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Name: STM32G474CBT3
Brand: STMicroelectronics
SKU: STM32G474CBT3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics STM32G474CBT3

Part No.:: STM32G474CBT3

Manufacturer:: STMicroelectronics

Package:: 48-LQFP

Datasheet:

Description:: IC MCU 32BIT 128KB FLASH 48LQFP

In Stock:: 3967

Quantity:: Add To Cart

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STM32G474CBT3 Specifications

Package/Case:
48-LQFP
Packaging:
Tray
Series:
STM32G4
RoHS:
RoHS
Speed:
170MHz
RAM Size:
128K x 8
Core Size:
32-Bit
EEPROM Size:
-
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Connectivity:
CANbus, I²C, IrDA, LINbus, QSPI, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
38
Core Processor:
ARM® Cortex®-M4F
Data Converters:
A/D 20x12b; D/A 7x12b
Oscillator Type:
Internal
Program Memory Size:
128KB (128K x 8)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 125°C (TA)

STM32G474CBT3 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including STM32G474CBT3 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for STM32G474CBT3 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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STM32G474CBT3 information

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STM32G474CBT3 Typical application Circuitry

STM32G474CBT3

The STM32G474CBT3 is a robust microcontroller from STMicroelectronics, part of the STM32G4 series. It is centered around the ARM Cortex-M4 core with a Floating Point Unit (FPU), tailored for applications that necessitate a blend of intensive computational capabilities, precise digital signal processing, and low power consumption. Its typical applications encompass innovative motor control systems, intricate power management solutions, and sophisticated sensor networks in both industrial and consumer products.

Application Scenario: Advanced Digital Power Supply

In this scenario, the STM32G474CBT3 is utilized as the main controller within a digital power supply unit, responsible for monitoring and regulating voltage and current, ensuring efficiency, and providing system safety through intelligent control.

Detailed Circuit Connection:

1. Establishing Power Supply:

- The STM32G474CBT3 operates efficiently within a voltage range of 1.7V to 3.6V.

- Connect a stable 3.3V power source to the VDD pins and ensure that the VSS pins are grounded.

2. Voltage and Current Monitoring (ADC Inputs):

- Interface the voltage sensing outputs to ADC input pins of the STM32G474CBT3 (e.g., PC0 - ADC123_IN10).

- Connect current sensing outputs to another set of ADC input pins (e.g., PC1 - ADC123_IN11).

- Configure the ADC precision and sampling rate appropriately in the firmware.

3. Output Regulation (PWM Output):

- Use PWM-capable GPIO pins (e.g., PA8 - TIM1_CH1) to control power electronic switches for output regulation.

- Implement proper gate driving circuits and ensure that the PWM signals are accurately generated based on the control algorithm.

4. User Interface Communication (USART/I2C/SPI):

- If a user interface is present, utilize communication interfaces like USART, I2C, or SPI for data exchange.

- For USART, connect the TX and RX pins (e.g., PA9 - USART1_TX, PA10 - USART1_RX) to the corresponding interface of the display or communication module.

5. Programming and Debugging (SWD Interface):

- Align the SWDIO pin (e.g., PA13) of the STM32G474CBT3 with the SWDIO of your debugger.

- Connect the SWCLK pin (e.g., PA14) to the SWCLK of the debugger.

- Ensure that VDD from the debugger and the STM32G474CBT3 are connected, and a common ground is established.

Design Considerations:

1. Precision in Sensing: Guarantee accurate voltage and current measurements by employing proper filtering and shielding techniques, especially vital in the noisy environment of a power supply.

2. Thermal Management: Efficiently manage the heat dissipation, particularly around power switching elements and the STM32G474CBT3 itself.

3. Safety and Protection: Implement robust firmware algorithms to detect and react to over-voltage, over-current, or overheating conditions promptly.

4. EMI Considerations: Design the PCB and choose components judiciously to minimize electromagnetic interference, ensuring stable operation and regulatory compliance.

To conclude, the STM32G474CBT3 is an exemplary choice for managing sophisticated digital power supply systems, ensuring precise control, efficient power conversion, and system safety. The success of such systems heavily relies on meticulous attention to detail in sensor accuracy, thermal management, system protection mechanisms, and mindful design to mitigate electromagnetic interference.

STM32G474CBT3 FAQ

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6. What is the process for return or replacement of STM32G474CBT3?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the STM32G474CBT3 we delivered, we will accept the replacement or return of the STM32G474CBT3 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of STM32G474CBT3.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations