USBU-LDO
About the USBU-LDO PCB
USBU-LDO is an open source PCB design by red-scorp, published on GitHub. It is a 2-layer board measuring 20 × 13 mm, with 7 components from 6 distinct parts.
Other key parts include the AMS1117-3.3. By type, the board carries 2 connectors, 2 capacitors, 1 IC, 1 diode and 1 resistor.
It belongs with the power & battery designs in this gallery.
From the project
Small DIY board with microUSB and LDO
The USBU-LDO project is a aimed to create low-cost DIY board with microUSB with LDO power supply.
The USBU-LDO is simple board that provides a microUSB connector and a low-dropout voltage regulator (LDO) to power a small device from a microUSB power source. The board is designed to be as small as possible and to be used in a variety of applications where a small, low-cost, and easy-to-use power supply is needed.
Main components on the USBU-LDO
USBU-LDO bill of materials (BOM)
7 components, 6 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | 920-D62A2021S10104 USB_B_Micro | USB_Micro-B_Molex_47346-0001 | J1 |
| 1 | Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | KT-0603R RED | LED_0603_1608Metric | D1 |
| 2 | CL21A475KAQNNNE 4.7uF | C_0805_2012Metric | C1, C2 |
| 1 | 0402WGF1001TCE 1k | R_0402_1005Metric | R1 |
USBU-LDO design files
The KiCad project lives in the red-scorp/USBU-LDO repository on GitHub; these links point at the commit this page was built from.
USBU-LDO: common questions
How big is the USBU-LDO PCB?
The USBU-LDO measures 20 × 13 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the USBU-LDO?
7 components, from 6 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 USBU-LDO design files?
From the red-scorp/USBU-LDO 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 USBU-LDO design in my own project?
The repository has no license, so all rights stay with red-scorp. Use it as a reference, and ask the author before reusing the design.
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