Schematic for Laser: Laser (Nichia NUBM35 455nm 67W)to 120w...

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please explain what TP3 does.

nickski

@copilot please explain what TP3 does.

11mo

copilot

Certainly! TP3 is a test point component in your schematic. Test points are used in electronic circuits to provide an accessible location on the board where measurements can be taken during testing and debugging.

In your project, TP3 has a single pin designated as "1", and it's part of the net labeled as Net 9. This net includes several other components, suggesting that it might be part of a common power or signal distribution path in your circuit. Specifically, it's connected to components such as the 3.3V rail, various capacitors, and other integrated circuits, which might indicate it's used for a 3.3V power distribution testing point.

If you have specific testing requirements for your project, TP3 would be a place to probe or inject signals to verify functionality. Let me know if you need any more details about its role in the schematic!

11mo

frankk

the Tp are only testpoint the U1 is de uC, ich habe to programe it for the themperatur protection of de laser diode and the batery underlowvoltag proteccton and the laser outputpower

11mo

copilot

Great! You're integrating the MCP4725A0T-E/CH DAC for analog output control and the MCP9808-E/MS temperature sensor into your design. Let's sort out the connections, assuming you want to interface these components with an ESP32-C3_SUPERMINI as the microcontroller, which includes various GPIOs and an I2C interface.

MCP4725 DAC ( $IC2$ )

Power Supply Connections:
- Connect $IC2:VDD$ to $3,3V$ :P1.
- Connect $IC2:VSS$ to $GND$ :1.
I2C Data Lines:
- Connect $IC2:SDA$ to $SDA$ :P1.
- Connect $IC2:SCL$ to one of the $SCL$ .

Generic I2C Network

Connect $IC2:SDA$ to $SDA$ :P1, $U7:SDA$ , $U5:SDA$ , $U11:SDA$ , and $U12:SDA$ .
Connect $IC2:SCL$ to $SCL$ :P1, $U7:SCL$ , $U5:SCL$ , $U11:SCL$ , and $U12:SCL$ .

Temperature Protection - $MCP9808$

Power, Data and Address Connections ( $U12$ ):
- Connect $U12:VDD$ to $3,3V$ :P1.
- Connect $U12:GND$ to $GND$ :1.
- Connect $U12:SDA$ to $U1:GPIO8$ .
- Connect $U12:SCL$ to $U1:GPIO9$ .
- You can use address pins $U12:A0$ , $U12:A1$ , and $U12:A2$ to set the I2C address. If you're not using them for multiple devices, you can connect these to $GND$ .

Battery Undervoltage Protection

For battery undervoltage protection, you can use the

INA237AQDGSRQ1

current sensor (

U5

Power Supply Connections:
- Connect $U5:VS$ to $3,3V$ :P1.
- Connect $U5:GND$ to $GND$ .
I2C Data Lines:
- Connect $U5:SDA$ to $U1:GPIO8$ .
- Connect $U5:SCL$ to $U1:GPIO9$ .
Voltage Measurement:
- Connect $U5:IN+$ to $R9:1$ , $R6:1$ , $C6:P1$ , and $J:2$ .
- Connect $U5:IN-$ to $C6:P1$ , $Q1:G$ , $R2:2$ , $R3:2$ .

Temperature Protection

For the

MCP9808-E/MS

temperature sensor

U7

Power Supply Connections:
- Connect $U7:VDD$ to $3,3V$ :P1.
- Connect $U7:GND$ to $GND$ .
I2C Data Lines:
- Connect $U7:SDA$ to $U1:GPIO8$ .
- Connect $U7:SCL$ to $U1:GPIO9$ .

Regarding the Laser Diode Output Power: For controlling the laser output power, the DAC

IC2

can be utilized. The output voltage from the DAC can be used to control the gate of a MOSFET, like

Q1

Q2

, which in turn will control the current going to the laser diode.

Here's a basic connection layout for

IC2

Connect $IC2:VOUT$ to $Q1:G$ or $Q2:G$ .

Make sure to configure the microcontroller’s GPIOs for I2C communication, and use pull-up resistors on the SDA and SCL lines, typically around 4.7kΩ, to ensure proper signal integrity.

If you have any specific questions or need further details, feel free to ask!

11mo

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Reviews

Electrical Rule Checks

Duplicate Designators • 1

	Components
	J, J

Reports components with identical designators.

No-Connect Violation

Reports no-connect pins that are connected.

Pin-to-Pin Conflicts

Reports incompatible pin connections on the same net based on electrical pin types.

Shorted Components

Reports any 2-pin component with both pins connected to the same net.

Missing Power • 3

	Pin	Net
	U8:VCC	Net 38
	U10:VIN	—
	U5:VBUS	Net 18

Reports power input pins that are not connected to a power source.

Single Pin Nets • 1

	Net	Pin
	Net 14	Q2:S

Reports nets that have only one pin connected.

Missing Designator

Reports components without a designator.

Design Rule Checks

Overlapping Copper • 18

Des	Net	Des	Net
Q1:S	GND	Q1:2b462245	None
Q1:S	GND	Q1:2b462245	None
Q1:S	GND	Q1:2b462245	None
Q1:S	GND	Q1:2b462245	None
U9:1	Net 4	U1:GPIO10	Net 19
R33:2	Net 9	U1:GPIO20	None
Q2:S	Net 14	R30:1	GND
Q2:S	Net 14	R30:2	Net 39
Q2:S	Net 14	Q2:2c98dd86	None
Q2:S	Net 14	Q2:2c98dd86	None
Q2:S	Net 14	Q2:2c98dd86	None
Q2:S	Net 14	Q2:2c98dd86	None
U12:SCL	Net 15	R8:2	GND
U12:SDA	Net 17	R8:2	GND
Q2:2c98dd86	None	R30:1	GND
Q2:2c98dd86	None	R30:2	Net 39
Q2:2c98dd86	None	R30:2	Net 39
U12:ALERT	None	R8:2	GND

Reports copper elements that are shorting.

Invalid Layer

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

Component Overrides

Reports components that have been modified using the "!important" flag.

Airwires • 127

	Designators	Net
	C1:P1, U5:GND	GND
	C2:P2, R2:1	GND
	C4:P1, D3:A	GND
	C5:P1, C1:P1	GND
	C11:P1, R32:1	GND
	D1:A, R2:1	GND
	D2:A, C3:P1	GND
	D3:A, U12:GND	GND
	IC2:VSS, IC2:A0	GND
	J3:Pin_1, R17:2	GND
	Q1:S, R2:1	GND
	R8:2, U11:GND	GND
	R8:2, U12:GND	GND
	R17:2, D1:A	GND
	R19:1, C3:P1	GND
	R19:1, R20:1	GND
	R20:1, R18:1	GND
	R30:1, R31:1	GND
	R30:1, U11:GND	GND
	R32:1, R31:1	GND
	U1:GND, TP4:1	GND
	U2:VEE, R31:1	GND
	U7:GND, J:-	GND
	U7:GND, R20:1	GND
	Via-1-2:Via-1-2, D2:A	GND
	Via-4-1:Via-4-1, U5:GND	GND
	R14:1, C2:P1	Net 1
	R14:1, J2:Pin_3	Net 1
	U2:VCC, J2:Pin_3	Net 1
	U1:GPIO21, R1:1	Net 2
	Q1:D, J2:Pin_4	Net 3
	U9:1, J1:Pos	Net 4
	R3:2, Q1:G	Net 5
	R3:2, R2:2	Net 5
	R3:1, U2:VO	Net 6
	U2:A, R1:2	Net 7
	R4:1, C3:P2	Net 8
	U3:1, R4:1	Net 8
	U3:1, U1:GPIO6	Net 8
	C1:P2, U5:VS	Net 9
	C5:P2, C1:P2	Net 9
	C5:P2, R24:1	Net 9
	C8:P2, PS1:+VOUT	Net 9
	C10:P2, R34:2	Net 9
	C11:P2, R23:1	Net 9
	C11:P2, R29:2	Net 9
	IC2:VDD, C8:P2	Net 9
	IC2:VDD, C10:P2	Net 9
	PS1:+VOUT, U7:VDD	Net 9
	R21:2, R22:2	Net 9
	R21:2, U7:VDD	Net 9
	R23:1, R24:1	Net 9
	R28:2, U11:VDD	Net 9
	R29:2, R28:2	Net 9
	R33:2, R34:2	Net 9
	R33:2, U1:3V3	Net 9
	R34:2, C11:P2	Net 9
	Taster:Pin_3, U12:VDD	Net 9
	TP3:1, U1:3V3	Net 9
	U12:VDD, R28:2	Net 9
	Taster:Pin_2, R4:2	Net 10
	D2:C, R5:1	Net 11
	D2:C, TP:1	Net 11
	TP:1, U1:GPIO5	Net 11
	J3:Pin_2, R5:2	Net 12
	D3:C, R6:1	Net 13
	R7:2, D3:C	Net 13
	IC2:SCL, R34:1	Net 15
	IC2:SCL, U7:SCL	Net 15
	R23:2, R29:1	Net 15
	R23:2, U5:SCL	Net 15
	R29:1, U11:SCL	Net 15
	R34:1, R23:2	Net 15
	R34:1, U1:GPIO9	Net 15
	U7:SCL, R22:1	Net 15
	U12:SCL, U11:SCL	Net 15
	C6:P1, U5:IN–	Net 16
	R9:1, U5:IN–	Net 16
	U5:IN–, J:+	Net 16
	IC2:SDA, R33:1	Net 17
	IC2:SDA, U7:SDA	Net 17
	R21:1, U7:SDA	Net 17
	R24:2, U5:SDA	Net 17
	R24:2, U11:SDA	Net 17
	R28:1, U11:SDA	Net 17
	R33:1, U1:GPIO8	Net 17
	R33:1, U11:SDA	Net 17
	U12:SDA, R28:1	Net 17
	C6:P2, U5:IN+	Net 18
	J:+, R9:2	Net 18
	R6:2, R9:2	Net 18
	R6:2, U5:IN+	Net 18
	U5:IN+, U5:VBUS	Net 18
	J2:Pin_1, U1:GPIO10	Net 19
	U4:1, J1:Neg	Net 22
	R14:2, J2:Pin_2	Net 23
	R14:2, R16:1	Net 23
	PS1:+VIN_(VCC)_2, PS1:+VIN_(VCC)_1	Net 24
	C4:P2, R8:1	Net 26
	R7:1, C4:P2	Net 26
	R16:2, D1:C	Net 27
	U7:A2, R18:2	Net 29
	U7:A2, RDT:Pin_3	Net 29
	U7:A1, R19:2	Net 30
	U7:A1, RDT:Pin_2	Net 30
	U7:A0, R20:2	Net 31
	U7:A0, RDT:Pin_1	Net 31
	R15:2, R17:1	Net 32
	R17:1, U1:GPIO4	Net 32
	R26:2, R25:1	Net 36
	R26:2, U8:VL	Net 36
	R26:1, R27:2	Net 37
	R26:1, U8:VH	Net 37
	C9:P2, R27:1	Net 38
	U8:VCC, R27:1	Net 38
	R30:2, J4:Pin_2	Net 39
	R30:2, U11:A1	Net 39
	J4:Pin_3, U11:A2	Net 40
	R32:2, J4:Pin_3	Net 40
	J4:Pin_1, U11:A0	Net 41
	R31:2, J4:Pin_1	Net 41
	J5:Pin_2, R35:2	Net 42
	R35:2, U12:A1	Net 42
	J5:Pin_1, R36:2	Net 43
	U12:A0, R36:2	Net 43
	J5:Pin_3, U12:A2	Net 44
	R37:2, J5:Pin_3	Net 44

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

Detect any via, trace or copper fill island that is not connected to any net.

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 • 2

	Designator	MPN
	J2	None
	J3	None

Reports components that have no manufacturer part number.

Parts Available

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Checks that all components are available from distributors.

System Checks

Auto-Layout

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

Passive Components

Resistor Power Rating

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

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Pull Up/Pull Down Presence

Beta

Checks that IC pins that require pull up or pull down resistors have them.

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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
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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
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15.3k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
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1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
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1.2M
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1.1M

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