Schematic Symbol for V3_AM_Akrasia_2

Schematic Design Issue Analysis

markman

what would be a similiar option with less voltage drop

306 days

flux

0:32

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Project

For lower forward‐voltage options at 5A while still keeping a similar package size, you have two routes:

Discrete Schottky Diode:
A candidate to consider is the SS36 Schottky diode which is rated for 5A at 40V. Compared to other options in this package, the SS36 typically offers a forward voltage drop in the vicinity of about 0.55V at 5A—noticeably lower than the 0.7–0.9V drop seen in some alternatives.
Ideal Diode Controller:
For even lower effective voltage drop, you can consider an ideal diode solution using an ideal diode controller (such as the LTC4412) paired with an external MOSFET that has a very low Rds(on). This solution can reduce the drop to only the resistive loss of the MOSFET (often on the order of tens of millivolts) but does require additional external components and a slightly more involved design.

If you prefer a simple drop-in replacement in the same SMA package with a reduced voltage drop, the SS36 is a good discrete diode option. Otherwise, for the lowest voltage drop while still preventing backfeeding, an ideal diode circuit might be the best choice.

Would you like additional guidance on implementing an ideal diode solution or further details on the SS36?

Lower VF Schottky Diode

Explore Ideal Diode Solution

Schottky Voltage Info

306 days

Ready.

TMC2209

explain this project.

markman

@copilot explain this project.

10mo

copilot

This project, named V3_AM_Akrasia_2_JLC, seems to be a PCB design intended for a specific application. It involves various components and connections to achieve its desired functionality. Here are the key components and their roles:

Key Components

U1 - XIAO ESP32S3:
- A microcontroller module by Seeed Studio. It supports multiple GPIO pins and is suitable for controlling other components.
PS2 - TPSM84203EAB:
- A power module from Texas Instruments, typically used for power regulation.
TMC2209 - Stepper Motor Driver:
- Utilized to drive and control stepper motors, indicating a possible application towards motor control or robotics.
PS1 - LDD-700L:
- A power supply component from MEAN WELL USA Inc, likely used to power lighting or LED systems given its specifications.
J1 - Connector:
- A connector facilitating connections between different parts of the circuit or to external components.
C1 and C3:
- Capacitors used for filtering and stabilizing voltages in the circuit.
D1 - Diode SS14:
- Provides protection against reverse voltage or acts as a general rectifier in the circuit.
SW2 and SW3 - Switches:
- Control input likely to toggle between states or modes in the circuit.

Power and Connections

The project operates at a $0V$ operating voltage, which might be an error or placeholder, so be cautious when interpreting power requirements.
Power Nets: Named as +3V3, +12 V OUT, +5V, +12V indicate various voltage levels being used in the system.
Connections among GPIO pins, stepper control pins, power in/out, and signaling connections visible in the project nets section.

Connectivity

STEP and DIR Nets are driving various pins on the TMC2209, indicative of controlling precise motor movements.
UART Net ties the microcontroller for potential communication with other systems.

Notably Missing Information

There are several designators like STEP and DIR marked to be excluded from PCB and BOM, which might indicate virtual nets or signals managed at software level.
Some parts do not have associated Manufacturer Part Numbers and pricing information, hinting they might be placeholders or custom parts.

The project integrates a mix of communication, power regulation, control for motors, and input/output interfacing typical of an embedded control or robotics application. If you have any specific queries or need more in-depth analysis on any component or connection, feel free to ask!

10mo

Someone is typing...

STEP-1

STEP-OUT

L-PWM

STEP

+3V3

PS2

STEP-1

SW2

+12 V OUT

+12V

SW1-IN

SW2-IN

STEP

PS1

STEP-4

SW3

+12V

DIR

STEP-4

+12V

STEP-3

L-PWM

12V-IN

Resistance

1K Ω

UART

SW2-IN

+3V3

+5V

Capacitance

0.1u F

STEP-2

STEP-3

SW1-IN

+5V

DIR

UART

SW1

Capacitance

68u F

Reviews

Electrical Rule Checks

Duplicate Designators

Reports components with identical designators.

No-Connect Violation

Reports no-connect pins that are connected.

Missing Power • 2

	Component
	TPSM84203EAB PS2
	TMC2209_STEPPER_MOTOR TMC2209

Single Pin Nets

Reports nets that have only one pin connected.

Missing Designator • 4

	Component
	M3 Mounting Hole
	M3 Mounting Hole
	M3 Mounting Hole
	M3 Mounting Hole

Design Rule Checks

Overlapping Copper • 5

Des	Net	Des	Net
Trace 0411	Net 11	Trace 4b1e	Net 17
Trace 3829	Net 11	Trace 4b1e	Net 17
D2:A	None	R1:P1	Net 6
D2:A	None	Trace 8972	Net 6
D2:A	None	Trace a2e4	Net 6

Invalid Layer

Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.

Component Overrides • 42

	Designator	Ruleset
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	Via	Override rule for Via
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rules for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rule for ＊｀REF｀＊
	＊｀REF｀＊	Override rules for ＊｀REF｀＊
	＊｀REF｀＊	Override rules for ＊｀REF｀＊
	Silk Shapes	Override rule for Silk Shapes

Airwires

Reports missing routed traces between pads in a net.

Layers with Multiple Fills

Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.

Floating Copper • 1

	Name
	Trace 0411, Trace 3829

Protected Intrusions

Reports intrusions from objects of other nets into polygons or fills that have the Protected layout rule applied.

Missing Footprints

Reports components that need a footprint but don't have one.

Manufacturing

Manufacturer Part Number • 6

	Designator	MPN
	M3 Mounting Hole	None
	M3 Mounting Hole	None
	M3 Mounting Hole	None
	M3 Mounting Hole	None
	+12 V OUT	None
	R1	None

Parts Available

Beta

	Designator	Stock	...
	+12 V OUT	None
	R1	None
	TMC2209	None
	C1	2M
	C3	9k
	D1	19k
	J1	8k
	L1	1M
	L2	1M
	PS1	210
	PS2	1k
	STEP-OUT	482k
	SW1	1M
	SW2	1M
	SW3	1k
	U1	1k

System Checks

Auto-Layout

Beta

Reports issues with Auto-Layout if Flux cannot route something or must ignore a configuration.

Passive Components

Resistor Power Rating

Beta

Checks that the power traveling across a given resistor is under its rating with 50% headroom.

Learn more

Pull Up/Pull Down Presence

Beta

	IC
	+12 V OUT
	J1
	U1
	UART

Capacitor Voltage Rating

Beta

Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
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
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
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 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
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
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
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