Psu
About the Psu PCB
Psu is an open source PCB design by bfrigon, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 44.5 × 30.5 mm, with 40 components from 23 distinct parts.
Other key parts include the BQ27441-G1, BQ24075 and TPS630701. By type, the board carries 17 resistors, 13 capacitors, 3 ICs, 3 connectors, 2 transistors and 1 diode.
It belongs with the power & battery, iot & wireless and displays & leds designs in this gallery.
From the project
Alarm clock (v3)
Main components on the Psu
Psu bill of materials (BOM)
40 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BQ27441-G1 | PDSO-N12 | U1 |
| 1 | BQ24075 | QFN16-EP-3x3 | U2 |
| 1 | TPS630701 | VQFN15N | U3 |
| 2 | MMST3904 | SOT23 | Q1, Q2 |
| 1 | VIN | HDR-M-2x03 | J1 |
| 1 | SIGNAL | HDR-M-1x04 | J2 |
| 1 | BATTERY | S2B-PH-K | J3 |
| 1 | LED | LED-0805 | D1 |
| 1 | 1.5uH | SPM5030-HZ | L1 |
| 5 | 10uF | C-0805 | C1, C2, C11, C12, C13 |
| 2 | 10uF | C-0603 | C3, C5 |
| 1 | 100nF | C-0603 | C4 |
| 3 | 22uF | C-0805 | C6, C7, C8 |
| 1 | 470nF | C-0603 | C9 |
| 1 | 1uF | C-0603 | C10 |
| 6 | 10k | R-0603 | R1, R11, R13, R14, R15, R16 |
| 1 | 0.01 1% | R-1206 | R2 |
| 5 | 100k | R-0603 | R3, R4, R5, R6, R12 |
| 1 | 787k | R-0603 | R7 |
| 1 | 5.6k | R-0603 | R8 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1.1k | R-0603 | R9 |
| 1 | 0 | R-0603 | R10 |
| 1 | 680 | R-0603 | R17 |
Psu design files
The KiCad project lives in the bfrigon/alarm-clock-v3 repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/psu/psu.kicad_pcb
Psu: common questions
How big is the Psu PCB?
The Psu measures 44.5 × 30.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Psu?
40 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the Psu design files?
From the bfrigon/alarm-clock-v3 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Psu design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which bfrigon chose for the repository.
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Display - RGB Seven Seg. Digit
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Panel rgb digits
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