication, USB FS device/host + Type-C PD controller integration, and -40°C to 125°C extended temperature operation.
Technical Context
The STM32G0B1CET6 implements an Arm Cortex-M0+ core with MPU, supporting up to 64 MHz operation and hardware parity on 128 KB of its 144 KB SRAM. Its memory subsystem includes dual-bank 512 KB flash with read-while-write and securable area for firmware IP protection.
It integrates two fully independent FDCAN 2.0B controllers with ISO 11898-1 compliance, USB 2.0 FS device/host (crystal-less), and a dedicated USB Type-C Power Delivery controller - enabling single-chip USB-C source/sink negotiation and power role swapping without external PD PHY.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 64 MHz max - enables real-time deterministic control in resource-constrained edge nodes. |
| Flash Memory | 512 KB dual-bank with RWW - supports seamless firmware updates and secure boot partitioning. |
| SRAM | 144 KB total (128 KB with HW parity) - provides robust data buffering for CAN/USB stacks and sensor fusion. |
| FDCAN Interfaces | Two independent controllers - allows simultaneous CAN FD communication on separate buses (e.g., vehicle diagnostics + powertrain). |
| USB Capability | USB 2.0 FS device/host + integrated Type-C PD controller - eliminates need for external PD controller IC in USB-C power adapters and docks. |
| Operating Temp | -40°C to 125°C - qualified for under-hood automotive, industrial motor drives, and outdoor energy infrastructure. |
| DACs | Two 12-bit DACs with sample-and-hold - enables precise analog output for sensor calibration, power supply trimming, or audio tone generation. |
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.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | 1.7–3.6 V core voltage; decoupling required per STM32 layout guidelines to maintain ADC/DAC accuracy. |
| VDDA, VSSA | Analog power and ground | Independent analog domain supply - must be filtered and separated from digital rails to preserve 12-bit ADC/DAC performance. |
| PA11/PA12 | USB DM/DP | Integrated USB 2.0 FS transceiver pins - require 27 Ω series resistors and proper PCB length matching for signal integrity. |
| PD0/PD1 | FDCAN1_RX/FDCAN1_TX | Dedicated differential CAN FD physical layer interface - supports bit rates up to 5 Mbit/s with built-in TX delay compensation. |
| PE0/PE1 | FDCAN2_RX/FDCAN2_TX | Second independent FDCAN channel - enables redundant CAN networks or multi-bus topology without external bus arbitration. |
| VBAT | Backup power supply | Supplies RTC and backup registers during main power loss - accepts 1.65–3.6 V, enabling coin-cell or supercapacitor backup. |
Key Features
| Feature | Design Value |
|---|---|
| USB Type-C PD Controller | On-die PD protocol engine with BMC decoding, VCONN switching, and role swap handling - reduces BOM by eliminating discrete PD controller ICs. |
| Dual FDCAN Controllers | Each with dedicated message RAM, filtering, and loopback self-test mode - simplifies AUTOSAR-compliant CAN FD stack implementation. |
| 12-bit ADC with Oversampling | Up to 16-bit effective resolution via hardware oversampling - enables high-accuracy current/voltage sensing in power conversion stages. |
| Low-Power Timers (LPTIM) | Two 16-bit LPTIMs running from LSE/LSI - provide precise timing during Stop/Standby modes for wake-up scheduling at µA-level current draw. |
| Secure Boot & ROP | Readout protection (ROP) Level 2 + securable flash area - prevents unauthorized firmware extraction and enforces trusted execution environment. |
Applications
| Industrial Motor Control | Smart Energy Gateway |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with field-oriented control (FOC) and real-time fault monitoring. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing PWM generation via TIM1, sampling current via ADC, and communicating over FDCAN to host PLC. Use Value: Dual FDCAN enables synchronized status reporting and firmware updates across distributed drives; 144 KB SRAM accommodates complex FOC math and safety monitor buffers. | Use Scenario: DIN-rail mounted gateway aggregating Modbus RTU, M-Bus, and pulse-counting meter data for cloud upload via LTE. IC Role / Device Role / Timing Role: Central protocol translator and scheduler - runs multiple UART-based protocols concurrently while maintaining RTC-synchronized logging and USB-C PD-powered backup battery charging. Use Value: Six USARTs + two LPUARTs allow simultaneous legacy meter interfacing; USB-C PD controller manages backup power delivery during grid outages. |
| USB-C Power Adapter | Automotive Diagnostic Tool |
Use Scenario: Compact 65 W GaN-based USB-C adapter with programmable PPS output and E-Marker support. IC Role / Device Role / Timing Role: Primary PD policy engine and power stage supervisor - negotiates voltage/current with source/sink, controls GaN FETs via PWM timers, and monitors VBUS/temperature via ADC. Use Value: Integrated USB-C PD controller eliminates external PD PHY; dual DACs trim reference voltages for precise PPS regulation; 125°C rating supports sealed enclosure thermal design. | Use Scenario: Handheld OBD-II scanner supporting UDS, DoIP, and CAN FD diagnostics for EV battery management systems. IC Role / Device Role / Timing Role: Protocol bridge between USB-C host PC and vehicle FDCAN network - handles ISO-TP framing, session control, and flash reprogramming via bootloader over CAN FD. Use Value: Two FDCAN controllers enable concurrent access to high-speed battery BMS bus and low-speed chassis CAN; USB FS device mode allows direct PC connection without drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G0B1RET6 | Same core/peripherals but in LQFP64-10×10 mm package with 512 KB flash and 144 KB SRAM - identical pinout and electrical specs. | No functional difference; RET6 denotes same silicon in alternate marking - used interchangeably in production. | Select when sourcing flexibility or alternate logistics channels are required; no design change needed. |
| STM32G0C1VET6 | Same package and pinout, but with 1 MB flash and 144 KB SRAM - adds 480 KB flash capacity and enhanced security features (AES-256, PKA). | Required where larger firmware image size, secure boot with cryptographic acceleration, or future-proofing for OTA updates is critical. | Choose for next-gen designs needing cryptographic services or >512 KB application code space; higher cost and marginally higher active current. |
Compared with STM32G0B1CET6, STM32G0B1RET6 offers identical functionality with alternate part marking, while STM32G0C1VET6 extends flash capacity and adds hardware crypto - making it suitable for secure, large-footprint firmware deployments where BOM cost premium is acceptable.
Availability
STM32G0B1CET6 is available at Aetrix Electronics and suitable for industrial motor control, smart energy gateways, USB-C power adapters, and automotive diagnostic tools requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for STM32G0B1CET6 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, specializing in microcontrollers, power management, sensors, and automotive ICs with vertical manufacturing and broad industrial qualification.
The STM32G0 series targets cost-sensitive, power-efficient general-purpose applications - delivering Cortex-M0+ performance with advanced analog peripherals, USB-C PD integration, and extended temperature resilience for industrial and consumer edge devices.
FAQ
Does STM32G0B1CET6 support crystal-less USB operation?
Yes. The device integrates a factory-trimmed 48 MHz internal RC oscillator (HSI48) qualified for USB 2.0 Full-Speed device operation without an external crystal. This eliminates BOM cost and board space for USB clocking while maintaining ±0.25% accuracy over temperature and voltage - validated per USB-IF test requirements.
What is the maximum operating frequency of the FDCAN controllers?
The dual FDCAN controllers support bit rates up to 5 Mbit/s in CAN FD mode, with programmable timing quanta and automatic retransmission. Each controller operates independently with dedicated message RAM, allowing simultaneous high-speed communication on separate buses without CPU intervention.
How does the USB Type-C Power Delivery controller function without external components?
The integrated PD controller implements full USB PD 3.0 specification including BMC physical layer decoding, policy engine, VCONN switching, and role swap negotiation - requiring only external USB-C connector, E-Marker chip (if needed), and power FETs. No external PD PHY or MCU-side protocol stack is necessary.
Is the 144 KB SRAM fully accessible for application use?
Of the 144 KB SRAM, 128 KB includes hardware parity checking and is fully available for application code and data. The remaining 16 KB is parity-free and usable for non-critical buffers or DMA descriptors. All SRAM remains accessible in Sleep and Stop modes when configured with appropriate retention settings.
STM32G0B1CET6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32G0
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB2.0, USB Type-C™ (Power Delivery)
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 44
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 144K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 17x12b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G0B1CET6 FAQ
1.How can I place an order for STM32G0B1CET6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G0B1CET6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32G0B1CET6 reliable?
The price and inventory of STM32G0B1CET6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G0B1CET6 is usually 5 days.
3.What payment methods are accepted for STM32G0B1CET6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G0B1CET6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G0B1CET6?
STM32G0B1CET6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G0B1CET6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32G0B1CET6?
For technical support, including STM32G0B1CET6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G0B1CET6 requirements.
6.How does Aetrix verify that STM32G0B1CET6 is sourced from the original manufacturer or authorized distributors?
All STM32G0B1CET6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32G0B1CET6 meets industry standards.
7.What is the process for return or replacement of STM32G0B1CET6?
All STM32G0B1CET6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G0B1CET6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32G0B1CET6 part is unused and in its original packaging.
Return procedure for STM32G0B1CET6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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