2 layers68.6 × 53.3 mm
Arduino Mega 2560
ded811/Mega-Uno-2560
An Arduino-compatible ATmega2560 development board in the Arduino Uno form factor
62 parts1
2 layers18 × 65 mm
Dc dc controller
curiouselectric/dc_dc_controller1A logic controlled DC-DC step up converter PCB
- Size
- 18 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 10
- Pads
- 29
- Tracks, vias
- 59, 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 Jul 2023
- Updated
- 17 Feb 2026
Overview
Dc dc controller is an open-source printed circuit board by curiouselectric, from the curiouselectric/dc_dc_controller repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 18 × 65 mm with 14 parts on 10 nets, routed with 59 tracks and 1 via.
It is built around the PMV48XP. Its parts include 6 connectors, 4 resistors, 2 transistors and 1 diode. It belongs with the power boards of this library.
Main components
1README
README.mddc_dc_controller
A logic controlled DC-DC step up converter PCB
Have you needed to power a small sensor with 12 or 24V but only had 3.3V or 5V available? Maybe you need to really reduce your power consumption and running the sensor all the time will consume too much power? Then this simple logic-controller DC-DC step-up converter might be useful for you!
The step-up converter is an off-the-shelf DC-DC converter board using the MT3608. This can take an input voltage of 2-24V DC and supply an output voltage up to 28V DC. Up to 2A can be supplied (but not recommended for any length of time).
While this converter is useful, what if you only want to check your sensor every 10 mins or hour? Keeping the sensor powered up with a DC-DC converter will just waste energy, which might be in short supply from a battery-based system. So, we added a MOSFET based logic-controlled switch. You apply 3.3V - 5V to the control input and it will switch on the DC-DC converter. Your device can wake up, check your sensor, then go back to sleep and save lots of energy.
We have used this circuit for a weather monitoring station.
This is a reasonably simple kit which requires a small amount of soldering. It should take under 1 hour to build. Not suitable for under 12 years old.
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100k | REInnovationFootprint:SM0805 | R1, R2 |
| 2 | 1k | REInnovationFootprint:SM0805 | R3, R4 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | DC-DC_GENERIC | REInnovationFootprint:TH_DCDC_Step_up_MT3608 | DCDC1 |
| 1 | IN | REInnovationFootprint:SIL-3_screw_terminal | J1 |
| 1 | LED | REInnovationFootprint:SM0805_LED | D1 |
| 1 | LED PWR | REInnovationFootprint:SIL-2_solder_connect_2 | J5 |
| 1 | LOGO | CuriousElectric3:2019_011_16_CuriousElectricCompany_Logo_Round_Logo_No_words_KiCAD_10mm_PCBLogo | J3 |
| 1 | LOGO_2 | CuriousElectric3:TCEC_Words_13mm | J4 |
| 1 | OUT | REInnovationFootprint:SIL-2_screw_terminal | J6 |
| 1 | PCB | REInnovationFootprint:PCB_DC_DC_Outline_v1 | J2 |
| 1 | PMV48XP | Package_TO_SOT_SMD:SOT-23 | Q2 |
Questions
How big is the Dc dc controller PCB?
It measures 18 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Dc dc controller use?
14 parts, built around the PMV48XP. 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 controller KiCad files?
From the curiouselectric/dc_dc_controller repository on GitHub, at the commit this page was made from: the board is DC_DC_Controller PCB/DC_DC_Controller.kicad_pcb and its schematic DC_DC_Controller PCB/DC_DC_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Dc dc controller design in my own project?
Its repository publishes it under the CC0-1.0 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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