2 layers70 × 39 mm
Solar PCB KiCad
Raziz1/Solar_PCB
A power management PCB designed to charge a lithium-ion battery and power a low-power Arduino application
25 parts2
2 layers86.3 × 96.9 mm
Atharva EPS
ATGr8/CubeSat-EPSA repository for a custom 2U CubeSat EPS
- Size
- 86.3 × 96.9 mm
- Copper layers
- 2
- Thickness
- 0.57 mm
- Parts
- 106
- Nets
- 173
- Pads
- 375
- Tracks, vias
- 588, 53
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 27 Aug 2022
- Updated
- 1 Nov 2022
Overview
Atharva EPS is an open-source printed circuit board by ATGr8, from the ATGr8/CubeSat-EPS repository on GitHub. It is a 2-layer board of 86.3 × 96.9 mm with 106 parts on 173 nets, routed with 588 tracks and 53 vias.
It is built around the LT3652EMSE#PBF. Its parts include 33 resistors, 18 capacitors, 12 diodes, 12 connectors and 6 transistors.
Main components
1README
README.mdCubeSat-EPS
I am making a design for custom 2U CubeSat EPS, which is simple to implement and is open source. This is because most of the EPS available off the shelf are sold without much information of the actual circuitry of the board and are very expensive.
I will be uploading my progress to github as I go - to sorta keep me accountable
The KiCAD Schematic is a litlle rough right now and the file manaegement is not the best, but I will be working on fixing them soon. If you need help with understanding anything feel free to reach out to me
Parts
106| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 0 | Resistor_SMD:R_0805_2012Metric | R113, R114, R115, R116, R119, R120, R123, R125 |
| 8 | D_Schottky | Diode_SMD:D_0805_2012Metric | D101, D103, D104, D105, D106, D107, D108, D109 |
| 8 | Test | Capacitor_SMD:C_0805_2012Metric | C108, C109, C111, C112, C114, C115, C117, C118 |
| 8 | TestPoint | TestPoint:TestPoint_Pad_1.0x1.0mm | TP101, TP102, TP103, TP104, TP105, TP106, TP107, TP108 |
| 6 | Conn_01x05_Female | Connector_Hirose:Hirose_DF13-05P-1.25DSA_1x05_P1.25mm_Vertical | J107, J108, J109, J110, J111, J112 |
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C101, C102, C106, C107 |
| 4 | 1M | Resistor_SMD:R_0805_2012Metric | R101, R103, R143, R144 |
| 4 | 1k | Resistor_SMD:R_0805_2012Metric | R105, R106, R107, R108 |
| 4 | Battery_Cell | Battery:BatteryHolder_Keystone_1042_1x18650 | BT101, BT102, BT103, BT104 |
| 4 | Conn_01x02_Female | Connector_Hirose:Hirose_DF13-02P-1.25DSA_1x02_P1.25mm_Vertical | J101, J102, J103, J104 |
| 4 | IRLML2060 | Package_TO_SOT_SMD:SOT-23 | Q104, Q105, Q106, Q107 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_ISO7380_Pad_TopBottom | H101, H102, H103, H104 |
| 3 | 10uH | Inductor_SMD:L_1210_3225Metric | L101, L102, L103 |
| 3 | D_Schottky | Diode_SMD:D_1210_3225Metric | D102, D110, D114 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C110, C116 |
| 2 | 121k | Resistor_SMD:R_0805_2012Metric | R131, R132 |
| 2 | 13.3k | Resistor_SMD:R_0805_2012Metric | R126, R129 |
| 2 | 2N3906 | Package_TO_SOT_THT:TO-92_Inline | Q102, Q103 |
| 2 | 4.7uF | Capacitor_SMD:C_1206_3216Metric | C103, C104 |
| 2 | 470 | Resistor_SMD:R_0805_2012Metric | R109, R111 |
| 2 | 51 | Resistor_SMD:R_0805_2012Metric | R110, R112 |
| 2 | 510k | Resistor_SMD:R_0805_2012Metric | R102, R104 |
| 2 | Conn_02x26_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x26_P2.54mm_Vertical | J105, J106 |
| 2 | LT1930ES5TRMPBF | LT1930ES5TRMPBF:SOT-5_S | U101, U102 |
| 2 | S-8209AXXT | S-8209AAA-T8T1y:SOP65P640X120-8N | U103, U104 |
| 1 | 0.01uF | Capacitor_SMD:C_0805_2012Metric | C105 |
| 1 | 0.05 | Resistor_SMD:R_0805_2012Metric | R127 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric | R118 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric | C113 |
| 1 | 21.672k | Resistor_SMD:R_0805_2012Metric | R130 |
| 1 | 39.688k | Resistor_SMD:R_0805_2012Metric | R128 |
| 1 | 459k | Resistor_SMD:R_0805_2012Metric | R124 |
| 1 | 530k | Resistor_SMD:R_0805_2012Metric | R117 |
| 1 | 542k | Resistor_SMD:R_0805_2012Metric | R121 |
| 1 | D | Diode_SMD:D_1210_3225Metric | D111 |
| 1 | LT3652EMSE | Package_SO:MSOP-12-1EP_3x4mm_P0.65mm_EP1.65x2.85mm | U107 |
The 105 most common of 106 parts.
Questions
How big is the Atharva EPS PCB?
It measures 86.3 × 96.9 mm and has 2 copper layers, 0.57 mm thick.
What parts does the Atharva EPS use?
106 parts, built around the LT3652EMSE#PBF. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Atharva EPS KiCad files?
From the ATGr8/CubeSat-EPS repository on GitHub, at the commit this page was made from: the board is Atharva-EPS.kicad_pcb and its schematic Atharva-EPS.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Atharva EPS design in my own project?
Its repository states no licence, so its author keeps all rights: ask ATGr8 before reusing the design.
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