Power Unit 2
About the Power Unit 2 PCB
Power Unit 2 is an open source PCB design by Project-SkyFall, published on GitHub. It is a 4-layer board measuring 60.7 × 61.3 mm, with 92 components from 51 distinct parts.
Other key parts include the MAX1626ESA+T, PCA8574PW, INA219AXD, BNO055 and TS5A3159DBV. By type, the board carries 30 resistors, 17 capacitors, 12 ICs, 11 transistors, 9 connectors and 3 battery holders.
From the project
This is repository for Czech CanSat team Project SkyFall
Main components on the Power Unit 2
Power Unit 2 bill of materials (BOM)
92 components, 51 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX1626ESA+T | SOIC127P600X175-8N | IC301 |
| 1 | PCA8574PW | SOP65P640X110-16N | U201 |
| 1 | INA219AXD INA219AxD | SOIC-8_3.9x4.9mm_P1.27mm | U401 |
| 1 | BNO055 | LGA-28_5.2x3.8mm_P0.5mm | U501 |
| 2 | TS5A3159DBV | SOT-23-6 | U601, U602 |
| 1 | NEO-M9N | ublox_NEO | U603 |
| 1 | SCD41 | XDCR_SCD41-D-R2 | U701 |
| 1 | ME2-02 | ME2-O2 | U801 |
| 1 | MCP6486UT-E/OT | SOT-23-5 | U802 |
| 1 | AD5246BKSZ100 | SOT65P210X110-6N | U901 |
| 1 | TBS_UNIFY_PRO32_5G8_NANO TBS_UNIFY_PRO32_5G8_nano | TBS UNIFY PRO32 5G8 nano | U1001 |
| 6 | SI2305CDS-T1-BE3 | SOT-23 | Q201, Q202, Q204, Q205, Q206, Q301 |
| 4 | BC847 | SOT-23 | Q203, Q207, Q208, Q601 |
| 1 | BC847 BC857 | SOT-23 | Q901 |
| 1 | CONN_02X04_FEMALE Conn_02x04_Female | PinSocket_2x04_P2.54mm_Vertical | J101 |
| 3 | CONN_02X02_FEMALE Conn_02x02_Female | PinSocket_2x02_P2.54mm_Vertical | J102, J103, J104 |
| 1 | CONN_01X03 Conn_01x03 | JST_PH_S3B-PH-SM4-TB_1x03-1MP_P2.00mm_Horizontal | J201 |
| 1 | CONN_01X02 Conn_01x02 | Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal | J901 |
| 1 | CONN_01X03 Conn_01x03 | Molex_PicoBlade_53047-0310_1x03_P1.25mm_Vertical | J902 |
| 2 | CONN_01X02 Conn_01x02 | Molex_PicoBlade_53047-0210_1x02_P1.25mm_Vertical | J903, J904 |
Show 31 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Antenna_Shield | U.FL_Hirose_U.FL-R-SMT-1_Vertical | AE601 |
| 2 | Battery_Cell | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | BT201, BT202 |
| 1 | Backup battery | 2989 | BT601 |
| 2 | SOLDERJUMPER_3_BRIDGED12 SolderJumper_3_Bridged12 | SolderJumper-3_P1.3mm_Bridged12_Pad1.0x1.5mm | JP601, JP602 |
| 1 | DS04-254-1-04BK-SMT | SW_DIP_SPSTx04_Slide_Omron_A6S-410x_W8.9mm_P2.54mm | SW201 |
| 1 | PCM12SMTR | PCM12SMTR | SW202 |
| 1 | B330A | D_SMA | D301 |
| 1 | APT2012LSECK/J4-PRV | LED_0805_2012Metric | D601 |
| 1 | ESD7351HT1G | D_SOD-323 | D602 |
| 1 | CDRH125NP-220MC | CDRH125101MC | L301 |
| 1 | 27NH 27nH | L_0805_2012Metric | L601 |
| 3 | 10UF 10uF | C_0805_2012Metric | C201, C401, C802 |
| 6 | 0.1UF 0.1uF | C_0805_2012Metric | C301, C503, C504, C602, C701, C801 |
| 2 | TPSB686K010R0600 | CP_EIA-3528-21_Kemet-B | C302, C303 |
| 1 | 0.47UF 0.47uF | C_0805_2012Metric | C304 |
| 1 | 293D227X9010D2TE3 | CP_EIA-7343-31_Kemet-D | C305 |
| 1 | 120NF 120nF | C_0805_2012Metric | C501 |
| 1 | 6.8NF 6.8nF | C_0805_2012Metric | C502 |
| 1 | 1UF 1uF | C_0805_2012Metric | C601 |
| 1 | 10NF 10nF | C_0805_2012Metric | C803 |
| 9 | 10K 10k | R_0805_2012Metric | R201, R202, R207, R210, R213, R218, R219, R501 +1 |
| 6 | 100K 100k | R_0805_2012Metric | R203, R204, R205, R206, R211, R212 |
| 1 | 12K 12k | R_0805_2012Metric | R208 |
| 5 | 5k | R_0805_2012Metric | R209, R216, R217, R601, R901 |
| 1 | 0R | R_0805_2012Metric | R214 |
| 1 | 0R | R_1206_3216Metric | R215 |
| 2 | PE1206FRE470R04L | R_1206_Current | R301, R401 |
| 1 | 750R | R_0805_2012Metric | R602 |
| 1 | 10R | R_0805_2012Metric | R603 |
| 2 | 100R | R_0805_2012Metric | R801, R802 |
| 1 | 20K 20k | R_0805_2012Metric | R803 |
Power Unit 2 design files
The KiCad project lives in the Project-SkyFall/CanSat-2023 repository on GitHub; these links point at the commit this page was built from.
Power Unit 2: common questions
How big is the Power Unit 2 PCB?
The Power Unit 2 measures 60.7 × 61.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Power Unit 2?
92 components, from 51 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 Unit 2 design files?
From the Project-SkyFall/CanSat-2023 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 Unit 2 design in my own project?
The repository has no license, so all rights stay with Project-SkyFall. Use it as a reference, and ask the author before reusing the design.
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