Schematic for Raspberry Pi Pico 2 Shield Template: This is the...

Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
Net Portal
A net identifier used to create connectivity to other Net Portal with the same designator. #portal
jharwinbarrozo
43.0M
Power Net Portal
Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
jharwinbarrozo
11.4M
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
A generic fixed capacitor 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 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
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
14.4k
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M

Power Supply and Control Integration

3 months

Hello i want an integration of a power supply from 5-50V as an input i want decoupled in and output, an rs485 connectivity and Ethernet fpór Ethercat. i want severeal outputs with mosfests to control bldcs and LEDs and also 2 stepper outputs

copilot

3 months

Using

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I can help outline the overall design. I’ll ask three questions to clarify your requirements. First:

For the power supply section (5–50V in), what maximum load current do you expect? For example, is it low (<1A), moderate (1–5A), or high (>5A)?

You can answer or ask me to assume typical values.

Assume typical load current

Low current expected

Moderate current (1-5A)

High load current (>5A)

tobiasf

3 months

High because the motors have each around 200 Watts (4 motors) and 24V input so it should have cascading input we need 24 v for the motors but we need 5 volts for U1

copilot

3 months

Using

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Thanks for the details. I have two more questions to help clarify your design:

For the RS485 and Ethernet/EtherCAT interfaces:
- How many RS485 interfaces do you need?
- For EtherCAT, do you have a preferred PHY/transceiver or additional interface specifics?
Regarding the MOSFET outputs and stepper outputs:
- How many MOSFET channels do you need for driving the BLDCs and LEDs?
- Could you provide more details on the stepper outputs (e.g., voltage/current ratings, driver style)?

Feel free to answer or ask me to assume typical values.

RS485 and EtherCAT details

MOSFET and Stepper details

tobiasf

3 months

2 rs485, no specific. but i also need a integrated wifi with 2 external antennas. it shall all be insdustrial standard.

4 bldc and 2 LED bldc 200 watt each 24V and the Led 50 Watt each. also 24V for the stepper it shall be closed loop driver with 24V and max 8 A output

copilot

3 months

Using

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Below is an overall design architecture suggestion based on your requirements. You can use these schematic suggestions to guide component selection and net organization in your project:

Proposed System Blocks

Table

Block	Function	Comments/Considerations
Wide Input Power Stage	Accept 5–50V DC, with proper input filtering and decoupling.	Use industrial-grade filtering/protection.
24V Rail Power Supply	Step down from the wide input to a stable 24V rail to power motors, LED outputs, BLDC drivers, and stepper drivers.	Select an industrial buck converter rated for high current (total power for 4×200W BLDCs, 2×50W LEDs, and stepper drivers).
5V Rail Power Supply	Generate a regulated 5V supply for logic (e.g. U1).	Use a dedicated buck converter and add decoupling at input/output.
BLDC & LED Driver Outputs	Provide 4 MOSFET-driven channels for BLDC motors (each ~200W at 24V) and 2 MOSFET-driven channels for 50W LEDs (at 24V).	MOSFETs should be rated above the motor currents. Decoupling networks and proper heat-sinking required.
Stepper Drive Outputs	2 closed-loop stepper motor drivers rated for 24V and up to 8A output each.	Ensure drivers include feedback sensing for closed-loop operation; consider overcurrent and thermal protection circuits.
Communications Subsystem	Integrate: - 2 RS485 transceivers (with proper termination and industrial isolation if needed)- EtherCAT Ethernet interface standard- Integrated industrial WiFi module supporting dual external antennas	For RS485 and EtherCAT, use industrial-grade transceivers and PHYs. For WiFi, select a module engineered for robust industrial use. Decoupling and proper impedance matching on RF traces/antennas is essential.

Integration Considerations

Power Supply Decoupling:
- Place decoupling capacitors both at the input and the outputs of the buck converters.
- Ensure each supply rail (24V and 5V) has local bypass networks close to loads (motor drivers, microcontroller, communication modules).
Interface Isolation & Signal Integrity:
- Use RS485 transceivers with differential termination networks.
- For EtherCAT, follow the recommended layout for industrial Ethernet and include proper magnetic isolation if required.
- For WiFi, add a matching network for the dual external antennas; ensure layout follows RF guidelines.
Motor & LED Driver Outputs:
- Separate the output stages for BLDC motors and LED channels.
- Use dedicated MOSFET drivers (or MOSFET H-bridge topologies if bidirectional control is required) with ratings that exceed the nominal load (for BLDC ~10A rated devices, for LEDs similar protection).
- Include proper dead-time and switching frequency control if using PWM control.
Stepper Motor Drivers:
- Implement closed-loop drivers that can measure current or position for feedback.
- Include overcurrent protection and cooling for the 8A outputs.
- Signal conditioning (decoupling, proper GPIO drive from U1) is essential.
Industrial Standards:
- Choose components rated for industrial environments (extended temperature ranges, robust connectors, etc.).
- Follow proper layout practices (ground planes, trace width for high currents, separation of power and signal layers).

Next Steps

Component Selection:
- Identify appropriate industrial buck converters for the 24V and 5V supplies.
- Search for industrial-grade MOSFET driver modules, closed-loop stepper driver modules, RS485 transceivers, EtherCAT Ethernet PHY modules, and WiFi modules with dual-antenna support using the Flux part library (search for buck converter, search for MOSFET driver, etc.).
Schematic Updates:
- Add power supply conversion circuits with necessary decoupling networks.
- Insert the communication interfaces (2×RS485, one EtherCAT port, integrated WiFi module) with proper terminations and layout considerations.
- Add MOSFET driver circuits for 4 BLDC and 2 LED channels.
- Add 2 stepper driver blocks with closed-loop control.

You can iterate the design details by selecting specific parts through the library search in Flux. Let me know if you would like more guidance on any particular block or suggestions for specific components.

Select power components

Select communication modules

Select motor drivers

tobiasf

3 months

apply changes

copilot

3 months

Using

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Below is a summary of schematic and system integration changes based on your requirements. You can use the "Apply changes" button to add these design notes to your project as a reference for component selection and future schematic updates:

Proposed System Integration Summary

Power Supply & Decoupling:
- Wide Input Stage: Accept an input voltage from 5 to 50 V with appropriate input filtering and decoupling.
- 24V Rail: Step down the wide input to a stable 24 V rail for powering all high-current elements:
  - 4 BLDC outputs: Each rated for approximately 200 W (industrial-grade buck converters and filtering).
  - 2 LED outputs: Each rated at 50 W.
  - Stepper Motor Drivers: Providing 24 V with up to 8 A per output for closed-loop operation.
- 5V Rail: Provide a regulated 5 V rail to power U1 and associated logic, with proper decoupling.
Communication Interfaces:
- RS485: Integrate 2 RS485 transceivers (include proper differential termination and industrial isolation as needed).
- Ethernet/EtherCAT: Include an EtherCAT Ethernet interface (select an industrial-grade PHY if available).
- WiFi Module: Add an integrated industrial WiFi module engineered for robust operation with dual external antennas.
Driver Outputs:
- BLDC & LED Drivers:
  - 4 MOSFET channels for driving BLDC motors.
  - 2 MOSFET channels for the LED loads.
  - Ensure all MOSFETs are rated above the load requirements (anticipate current surges and include proper heat-sinking).
- Stepper Motor Drivers:
  - 2 closed-loop stepper drivers rated for 24 V and up to 8 A outputs.
  - Implement feedback sensing along with overcurrent, thermal, and decoupling considerations.
Industrial Reliability:
- Use industrial-grade components for power, communication, and control.
- Ensure all interfaces have proper decoupling, isolation, filtering, and layout considerations per industrial standards.

These changes outline a design architecture that matches your functional requirements for high-power motor control, industrial communication interfaces, and reliable operation in an industrial environment. Click Apply changes to integrate these system-level design notes into your project documentation.

Apply changes

tobiasf

3 months

To move forward with these modifications, you can use the "Apply changes" button. This will incorporate the suggested design architecture and component considerations into your project documentation within Flux. Let me know if you need further assistance or want to refine specific parts of the design.

copilot

3 months

Using

General

Chat History

Project

The design architecture summary is now ready for integration. To move forward, simply use the Apply changes button in Flux to incorporate these design notes into your project documentation. Let me know if you'd like to refine specific sections or need further assistance.

Move forward with design

Need specific help

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jharwinbarrozo / Raspberry Pi Pico 2 Shield Template

Schematic

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