Schematic for LM2679 5V Module: This LM2679SX-ADJ reference design...

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
14.2k
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
1070TR
Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlink
jharwinbarrozo
700.5k

explain this project.

@copilot explain this project.

11mo

This project is a power supply module that uses the LM2679SX-ADJ, a step-down voltage regulator from Texas Instruments, to output a steady 5V supply from a higher input voltage.

The key elements of the circuit in this project are as follows:

U1 (LM2679SX-ADJ/NOPB): This is the central integrated circuit which steps down a higher voltage to lower 5V

Resistors (R1, R2, R3): They are used in feedback path as potential dividers and as load.

Capacitors (C1, C2, C3, C4, C5): They are used as input and output filters, bypass, and for stability.

Inductor (L1): It's used as the energy storage component in the step down converter.

Diode (D1): It allows the current to flow in the correct direction.

The key nets or traces in this circuit are as follows:

Net a5fad550d214e9378e396d218917cd19 : Connects U1's Soft-Start(SS) pin to decoupling capacitor C4.

Net f1f5c291a445b852dd0b906bfc433b95: Common GND for the components in the circuit.

Net b10de0672f81a3611b3b57db7aad7744: Connects Current Adjust (CURRENT_ADJUST) pin on U1 to one end of a resistor (R1)

Net f118b167e540baf0958db4313b1f3f81: Connects the switching output (SWITCH_OUTPUT) pin on U1 to one end of the diode(D1), inductor(L1) and capacitor(C5).

Net d309928720a5c5dc134f5af121daef50: Connects the input voltage (VIN) to the input (INPUT) pin, and also to one side of input filter capacitors (C1, C3).

Net 5a0e5f7e79d4afb6c78482c324f966a5: Connects the compensation (CB) pin on U1 to a capacitor (C5).

Net 930e72c8c7bac99b072dfb3adf9116b2: Connects the feedback (FB) pin on U1 to a connection of resistors (R2, R3) and a feedback net(FB).

Net 444d99f640759ed71a9464ec9bacfe24: Connects the other end of inductor(L1) to 5V power net, one side of output filter capacitors (C2) and another end of a resistor(R2).

This design appears to be a reference design for an integrated switch mode power supply module by Texas Instruments, using the LM2679-ADJ component to create a stable 5V output. It's ideal to use in applications where you need a stable 5V output supply. Remember to double-check the chosen components (like capacitors, resistors, inductors, and diode) for their ratings to ensure they meet the input and output requirements.

Please note that for a complete understanding of the project, it's best to have the schematic visualization in conjunction with the provided textual description.

11mo

VIN

Distributor	Qty 1
	Digi-Key	$5.72–$10.71
	LCSC	$11.24
	Mouser	$10.45

Hi! I’m copilot. Think of me like an experienced electrical engineer that can he...

copilot

Hi! I’m copilot. Think of me like an experienced electrical engineer that can help you brainstorm ideas, debug problems, research components, and even make wiring connections for you. Ask me questions like:

@copilot I'm designing a PCB for a medical device that measures heart rate and temperature. Can you give me the list of components I will need?

@copilot How would I connect these parts to make the LED flash at 1kHz?

@copilot can you choose 4 digital pins on the ATMega328P-AU that I have here to use as GPIO given that I am already using some pins for reset, the external clock, UART, and I2C.

Reach me at any time by tagging me on comments or in the chat with my handle, @copilot.

11mo

Someone is typing...

Des	Net	Des	Net
DAP	GND		—
DAP	GND		—
DAP	GND		—
DAP	GND		—
	—	Trace 22ab	GND
	—	Trace 3e14	GND
Trace 0169	GND		—
	—	Trace 6594	GND
	—	Trace a2c9	GND
	—	Trace 22ab	GND
	—	Trace 3e14	GND
Trace 0169	GND		—
	—	Trace 6594	GND
	—	Trace a2c9	GND
	—	Trace 511f	GND
	—	Trace 22ab	GND
	—	Trace 3e14	GND
Trace 0169	GND		—
	—	Trace 6594	GND
	—	Trace a2c9	GND
	—	Trace 22ab	GND
	—	Trace 3e14	GND
Trace 0169	GND		—
	—	Trace 6594	GND
	—	Trace a2c9	GND

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

	Designators	Net
	+5V, P2	Net (C2 - P1)
	INPUT, VIN	Net (C1 - P1)

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mounika / LM2679 5V Module

Schematic

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