Dual power supply
About the Dual power supply PCB
Dual power supply is an open source PCB design by amitesh-singh, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 172.5 × 96.2 mm, with 27 components from 13 distinct parts.
Other key parts include the TL431LP, LM317_TO-220 and LM337_TO220. By type, the board carries 10 resistors, 6 capacitors, 5 diodes, 4 ICs and 2 connectors.
It belongs with the power & battery designs in this gallery.
From the project
A place to play with Kicad
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Main components on the Dual power supply
Dual power supply bill of materials (BOM)
27 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TL431LP | TO-92_Inline | U1, U2 |
| 1 | LM317_TO-220 | TO-220-3_Vertical | U3 |
| 1 | LM337_TO220 | TO-220-3_Vertical | U4 |
| 1 | Conn_01x03_Male | JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J1 |
| 1 | Conn_01x06_Male | JST_EH_B6B-EH-A_1x06_P2.50mm_Vertical | J2 |
| 1 | D_Bridge_+-AA | Diode_Bridge_DIP-4_W5.08mm_P2.54mm | D1 |
| 4 | D | D_5KPW_P7.62mm_Vertical_KathodeUp | D2, D3, D4, D5 |
| 2 | 1000u | CP_Radial_D18.0mm_P7.50mm | C1, C2 |
| 4 | 10u | C_Radial_D10.0mm_H12.5mm_P5.00mm | C3, C4, C5, C6 |
| 2 | 5k | R_Box_L8.4mm_W2.5mm_P5.08mm | R1, R2 |
| 4 | 1k | R_Box_L8.4mm_W2.5mm_P5.08mm | R3, R4, R5, R6 |
| 2 | R_Variable | R_Box_L8.4mm_W2.5mm_P5.08mm | R7, R8 |
| 2 | R | R_Box_L8.4mm_W2.5mm_P5.08mm | R9, R10 |
Dual power supply design files
The KiCad project lives in the amitesh-singh/kicad-pcbs repository on GitHub; these links point at the commit this page was built from.
Dual power supply: common questions
How big is the Dual power supply PCB?
The Dual power supply measures 172.5 × 96.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Dual power supply?
27 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Dual power supply design files?
From the amitesh-singh/kicad-pcbs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Dual power supply design in my own project?
Yes, under the terms of its GPL-3.0 license, which amitesh-singh chose for the repository.
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