

DC DC Conveter
Explore a world of mini electronic wonders in 'Mini_Electronics.' Find meticulously designed hobbyist circuits, powered by KiCAD and Proteus. Ideal for curious tinkerers, aspiring engineers, and enthusiasts.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 9
- Pads
- 32
- Tracks, vias
- 64, 0
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Oct 2023
- Updated
- 23 Apr 2024
Overview
DC DC Conveter is an open-source printed circuit board by Shubham722-227, from the Shubham722-227/Mini_Electronics repository on GitHub, published under the MIT licence. It is a 2-layer board with 13 parts on 9 nets, routed with 64 tracks and 0 vias.
It is built around the MC34063AP and MBR340. Its parts include 4 resistors, 3 capacitors, 2 diodes, 1 IC and 1 switch. It belongs with the power boards of this library.
Main components
2README
KiCAD/DC-DC Conveter/README.mdDC-DC Converter
Table of Contents
Description
This project presents a simple yet effective circuit for powering a 1W LED using your car's battery. It utilizes the MC34063 IC as a buck converter, a versatile monolithic switching regulator sub-system designed for DC-DC conversion.
The MC34063 device integrates multiple functions into an 8-pin dual in-line package, including an internal temperature-compensated reference, a comparator, a controlled duty-cycle oscillator with an active current-limit circuit, a driver, and a high-current output switch. These features make it an ideal choice for efficient voltage conversion.
Features
- Efficiently powers a 1W LED from a car battery.
- Utilizes the MC34063 IC as a buck converter.
- Internal temperature-compensated reference for stability.
- Controlled duty-cycle oscillator with current-limit protection.
- Compact and versatile design.
Components
- MC34063 IC
- Passive components (resistors, capacitors)
- 1W LED
- Car battery
Schematic

PCB Layout

3D Model

Usage
To use this circuit to power a 1W LED from your car battery, follow these steps:
-
Components: Gather the necessary components, including the MC34063 IC, passive components, a 1W LED, and your car battery.
-
Assembly: Assemble the circuit according to the provided schematic. Ensure correct component connections.
-
Power On: Connect the circuit to your car battery and observe the LED's illumination. The buck converter will efficiently regulate the voltage to power the LED.
-
Adjustment (Optional): Depending on your specific requirements, you may need to fine-tune the circuit. Refer to the datasheet for the MC34063 IC for more information.
if you like what i do, maybe consider buying me a coffee/tea 🥺👉👈
Authors
License
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | R_US | Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal | R1, R2, R3 |
| 1 | Battery | Connector_PinHeader_1.00mm:PinHeader_1x02_P1.00mm_Vertical | BT1 |
| 1 | C | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C2 |
| 1 | C_Polarized_Small_US | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C3 |
| 1 | C_Polarized_Small_US | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1 |
| 1 | L | Inductor_THT:L_Toroid_Vertical_L14.0mm_W6.3mm_P4.57mm_Pulse_A | L1 |
| 1 | LED | LED_THT:LED_D3.0mm | D1 |
| 1 | MBR340 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D2 |
| 1 | MC34063AP | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | R_US | Resistor_THT:R_Axial_DIN0614_L14.3mm_D5.7mm_P20.32mm_Horizontal | R4 |
| 1 | SW_DIP_x01 | Button_Switch_THT:SW_DIP_SPSTx01_Slide_9.78x4.72mm_W7.62mm_P2.54mm | SW1 |
Questions
What parts does the DC DC Conveter use?
13 parts, built around the MC34063AP and MBR340. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the DC DC Conveter KiCad files?
From the Shubham722-227/Mini_Electronics repository on GitHub, at the commit this page was made from: the board is KiCAD/DC-DC Conveter/DC-DC Conveter.kicad_pcb and its schematic KiCAD/DC-DC Conveter/DC-DC Conveter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DC DC Conveter design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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