2 layers35.3 × 17.3 mm
Tiny Solar Supply
futureshocked/KLP4e_Tiny-Solar-Supply
This is the repository for the "Tiny Solar Supply" project.
18 parts3MIT
2 layers39.4 × 20.3 mm
Project 3 Tiny Solar Supply
hdobuS/Tiny-Solar-SupplyThis compact PCB charges a 1.23 V rechargeable AA battery using a solar panel during the day, and at night, it provides a regulated 3.3 V output suitable for powering applications like LED strips, sensors, and microcontroller-based projects.
- Size
- 39.4 × 20.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 8
- Pads
- 36
- Tracks, vias
- 83, 9
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 4 Oct 2025
- Updated
- 4 Oct 2025
Overview
Project 3 Tiny Solar Supply is an open-source printed circuit board by hdobuS, from the hdobuS/Tiny-Solar-Supply repository on GitHub. It is a 2-layer board of 39.4 × 20.3 mm with 16 parts on 8 nets, routed with 83 tracks and 9 vias.
It is built around the AP3015AKTR-G1, SS14 and ASPI-0630LR-100M-T15. Its parts include 4 resistors, 4 connectors, 3 capacitors, 2 diodes and 1 IC. It belongs with the power boards of this library.
Main components
3
AP3015AKTR-G1
SOT-23-5-40℃~+85℃ 1 100mA 17uA 1V~12V 3.3V Boost Boost Built-in Fixed No SOT-23-5 DC-DC Converters ROHSDiodes IncorporatedDC-DC Converters
SS14
SMA(DO-214AC)-55℃~+150℃ 1A 25A 300uA@40V 40V 550mV@1A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
ASPI-0630LR-100M-T15
SMD,7.2x6.7mm10uH 4A 5.5A 68mΩ ±20% SMD,7.2x6.7mm Power Inductors ROHSAbraconPower Inductors
README
README.mdTiny-Solar-Supply
This compact PCB charges a 1.23 V rechargeable AA battery using a solar panel during the day, and at night, it provides a regulated 3.3 V output suitable for powering applications like LED strips, sensors, and microcontroller-based projects.
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal | J1, J2, J4 |
| 2 | 1 MOhm | Resistor_SMD:R_0805_2012Metric | R1, R4 |
| 2 | SS14 | SS14:DIOM4325X250N | D1, D2 |
| 1 | 10 kOhm | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 10 pF, 50 V, X7R (0805) | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 22 uF, 10 V, X7R (1206) | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 4.7 uF, 50 V, X7R (0805) | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 604 kOhm, 1% | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | AP3015AKTR-G1 | AP3015AKTR-G1:SOT95P280X145-5N | U1 |
| 1 | ASPI-0630LR-100M-T15 | ASPI-0630LR-100M-T15:IND_ASPI-0630LR-100M-T15 | L1 |
| 1 | Conn_01x02_Pin | Button_Switch_THT:SW_DIP_SPSTx01_Slide_9.78x4.72mm_W7.62mm_P2.54mm | J3 |
Questions
How big is the Project 3 Tiny Solar Supply PCB?
It measures 39.4 × 20.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Project 3 Tiny Solar Supply use?
16 parts, built around the AP3015AKTR-G1, SS14 and ASPI-0630LR-100M-T15. 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 Project 3 Tiny Solar Supply KiCad files?
From the hdobuS/Tiny-Solar-Supply repository on GitHub, at the commit this page was made from: the board is Project 3 Tiny Solar Supply/Project 3 Tiny Solar Supply.kicad_pcb and its schematic Project 3 Tiny Solar Supply/Project 3 Tiny Solar Supply.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Project 3 Tiny Solar Supply design in my own project?
Its repository states no licence, so its author keeps all rights: ask hdobuS before reusing the design.
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