Mainboard
Mainboard is an open source Microchip SAM PCB design by AFS-pt: a 4-layer, 46.1 × 45.6 mm board with 191 components (49 distinct parts). It is built around the ATSAMD51J19A-M, MAX706RESA+, AP2112K-3.3, MR25H40 and more.
Documentation lives here: https://afs-pt.github.io/PROMETHEUS-1
Built around
Parts list
191 components, 49 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATSAMD51J19A-M | QFN-64-1EP_9x9mm_P0.5mm_EP4.7x4.7mm | U1 |
| 1 | MAX706RESA+ | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | AP2112K-3.3 | SOT-23-5 | U3 |
| 1 | MR25H40 | MR25H40DF | U4 |
| 1 | LTC4412xS6 | TSOT-23-6 | U5 |
| 1 | RFM98PW | RFM98PW | U6 |
| 3 | DRV8830DRC | VSON-10 | U7, U8, U9 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U10 |
| 1 | PCF8523TK | HVSON-8-1EP_4x4mm_P0.8mm_EP2.2x3.1mm | U11 |
| 1 | BNO085 | BNO085 | U12 |
| 8 | NX3008NBKS | SOT-363_SC-70-6 | Q1, Q3, Q5, Q7, Q9, Q11, Q13, Q15 |
| 8 | MBT2222ADW1T1G MBT2222ADW1T1 | SOT-363_SC-70-6 | Q2, Q4, Q6, Q8, Q10, Q12, Q14, Q16 |
| 3 | MMBT2907ALT1G MMBT2907 | SOT-23 | Q17, Q18, Q19 |
| 1 | SQ3495EV-T1 | SOT-23-6 | Q20 |
| 1 | IRLML2803 | SOT-23 | Q21 |
| 2 | 32.768kHz/7pF | Crystal_SMD_MicroCrystal_CC7V-T1A-2Pin_3.2x1.5mm | Y1, Y2 |
| 1 | 32.768kHz/12.5pF | Crystal_SMD_MicroCrystal_CC7V-T1A-2Pin_3.2x1.5mm | Y3 |
| 1 | Conn 02x05 1.27mm | PinHeader_2x05_P1.27mm_Vertical_SMD | J1 |
| 1 | U.FL-R-SMT-1 | U.FL-R-SMT-1 | J2 |
| 1 | Micro_SD_Card | microSD_104031-0811 | J3 |
Show 29 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J4 |
| 1 | SFC-110-T2-X-D-A | SAMTEC_SFC-110-T2-X-D-A | J5 |
| 1 | TFM-110-12-X-D-A | SAMTEC_TFM-110-12-X-D-A | J6 |
| 4 | CLP-105-02-X-DH-A | SAMTEC_CLP-105-02-X-DH-A | J7, J8, J9, J10 |
| 3 | SRF2012 | SRF2012 | FL1, FL2, FL3 |
| 1 | 434331045822 | SMT_1045822_WRE | SW1 |
| 1 | SK6812-SIDE | SK6812-SIDE | D1 |
| 1 | MBR1020VL-AU_R1 | D_SOD-123F | D2 |
| 1 | 10uH | L_0805_2012Metric | L1 |
| 14 | 0.1uF | C_0603_1608Metric | C1, C2, C3, C4, C5, C10, C13, C19 +6 |
| 2 | 4pF | C_0603_1608Metric | C6, C7 |
| 3 | 10uF | C_0603_1608Metric | C8, C17, C18 |
| 5 | 1uF | C_0603_1608Metric | C9, C11, C12, C20, C22 |
| 2 | 10uF | C_0805_2012Metric | C14, C15 |
| 1 | 1uF | C_0805_2012Metric | C16 |
| 1 | 4.7nF | C_0603_1608Metric | C26 |
| 8 | 10nF | C_0603_1608Metric | C28, C29, C30, C31, C32, C33, C34, C35 |
| 2 | 22pF | C_0603_1608Metric | C37, C38 |
| 12 | 100K | R_0603_1608Metric | R1, R2, R11, R27, R36, R41, R48, R53 +4 |
| 32 | 10K | R_0603_1608Metric | R3, R4, R5, R6, R7, R8, R9, R10 +24 |
| 8 | 1K | R_0603_1608Metric | R12, R15, R86, R87, R91, R92, R96, R97 |
| 11 | 0R | R_0603_1608Metric | R13, R20, R21, R22, R26, R30, R31, R32 +3 |
| 1 | 1M | R_0603_1608Metric | R23 |
| 2 | 5.1K | R_0603_1608Metric | R24, R25 |
| 2 | 22R | R_0603_1608Metric | R28, R29 |
| 12 | DNI (0R) | R_0603_1608Metric | R33, R34, R45, R46, R57, R58, R69, R70 +4 |
| 8 | 680R | R_0603_1608Metric | R35, R40, R47, R52, R59, R64, R71, R76 |
| 9 | 200K | R_0603_1608Metric | R39, R44, R51, R56, R63, R68, R75, R80 +1 |
| 3 | 4.7K | R_0603_1608Metric | R85, R90, R95 |
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