colhany

EGYPT • + Follow

Mohamed Ayman

EGYPT
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Tools, APP Software Used etc.

Altium

Description

3.3V/5A DC-DC Converter

This is a very efficient DC-DC buck converter, based on the LM3150MH Synchronous Step-Down Controller IC from Texas Instruments.

It has a wide range of input voltages from 6 to 42V and a fixed output of 3.3V/5A.

I make this PCB as I wanted to get more familiar with power supply and converter design.

Aside from keeping efficiency in mind, and adding extra components for improved efficiency, thermal efficiency was also put in mind, by using thermal vias and techniques to improve heat dissipation.

This design was made for a double-layer PCB for reduced cost and ease of manufacturing.

The converter could be used to power small things like an ESP32 microcontroller, and also more current demanding components.

Schematic and Layout

Buck Converter Schematic

SMPS_BUCK.SchDoc

Download Gerbers Download BOM(Bill of materials)

Oct 11,2021

2,501 views

3.3V/5A DC-DC Converter

A very efficient DC-DC buck converter, with an output of 3.3V/5A and a wide range of input voltage from 6 to 42VDC.

2501

Published: Oct 11,2021

Standard PCB

Download Gerber file 44

BOM(Bill of materials)

*Due to unresolved design issues with this PCB, orders cannot be placed at this time. We appreciate your understanding.

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Topic

Hardware

ESP32

Power Supply

4th PCB Design Contest-Free Theme buck converter power supply DC-DC switched mode power supply smps

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Altium

3.3V/5A DC-DC Converter

3.3V/5A DC-DC Converter

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