DB-supply v1
About the DB-supply v1 PCB
DB-supply v1 is an open source PCB design by echopen, published on GitHub. It is a 2-layer board measuring 54.6 × 52.1 mm, with 29 components from 21 distinct parts.
Other key parts include the LM555N, LM2940T-12.0/NOPB, LM2940T-5.0/NOPB, LM1117T-3.3/NOPB and LM2990T-12.0/NOPB. By type, the board carries 10 capacitors, 6 ICs, 5 resistors, 4 diodes, 3 transistors and 1 connector.
Main components on the DB-supply v1
DB-supply v1 bill of materials (BOM)
29 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM555N TI | DIP-8(LM555) | U1 |
| 1 | LM2940T-12.0/NOPB | TO-220_TH_common | U2 |
| 1 | LM2940T-5.0/NOPB | TO-220_TH_common | U3 |
| 1 | LM1117T-3.3/NOPB | TO-220_TH_common | U4 |
| 1 | LM2990T-12.0/NOPB | TO-220_TH_common | U5 |
| 1 | LM2990T-5.0/NOPB | TO-220_TH_common | U6 |
| 2 | 2N2222 Central Semiconductor | TO-18_TH_common | Q1, Q2 |
| 1 | 2N2907 Central Seminconductor | TO-18_TH_common | Q3 |
| 1 | CONN_01X19 Molex | Header_pin_angled_1x19 | P1 |
| 2 | 1N4148 1N4001 Fairchild Semiconductor | D_TH_common | D1, D4 |
| 1 | 1N4148 LED Fairchild Semiconductor | D_TH_common | D2 |
| 1 | 1N4148 Fairchild Semiconductor | D_TH_common | D3 |
| 1 | 10N 10n Vishay | C_TH_common | C1 |
| 1 | 47N 47n Vishay | C_TH_common | C2 |
| 1 | 47U 220u Nichicon | CP_TH_common | C3 |
| 7 | 4.7U 47u Nichicon | CP_TH_common | C4, C5, C6, C7, C8, C9, C10 |
| 1 | 2.2K 2.2k KOA speer | Resistor_TH_common | R1 |
| 1 | 12K 12k KOA speer | Resistor_TH_common | R2 |
| 1 | 3.3K 3.3k KOA speer | Resistor_TH_common | R3 |
| 1 | 1.8K 1.8k KOA speer | Resistor_TH_common | R4 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 270 | Resistor_TH_common | R5 |
DB-supply v1 design files
The KiCad project lives in the echopen/PRJ-medtec_kit repository on GitHub; these links point at the commit this page was built from.
DB-supply v1: common questions
How big is the DB-supply v1 PCB?
The DB-supply v1 measures 54.6 × 52.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the DB-supply v1?
29 components, from 21 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 DB-supply v1 design files?
From the echopen/PRJ-medtec_kit repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the DB-supply v1 design in my own project?
The repository has no license, so all rights stay with echopen. Use it as a reference, and ask the author before reusing the design.
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