Eps hardware
About the Eps hardware PCB
Eps hardware is an open source PCB design by SFUSatClub, published on GitHub. It is a 4-layer board measuring 95.9 × 90.2 mm, with 157 components from 87 distinct parts.
Other key parts include the B3B-XH-A(LF)(SN), TPS563219DDFR-ND, LMS3635AQRNLRQ1, TPS22967 and bq25703arsnt. By type, the board carries 65 capacitors, 52 resistors, 10 transistors, 9 ICs, 7 connectors and 5 diodes.
From the project
This repository uses the SFU Satellite Team's KiCad component library as a submodule. To start working on the repository:
This repository uses the SFU Satellite Team's KiCad component library as a submodule. To start working on the repository:
If you modify either the component schematic or footprint libraries you must push those changes to the SFUSatClub/KiCad-Lib repository.
Main components on the Eps hardware
Eps hardware bill of materials (BOM)
157 components, 87 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | B3B-XH-A(LF)(SN) | B3B-XH-A | U1, U4 |
| 1 | TPS563219DDFR-ND | SOT-23-8 | U2 |
| 1 | LMS3635AQRNLRQ1 | LMS3635AQRNLTQ1 | U3 |
| 2 | TPS22967 | TPS22967 | U5, U6 |
| 1 | bq25703arsnt | S-PWQFN-N32 | U7 |
| 1 | LM3480 | SOT-23-3 | U9 |
| 1 | CD4555BPWR | TSSOP-16 | U10 |
| 2 | DMP3035SFG-7 | POWERDI3333-8 | Q5, Q8 |
| 1 | DCX124EK-7-F | SC-74 | Q6 |
| 2 | 2N7002ET1G | SOT-23-3 | Q7, Q14 |
| 4 | CSD17551Q3A | 8-PowerWDFN | Q9, Q10, Q11, Q12 |
| 1 | CSD25402Q3A | 8-PowerWDFN | Q13 |
| 1 | PC104-8BIT | PC104-8bit | J1 |
| 4 | PC104PTH | PC104PTH | J2, J3, J4, J5 |
| 2 | 3pin-DC-power | PJ-028-SMT-TR-3pin-DC-jack | P1, P2 |
| 1 | Conn_01x02 | Socket_Strip_Straight_1x02_Pitch2.54mm | JP1 |
| 1 | Conn_01x03 | Socket_Strip_Straight_1x03_Pitch2.54mm | JP7 |
| 1 | CT6EP103 | CT6EP103 | RV1 |
| 2 | LIMIT_SWITCH | SS-3GLPD-L | SW1, SW2 |
| 1 | LIMIT_SWITCH | SS-3GLPD-R | SW3 |
Show 67 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SMAJ26CA | DO-214AC-BI | D1 |
| 3 | BAT54HT1G | SOD-323 | D2, D3, D5 |
| 1 | B220A-13-F | DO-214AC | D4 |
| 1 | 2u2 | L_8030 | L1 |
| 1 | 2.2 uH | SRN8040-2R2Y | L2 |
| 1 | 10.0 uH | L_7447709100 | L3 |
| 2 | 1u0 | C_0603 | C1, C24 |
| 4 | 100n0 | C_0603 | C2, C28, C48, C60 |
| 4 | DNP | C_0805 | C3, C18, C53, C54 |
| 6 | 10u0 | C_0805 | C4, C6, C17, C19, C20, C21 |
| 3 | 100p0 | C_0603 | C5, C39, C41 |
| 1 | 22.0 uF | C_1210 | C7 |
| 1 | 8.2 nF | C_0402 | C8 |
| 1 | 100.0 nF | C_0805 | C9 |
| 1 | 47.0 uF | C_0805 | C10 |
| 4 | 10.0 uF | C_1210 | C11, C13, C61, C62 |
| 2 | 1.0 nF | C_0402 | C12, C14 |
| 1 | 100.0 nF | C_0402 | C15 |
| 1 | 4.7 uF | C_0805 | C16 |
| 2 | 33n0 | C_0603 | C22, C27 |
| 4 | DNP | C_0603 | C23, C33, C37, C43 |
| 1 | 33p0 | C_0402 | C25 |
| 1 | 1n8 | C_0402 | C26 |
| 1 | 10n0 | C_0603 | C29 |
| 1 | 470n0 | C_0805 | C30 |
| 1 | 1n0 | C_0402 | C31 |
| 2 | 150p | C_0603 | C32, C40 |
| 2 | 47n | C_0603 | C34, C35 |
| 1 | 15p0 | C_0402 | C36 |
| 1 | 2u2 | C_0603 | C38 |
| 1 | 680p | C_0402 | C42 |
| 6 | 10u | C_0805 | C44, C46, C47, C49, C50, C52 |
| 1 | 1u | C_0603 | C45 |
| 1 | 10u0 | C_1206 | C51 |
| 1 | DNP | C_ALUM_2626 | C55 |
| 1 | 47u | C_TANT_2917 | C56 |
| 1 | 470.0 nF | C_0402 | C57 |
| 1 | 680.0 pF | C_0402 | C58 |
| 4 | 68.0 uF | C_1206 | C59, C63, C64, C65 |
| 2 | 3R9 | R_1206 | R1, R2 |
| 2 | 10R0 | R_1206 | R3, R17 |
| 2 | 100k0 | R_0603 | R4, R53 |
| 1 | 20k0 | R_0603 | R5 |
| 4 | 10k0 | R_0603 | R6, R36, R37, R40 |
| 1 | 220k0 | R_0603 | R7 |
| 1 | 100k | R_0402 | R8 |
| 1 | DNP | R_0402 | R9 |
| 1 | 1k62 | R_0402 | R10 |
| 1 | 49.9 kOhm | R_0402 | R11 |
| 1 | 21.5 kOhm | R_0402 | R12 |
| 1 | 3.01 Ohm | R_0402 | R13 |
| 12 | DNP | R_0603 | R14, R15, R16, R19, R21, R22, R34, R35 +4 |
| 2 | 0R | R_0603 | R18, R20 |
| 1 | 1K | R_0402 | R23 |
| 3 | 10R0 | R_0603 | R24, R49, R54 |
| 2 | 383k0 | R_0603 | R25, R28 |
| 2 | 4R99 | R_0603 | R26, R29 |
| 2 | 10m0 | R_1206 | R27, R50 |
| 1 | 1R0 | R_0805 | R31 |
| 1 | 40k2 | R_0402 | R32 |
| 2 | 300k0 | R_0603 | R39, R48 |
| 1 | 2M0 | R_0603 | R41 |
| 1 | 30k1 | R_0603 | R45 |
| 1 | 10k0 | R_0402 | R46 |
| 1 | 137k0 | R_0603 | R47 |
| 1 | 120k0 | R_0603 | R51 |
| 1 | 64k9 | R_0603 | R55 |
Eps hardware design files
The KiCad project lives in the SFUSatClub/eps-hardware repository on GitHub; these links point at the commit this page was built from.
- Layouteps.kicad_pcb
Eps hardware: common questions
How big is the Eps hardware PCB?
The Eps hardware measures 95.9 × 90.2 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Eps hardware?
157 components, from 87 distinct parts. The full bill of materials is listed on this page.
Where can I download the Eps hardware design files?
From the SFUSatClub/eps-hardware repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Eps hardware design in my own project?
The repository has no license, so all rights stay with SFUSatClub. Use it as a reference, and ask the author before reusing the design.