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Dual-Output-Power-Supply-PCB-12V-5V-3.3V-

jayxgithub·Dual-Output-Power-Supply-PCB-12V-5V-3.3V-

Dual-Output-Power-Supply-PCB-12V-5V-3.3V- layout, top view — open source board by jayxgithub
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About the Dual-Output-Power-Supply-PCB-12V-5V-3.3V-

Dual-Output-Power-Supply-PCB-12V-5V-3.3V- is an open source PCB design by jayxgithub, published on GitHub. It is a 4-layer board measuring 69.7 × 47.3 mm, with 28 components from 12 distinct parts.

Other key parts include the LD1117S50TR_SOT223 and LD1117S33TR_SOT223. By type, the board carries 8 capacitors, 4 connectors, 4 fuses, 4 resistors, 2 ICs and 2 transistors.

It belongs with the power & battery and iot & wireless designs in this gallery.

From the project

This project is a dual-output power supply PCB designed in KiCad that converts a 12V DC input into stable 5V and 3.3V outputs using LD1117 linear voltage regulators. It includes fuse protection, filtering capacitors, LED indicators, and multiple connectors, making it suitable for embedded systems, IoT devices, and microcontroller applications.

This project is a custom-designed PCB power supply module created using KiCad, which efficiently converts a 12V DC input into regulated 5V and 3.3V outputs.

It is designed for use in embedded systems, IoT devices, and microcontroller-based projects where stable dual voltage rails are required.

🔋 Converts 12V DC → 5V & 3.3V ⚙️ Uses linear voltage regulators (LD1117 series) 🛡️ Includes input protection using fuses 💡 LED indicators for power status 🔌 Multiple terminal connectors for easy interfacing 🧩 4 Layer PCB Design

Main components on the Dual-Output-Power-Supply-PCB-12V-5V-3.3V-

LD1117S50TR_SOT223LD1117S33TR_SOT223

Dual-Output-Power-Supply-PCB-12V-5V-3.3V- bill of materials (BOM)

28 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LD1117S50TR_SOT223
U1
1
LD1117S33TR_SOT223
U2
2
2N3904
Q1, Q2
4
Conn_01x02
J1, J2, J3, J4
4
Fuse_Small
F1, F2, F3, F4
2
SW_DIP_x01
SW1, SW2
2
LED_Small
D1, D2
2
10uF
C1, C2
2
100nF
C3, C4
2
10nF
C5, C6
2
0.1uF
C7, C8
4
1k
R1, R2, R3, R4

Dual-Output-Power-Supply-PCB-12V-5V-3.3V- design files

The KiCad project lives in the jayxgithub/Dual-Output-Power-Supply-PCB-12V-5V-3.3V- repository on GitHub; these links point at the commit this page was built from.

Dual-Output-Power-Supply-PCB-12V-5V-3.3V-: common questions

How big is the Dual-Output-Power-Supply-PCB-12V-5V-3.3V-?

The Dual-Output-Power-Supply-PCB-12V-5V-3.3V- measures 69.7 × 47.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Dual-Output-Power-Supply-PCB-12V-5V-3.3V-?

28 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Dual-Output-Power-Supply-PCB-12V-5V-3.3V- design files?

From the jayxgithub/Dual-Output-Power-Supply-PCB-12V-5V-3.3V- repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Dual-Output-Power-Supply-PCB-12V-5V-3.3V- design in my own project?

The repository has no license, so all rights stay with jayxgithub. Use it as a reference, and ask the author before reusing the design.

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