Schematic for PS2 PSU-C: PS2 PSU USB C

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
14.3k
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

GND

VOUT_FILL

GND

GND_ON/OFF

VOUT_FILL

Capacitance

180u F

VIN

VOUT

CIN

Capacitance

470u F

OUT

Inductance

68 H

15V

GNDOUT_FILL

Capacitance

105 F

GND_ON/OFF

VIN

GNDOUT_FILL

HEATSINK

GND

GNDOUT_FILL

OUT

Project PS2 PSU-C Overview

baronunread

6 days

Explain this project in detail. Describe its purpose, core components, and how they interact. Break down the design, implementation, and functionality step by step. Highlight key technologies, dependencies, and design choices, including trade-offs and optimizations. Discuss potential challenges, performance considerations, and real-world applications. If applicable, suggest areas for improvement, scalability, and future enhancements.

copilot

6 days

Using

General

Project PCB Layout

Below is an overview of the project based on the current schematic and PCB context:

Project Overview

Name: PS2 PSU-C
Description: PS2 PSU USB C
Purpose:
The project is aimed at designing a regulated power supply that likely converts or regulates voltage for USB-C applications. It is intended to be used for powering PS2 or similar devices via the USB-C form factor, emphasizing a compact and efficient power delivery system.

Core Components and Their Roles

Table

Component Name & Designator	Description & Role	Interaction & Notes
U1 (XL2596S-12E1)	Switching regulator	This is the heart of the PSU. It steps down the input voltage and regulates the output. Its proper operation relies on the supporting components.
CIN and C1	Input and output capacitors	These capacitors are chosen for decoupling and ensuring voltage stability on the input and output sides of the switching regulator.
C2	Additional capacitor for regulation	Provides bulk capacitance and works with [U1] to minimize voltage ripple and noise.
L1	Inductor	Integral to the switching converter circuit, it works together with the regulator and capacitors to maintain current flow and smooth switching currents.
D1 (Schottky Diode)	Diode for protection	Likely used to prevent reverse current, the [D1] diode offers fast recovery characteristics and low forward voltage drop, which aids in efficient conversion.
J1	JST XH header	Serves as the connector interface (possibly for the USB-C connection or control signals), ensuring reliable connections in the design.
Net & Power Portals (e.g., “GND”, “VOUT_FILL”)	Schematic net placeholders	These objects maintain connectivity across the circuit. They ensure that power and signal paths are consistently routed throughout the design.

Design and Implementation Breakdown

Regulation Core:
- The switching regulator ([U1]) is supported by decoupling capacitors ([CIN], [C1], [C2]) and an inductor ([L1]). This combination is common in buck converter topologies.
- The regulator uses feedback (via its FB pin, connected through the network) to control the duty cycle and maintain a stable output voltage.
Signal and Power Routing:
- Net portals are used throughout the schematic to simplify connectivity. These standard objects (marked “Net Portal” or “Power Net Portal”) help route power rails (VIN, VOUT) and ground reliably across the design.
- A dedicated ground component ([HEATSINK] designated as Ground) anchors all ground connections.
Interfacing and Connectivity:
- The JST connector ([J1]) ensures a robust mechanical and electrical connection for external interfaces (for power input or load connection) while keeping the design compact.
- Some text notes (e.g., the “15V” note) indicate design targets or operating voltage hints which may guide testing and verification.
PCB Considerations:
- The layout shows defined pads and trace connections which are essential for minimizing resistance and ensuring proper thermal management.
- The board dimensions and rules (like trace widths, via sizes, and copper fills) are tailored to support power handling and to maintain signal integrity.

Design Choices, Trade-offs, and Optimizations

Switching Regulator ([U1]) Selection:
Advantages include high efficiency and good load regulation despite varying input or output conditions. One trade-off is the increased layout complexity required for proper decoupling and inductor placement.
Component Support Network:
The selected capacitors and inductor values are essential to reduce voltage ripple and noise. Optimizing their placement and sizing (using device datasheets) is crucial, and further improvement might involve fine-tuning these values for optimal transient response.
Use of Portals:
By leveraging net and power portals, the design gains clarity and reliability. However, it requires careful DRC verification to ensure that all nets are correctly defined.
Thermal and Efficiency Considerations:
The careful choice of a Schottky diode ([D1]) helps reduce losses. The board layout, especially around the high-power components, must be designed to dissipate heat effectively.

Potential Challenges and Performance Considerations

Switching Noise and EMI:
High-frequency switching can introduce noise. Adequate filtering and robust layout techniques are needed to mitigate EMI issues.
Thermal Management:
Power losses, even if low, will manifest as heat. Ensuring proper thermal pathways, including ground planes and potential heatsinks, is essential.
Component Matching and Tolerances:
The performance of the PSU largely depends on the accuracy of the supporting passive components. Variations might affect the output stability, calling for careful selection based on manufacturer datasheets.
PCB Layout Complexity:
Routing the high-current traces, especially around the regulator and diode, requires attention to trace widths and spacing to avoid losses and overheating.

Suggestions for Future Enhancements

Enhanced Protection:
Implementing additional protection circuits (overcurrent, overvoltage, thermal shutdown) can increase system robustness.
Optimization of Passive Components:
Performing simulations or on-board testing may lead to fine-tuning the decoupling and filtering networks to improve transient response.
Improved Layout Techniques:
Future versions could benefit from an iterative layout refinement process to further decrease parasitics and enhance thermal management.
Scalability Enhancements:
Consider designing modular sections that can be reused or upgraded to support different power levels or additional functionality such as multi-output options.
Enhanced Documentation:
As the design evolves, detailed simulation and testing data—along with a comprehensive bill of materials—will help with future troubleshooting and scaling.

Real-World Applications

USB-C Power Delivery:
The design could be used in devices where a compact, efficient, and reliable USB-C based power supply is needed.
Portable Power Solutions:
Its efficient switching regulator design makes it suitable for battery-powered and portable electronic devices.
Prototype Development:
This PSU design serves as a platform for further experimentation with power electronics, regulation techniques, and interfacing with modern USB-C devices.

This overview captures the essence of the project based on the current design flow, component selection, and interconnections. Further details would be refined during simulation, testing, and layout reviews as the project advances.

Add project properties

Define power requirements

Select key functional blocks

	Designator	Ruleset
	＊`REF`＊	Override rule for ＊`REF`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	-	Override rule for ＊`REF`＊
	-	Override rule for ＊`REF`＊
	＊`VALUE`＊	Override rule for ＊`VALUE`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	＊`VALUE`＊	Override rule for ＊`VALUE`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	＊`VALUE`＊	Override rule for ＊`VALUE`＊
	-	Override rule for ＊`REF`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	-	Override rule for ＊`VALUE`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	-	Override rule for ＊`REF`＊
	-	Override rule for ＊`REF`＊
	＊`VALUE`＊	Override rule for ＊`VALUE`＊
	-	Override rule for ＊`VALUE`＊
	-	Override rule for ＊`VALUE`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	＊`REF`＊	Override rule for ＊`REF`＊
	-	Override rule for ＊`VALUE`＊
	-	Override rule for ＊`REF`＊

	Layer	Net
	All	Net 6, Net 2, GND

Welcome 👋

Flux helps you build PCBs faster with an AI teammate!

To collaborate on this project, get the latest updates,
or fork your own version, sign up now.

bexinc / PS2 PSU-C

Schematic

... show more