Fonte tensao LM675 v05b
Pinheirogustavo·PCB_projects·KiCadProjects/Fonte_Tensao/Fonte_tensao_LM675_v05b/Fonte_tensao_LM675_v05b.kicad_pcb
About the Fonte tensao LM675 v05b PCB
Fonte tensao LM675 v05b is an open source PCB design by Pinheirogustavo, published on GitHub. It is a 2-layer board measuring 90 × 100 mm, with 40 components from 30 distinct parts.
Other key parts include the CD4066BE, LM675, L7805, L7905 and LM1117T-3.3. By type, the board carries 13 capacitors, 7 ICs, 7 resistors, 5 diodes, 3 connectors and 2 LEDs.
From the project
- Diversos pontos de terras, separados em terras dos sinais analógicos (AGND) e terras dos sinais digitais (DGND). - As alimentações dos circuitos analógicos foram separadas das alimentações dos circuitos digitais.

Main components on the Fonte tensao LM675 v05b
Fonte tensao LM675 v05b bill of materials (BOM)
40 components, 30 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CD4066BE L7809 | TO-220-3_Vertical | U1 |
| 1 | CD4066BE LM7909_TO220 | TO-220-3_Vertical | U2 |
| 1 | LM675 | TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical | U3 |
| 1 | L7805 | TO-220-3_Vertical | U4 |
| 1 | L7905 | TO-220-3_Vertical | U5 |
| 1 | LM1117T-3.3 | TO-220-3_Vertical | U6 |
| 1 | LM2596-5 | TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical | U7 |
| 1 | CONN_02X09_TOP_BOTTOM alimentacao analogica | PinHeader_1x08_P2.54mm_Vertical | J1 |
| 1 | sinais analogicos | PinHeader_1x27_P2.54mm_Vertical | J2 |
| 1 | comunicacao / sinais digitais | PinHeader_1x35_P2.54mm_Vertical | J3 |
| 1 | Vin | chave gangorra 2 pinos | I/0 |
| 1 | Vin | BarrelJack_GCT_DCJ200-10-A_Horizontal | Vin1 |
| 2 | LED | LED_D5.0mm | green1, red1 |
| 4 | 1N5819 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4 |
| 1 | 1N5819 | D_DO-41_SOD81_P10.16mm_Horizontal | D5 |
| 1 | 33u | L_7.3x7.3_H4.5 | L1 |
| 4 | 1uF | CP_Radial_Tantal_D4.5mm_P2.50mm | C1, C4, C7, C10 |
| 2 | 2.2uF | CP_Radial_Tantal_D4.5mm_P2.50mm | C2, C11 |
| 2 | 100 nF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C3, C12 |
| 1 | 220nF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C5 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 220u | CP_Radial_D5.0mm_P2.50mm | C6 |
| 1 | 10uF | CP_Radial_Tantal_D4.5mm_P2.50mm | C8 |
| 1 | 33uF | CP_Radial_Tantal_D4.5mm_P2.50mm | C9 |
| 1 | 680u | CP_Radial_D5.0mm_P2.50mm | C13 |
| 1 | 220 1k2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 100K 510 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 2 | 100K 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4 |
| 1 | 100K 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5 |
| 1 | 15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6 |
| 1 | 1 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7 |
Fonte tensao LM675 v05b design files
The KiCad project lives in the Pinheirogustavo/PCB_projects repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCadProjects/Fonte_Tensao/Fonte_tensao_LM675_v05b/Fonte_tensao_LM675_v05b.kicad_pcb
- SchematicKiCadProjects/Fonte_Tensao/Fonte_tensao_LM675_v05b/Fonte_tensao_LM675_v05b.kicad_sch
- BOMKiCadProjects/Condicionamento/Compact_signal_conditioner_V03/Compact_signal_conditioner_V03a/BOM_Compact_signal_conditioner_V03a.csv
Fonte tensao LM675 v05b: common questions
How big is the Fonte tensao LM675 v05b PCB?
The Fonte tensao LM675 v05b measures 90 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Fonte tensao LM675 v05b?
40 components, from 30 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 Fonte tensao LM675 v05b design files?
From the Pinheirogustavo/PCB_projects 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 Fonte tensao LM675 v05b design in my own project?
The repository has no license, so all rights stay with Pinheirogustavo. Use it as a reference, and ask the author before reusing the design.
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Earlier revisions in the repo: Fonte_tensao_LM675_v05a, Fonte_tensao_LM675_v05, Fonte_tensao_LM675_v04.1, Fonte_tensao_LM675_v03, Fonte_tensao_LM675