Placa buck
About the Placa buck PCB
Placa buck is an open source PCB design by fadelrio, published on GitHub. It is a 2-layer board measuring 126 × 66.5 mm, with 52 components from 28 distinct parts.
Other key parts include the IR2104, TL072, LM393, L7809 and TL431LP. By type, the board carries 20 resistors, 13 capacitors, 7 ICs, 3 connectors, 3 jumpers and 3 diodes.
It belongs with the power & battery designs in this gallery.
Main components on the Placa buck
Placa buck bill of materials (BOM)
52 components, 28 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | IR2104 | DIP-8_W7.62mm_LongPads | U1 |
| 2 | TL072 | DIP-8_W7.62mm_LongPads | U2, U7 |
| 2 | LM393 | DIP-8_W7.62mm_LongPads | U3, U6 |
| 1 | L7809 | TO-220-3_Vertical | U4 |
| 1 | TL431LP | TO-92L_Inline_Wide | U8 |
| 2 | IRLZ44N | TO-220-3_Vertical | Q1, Q2 |
| 3 | Screw_Terminal_01x02 | Samtec_HPM-02-01-x-S_Straight_1x02_Pitch5.08mm | J1, J2, J3 |
| 3 | Jumper_2_Bridged | TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | JP1, JP2, JP3 |
| 3 | 1N5819 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3 |
| 1 | 300u | Transformer_Breve_TEZ-35x42 | L1 |
| 1 | 100u | CP_Radial_D4.0mm_P2.00mm | C1 |
| 1 | 47u | CP_Radial_D4.0mm_P2.00mm | C2 |
| 3 | C | C_Disc_D4.3mm_W1.9mm_P5.00mm | C3, C10, C11 |
| 1 | 220p | C_Disc_D4.3mm_W1.9mm_P5.00mm | C4 |
| 2 | 10n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C5, C12 |
| 4 | 100n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C6, C7, C8, C9 |
| 1 | 330n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C13 |
| 2 | 10 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 4 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R11, R12, R16 |
| 1 | 3.9k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 820 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R8 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
| 1 | 27k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7 |
| 1 | 50k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9 |
| 1 | 24k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 2 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13, R14 |
| 1 | 9k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R15 |
| 4 | 0 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R17, R18, R19, R20 |
Placa buck design files
The KiCad project lives in the fadelrio/Taller-de-circuitos repository on GitHub; these links point at the commit this page was built from.
Placa buck: common questions
How big is the Placa buck PCB?
The Placa buck measures 126 × 66.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Placa buck?
52 components, from 28 distinct parts. The full bill of materials is listed on this page.
Where can I download the Placa buck design files?
From the fadelrio/Taller-de-circuitos repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Placa buck design in my own project?
The repository has no license, so all rights stay with fadelrio. Use it as a reference, and ask the author before reusing the design.
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