Power switching system

Realization of a power supply board with four switches for switching between several power sources.

Check list

• Analysis of the specifications
• Choice of components and case
• Order components
• Validation of the schematic
• Definition of the PCB outline from the internal dimensions of the case
• Validate component placement and lock footprints
• Routing validation
• Screen printing validation
• Generating design files
• Assembly of components on the PCB
• Functional test of the electronic board and validation of the specifications
• Integration of the electronic card in the case
• Final test and document review
• Device delivery

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Tools used

KiCad

KiCad EDA - Schematic Capture & PCB Design Software, version: 5.1.7

Open source EDA / electronics CAD software for Windows, macOS and Linux.

FreeCAD - 3D parametric modeler

FreeCAD, version: 0.18.4

Electrical diagram

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Integration into the housing

Hammond 1599HGYBAT

Enclosure - plastic, size: 220 mm x 110 mm x 44 mm (L x W x H)

PCB outline, size: 213,00 mm x 96,60 mm (L x W), from FreeCAD

Component placement and silk screen

Placement	Silk screen
F.Mask + Edge.Cuts + F.CrtYd + F.Fab	F.SilkS + Edge.Cuts

Placement and Silk screen
F.SilkS + F.Mask + Edge.Cuts + F.CrtYd + F.Fab

Top - Front Copper layer

Bottom - Back Copper layer

3D rendering

Integration of the electronic card in the case with the FreeCAD software

Sectional view

View of final STEP file for CNC

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CHANGELOG