Power Supply
About the Power Supply PCB
Power Supply is an open source PCB design by annegautham, published on GitHub. It is a 4-layer board measuring 165.7 × 132 mm, with 77 components from 50 distinct parts.
Other key parts include the TPS7A4700RGWR, TPS7A3301RGWR, 0PTF0078P and TL074. By type, the board carries 24 capacitors, 14 resistors, 11 diodes, 8 test points, 7 connectors and 6 ICs.
It belongs with the power & battery designs in this gallery.
Main components on the Power Supply
Power Supply bill of materials (BOM)
77 components, 50 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPS7A4700RGWR | QFN65P500X500X100-21N-D | IC1 |
| 1 | TPS7A3301RGWR | QFN65P500X500X100-21N-D | IC2 |
| 1 | 0PTF0078P Fuse, 1A | 0PTF0078P | U3 |
| 1 | 0PTF0078P Fuse, 5A | 0PTF0078P | U4 |
| 1 | TL074 traco_TSR_0.5-2433 | TSR-0.5-2433 | U5 |
| 1 | TL074 LM75C | SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | 2N7000 | TO-92_Inline | Q1 |
| 3 | 5745782-6 Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J1, J2, J3 |
| 1 | 5745782-6 | 57457826 | J4 |
| 3 | 1287 | KEYSTONE_1287 | J7, J8, J9 |
| 1 | G5LE-1 | Relay_SPDT_Omron-G5LE-1 | K2 |
| 1 | IRM-10-5 | Converter_ACDC_MeanWell_IRM-10-xx_THT | PS1 |
| 1 | ~ | FLN_40_18 | T1 |
| 2 | 10 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | TH1, TH2 |
| 8 | TestPoint | TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 |
| 1 | B5819WSL-TP | SODFL2512X90N | D1 |
| 2 | B250S2A | P20_SO-DIL-Slim | D2, D16 |
| 1 | 24V | D_SOD-123 | D6 |
| 4 | LED_Small | LED_0603_1608Metric | D7, D9, D12, D13 |
| 2 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D8, D11 |
Show 30 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 12V | D_SOD-123 | D10 |
| 1 | 3.3u | IND_BOURNS_SRR1280 | L1 |
| 1 | 10u | CP_EIA-7343-31_Kemet-D | C7 |
| 1 | 2.2U 1500u | CP_Radial_D12.5mm_P5.00mm_+Better | C8 |
| 1 | 1500u | CP_Radial_D12.5mm_P5.00mm_+Better | C9 |
| 2 | 4.7N 1000u | CP_Radial_D12.5mm_P5.00mm_+Better | C10, C14 |
| 2 | 4.7N 1500u | CP_Radial_D12.5mm_P5.00mm_+Better | C11, C13 |
| 1 | 4.7N 4.7u | C_0603_1608Metric | C12 |
| 1 | 4.7N 470n | CAP_R46KN347000N0M_KEM | C15 |
| 1 | 3.3N 470n | CAP_R46KN347000N0M_KEM | C16 |
| 1 | 100N 100u | C_Radial_D10.0mm_H12.5mm_P5.00mm | C17 |
| 1 | 100N 10u | CP_Radial_D5.0mm_P2.00mm | C18 |
| 1 | 100N 4.7u | C_0603_1608Metric | C19 |
| 1 | 100N 10u | CP_EIA-7343-31_Kemet-D | C20 |
| 2 | 3.3N 10u | CP_EIA-7343-31_Kemet-D | C21, C32 |
| 1 | 3.3N 47u | CP_EIA-7343-31_Kemet-D | C22 |
| 2 | 3.3N 4.7u | C_0603_1608Metric | C23, C31 |
| 1 | 4.7N 47u | CP_EIA-7343-31_Kemet-D | C24 |
| 1 | 4.7N 10n | C_0603_1608Metric | C25 |
| 1 | 100N 0.1u | C_0603_1608Metric | C39 |
| 2 | 100N 1u | C_0603_1608Metric | C40, C41 |
| 2 | 10 | R_1206_3216Metric | R14, R15 |
| 2 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R16, R18 |
| 2 | 100 | R_0805_2012Metric | R17, R26 |
| 1 | 220/1W | R_2512_6332Metric | R19 |
| 1 | 56k | R_0805_2012Metric | R20 |
| 2 | 2.7k | R_0805_2012Metric | R28, R29 |
| 1 | 1M2 1.24M | R_0805_2012Metric | R30 |
| 1 | 105k | R_0805_2012Metric | R31 |
| 2 | 1k | R_0805_2012Metric | R32, R33 |
Power Supply design files
The KiCad project lives in the annegautham/IEEE_TechnicalProgram_2026 repository on GitHub; these links point at the commit this page was built from.
Power Supply: common questions
How big is the Power Supply PCB?
The Power Supply measures 165.7 × 132 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Power Supply?
77 components, from 50 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 Power Supply design files?
From the annegautham/IEEE_TechnicalProgram_2026 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 Power Supply design in my own project?
The repository has no license, so all rights stay with annegautham. Use it as a reference, and ask the author before reusing the design.
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