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Work done
  • Removed BMI270 and locked to U2
  • Added USB-C UFP with CC resistors (R14, R15) and ESD diode (D3)
  • Implemented ideal-diode power-mux (U7)
  • XT60 input protection: Q1, D1, fuse (F1)
  • VBAT divider (R9, R10) and current sense (U8)
  • SWD, RESET, BOOT pin wiring (R7/R8)
  • JST-GH connectors added for ESC×6, GPS, SBUS, Telemetry 1/2, AUX 1/2 with ESD/TVS
  • Decoupling capacitors placed on all high-speed and analog ICs (C1–C27)
  • Buck converter (U6, L1, C26–C27) and LDO (U5, R11–R13, C15–C17) subsystems implemented
  • Board outline set to 46.0 mm × 46.0 mm
Remaining tasks
  • Incorporate AGND stitching and place high-current/sensitive signal test points
  • Assign footprints to generic resistors, capacitors, inductors
  • Configure a 4-layer stackup with dedicated power and ground planes
  • Define copper fills for GND net
  • Add and place mounting-hole footprints at corners
  • Run ERC on the schematic and DRC on the PCB
  • Complete BOM availability review
Success criteria review
  • ✅ Schematic features all primary ICs, power-mux and protection circuits
  • ⚠️ PCB unfinished: stackup, footprint assignment, mounting holes, ERC/DRC pending
  • ⚠️ BOM availability not yet verified
Next step Assign footprints to all generic passive components and configure the 4-layer stackup to enable proper ground and power planes.
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create a high level mermaid block diagram of this project. Include key component...
cyberdaemon

cyberdaemon

@copilot create a high level mermaid block diagram of this project. Include key component's manufacturer part number in each block whenever possible.
1y

copilot

To create a high-level Mermaid block diagram for this project, we'll organize the STM32H743VIT6 microcontroller as the central component and highlight connections to various peripheral elements. Since the specific peripheral elements and their connections to the STM32H743VIT6 are not detailed in your project description, I'll assume a generic setup with common components and interfaces for such a microcontroller-based system. You can refine the diagram as needed based on your specific peripheral and connectivity requirements.
Here's a generic Mermaid block diagram representation for your project:

Image

GPIO
UART
SPI
I2C
ADC
USB
Power
STM32H743VIT6 (STMicroelectronics)
LEDs (Generic)
UART Device (Generic)
SPI Sensor (Generic)
I2C Device (Generic)
Sensor (Generic)
USB Interface (Generic)
Power Supply (Generic)
Let's briefly describe each block:
  • STM32H743VIT6 (STMicroelectronics): The central processing unit of the project, capable of running at 480MHz with 2MB of flash memory.
  • GPIO: General-Purpose Input/Output ports for interfacing with LEDs or other simple input-output devices.
  • UART Device: A generic UART communication interface for serial communication with devices like serial monitors, debuggers, or Bluetooth modules.
  • SPI Sensor: Represents a generic SPI device, which could be a sensor or any SPI-enabled component.
  • I2C Device: A block for any I2C peripheral, such as an EEPROM, sensors, or an I2C LCD.
  • Sensor: A generic analog sensor connected through one of the ADC channels of the STM32H7.
  • USB Interface: A USB connectivity option for communication with computers or USB host devices.
  • Power Supply: Power management block for providing the necessary voltages to the STM32H7 and other components.
This is a high-level overview, and you'll need to detail the connections (e.g., which GPIOs are used for LEDs or which UART is used) based on your specific requirements and the capabilities of the STM32H743VIT6.
1y
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  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
    jharwinbarrozo
    15.1k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

Inspect

STM32H743VIT6

STM32H743VIT6
Description

Created
Last updated by vasy_skral
1 Contributor(s)
vasy_skral

Controls

Properties

System Architecture Diagram
flowchart TD XT60["XT60 6S Input"] USB["USB-C 5V Input"] PMUX["USB/XT60 Power-Mux"] Buck["6S-rated Buck Converter"] LDO["3.3V LDO Regulator"] MCU["STM32H743 MCU"] VBAT_DIV["VBAT Divider Circuit"] CUR_IN["60A Current Sense + CUR_IN ADC"] ESCx6["ESC x6 JST-GH Outputs"] GPS["GPS JST-GH"] SBUS["SBUS JST-GH"] TEL1["Telemetry 1 JST-GH"] TEL2["Telemetry 2 JST-GH"] AUX1["AUX 1 JST-GH"] AUX2["AUX 2 JST-GH"] IMU["ICM42688 IMU"] BARO["MS5611 Barometer"] COMPASS["IST8310 External Compass (JST-GH)"] QSPI["S25FL064LA QSPI Flash"] OSC_HSE["8 MHz HSE Crystal"] OSC_LSE["32.768 kHz LSE Crystal"] XT60 --> PMUX USB --> PMUX PMUX --> Buck Buck --> LDO LDO --> MCU XT60 --> VBAT_DIV VBAT_DIV --> MCU XT60 --> CUR_IN CUR_IN --> MCU MCU --> ESCx6 MCU --> GPS MCU --> SBUS MCU --> TEL1 MCU --> TEL2 MCU --> AUX1 MCU --> AUX2 MCU --> IMU MCU --> BARO MCU --> COMPASS MCU --> QSPI MCU --> OSC_HSE MCU --> OSC_LSE
Compass Strategy
External IST8310 magnetometer via connector
Domain
Aerospace
Manufacturer Name
https://www.st.com/
Manufacturer Part Number
STM32H743VIT6
Selected IMU
ICM42688
IMU Noise Comparison
BMI270: Accelerometer noise ~90 μg/√Hz; Gyroscope noise ~0.007 °/s/√Hz. ICM42688: Accelerometer noise ~75 μg/√Hz; Gyroscope noise ~0.004 °/s/√Hz. Overall, ICM42688 offers lower noise performance.
Board Outline Dimensions Including Margin
46.0 mm x 46.0 mm
Next Step Hint
Proceed to PCB planning: confirm 4-layer stackup, determine board outline from current component extents, define mounting hole strategy, and then begin component placement with priority on IMU and barometer proximity to MCU and analog ground.
Power Subsystem Architecture Version
USB-C + XT60 6S with power-mux, buck to 5V, LDO to 3V3, VBAT divider and 60 A current sense into MCU ADC
Review Status
Schematic and core architecture defined; ready for layout planning.
Part Type
Microcontroller
Designator Prefix
U

Availability & Pricing

DPNStockQty 1
10$8.823
14.6K$15.92
20$6.5305–$7.16
15.6K$14.50
190$15.63
102–9.3K$6.5745–$19.8367

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