Mainboard
About the Mainboard PCB
Mainboard is an open source NXP PCB design by annegautham, published on GitHub. It is a 10-layer board measuring 130.9 × 63.9 mm, with 227 components from 99 distinct parts.
Its main chip is the TEENSY4.0, from the NXP family. Other key parts include the SN74AUP1G06DCKR, SN74AUP1G07DCKR, TL072, TL074 and LTC2326CMS-16-PBF. By type, the board carries 110 capacitors, 67 resistors, 22 ICs, 11 connectors, 7 diodes and 7 inductors.
Main components on the Mainboard
Mainboard bill of materials (BOM)
227 components, 99 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | SN74AUP1G06DCKR | SOT65P210X110-5N | IC1, IC3, U5, U7, U14 |
| 2 | SN74AUP1G07DCKR | SOT65P210X110-5N | IC4, IC5 |
| 1 | TEENSY4.0 XAL5030-472MEC | XAL5030-472MEC_COC | U1 |
| 3 | TL072 LMR33610BDDAR | Texas_HSOP-8-1EP_3.9x4.9mm_P1.27mm_ThermalVias | U2, U3, U4 |
| 1 | TL074 74AHC1G08 | SOT-353_SC-70-5 | U6 |
| 1 | LTC2326CMS-16-PBF 74AHC1G32 | SOT-353_SC-70-5 | U8 |
| 1 | ADG419BR ECS-2520MV-xxx-xx | Oscillator_SMD_ECS_2520MV-xxx-xx-4Pin_2.5x2.0mm | U12 |
| 1 | MX25L3233FM2 | SOIC-8_5.3x5.3mm_P1.27mm | U13 |
| 1 | DLPC1438ZEZ | BGA201C80P15X15_1300X1300X100 | U16 |
| 2 | TXS0102DCU | VSSOP-8_2.3x2mm_P0.5mm | U22, U37 |
| 1 | DLPA2005ERSLT | QFN40P600X600X100-49N-D | U24 |
| 1 | TPS54340DDA | TI_SO-PowerPAD-8_ThermalVias | U26 |
| 1 | TPD2E001DRYR | DRY6 | U38 |
| 1 | TPS62260DDCT | DDC5 | U39 |
| 1 | AXT550124 | AXT550124 | J1 |
| 1 | 5745782-6 Conn_01x07_Pin | PinHeader_1x07_P2.54mm_Vertical | J2 |
| 1 | 5745782-6 Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | CONN_01X02_PIN Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J4 |
| 1 | CONN_01X02_PIN EJ508B | MPD_EJ508B | J5 |
| 1 | Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J10 |
Show 79 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | B12B-XH-ALFSN | B12B-XH-A-LF-SN- | J23 |
| 1 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Vertical | J29 |
| 2 | Conn_01x08_Pin | PinHeader_1x08_P2.54mm_Vertical | J30, J31 |
| 1 | AHDF15A-KG-TAXB | AHDF15AKGTAXB | J100 |
| 2 | 1500mA | BLM15P_FBD-M | F2, F3 |
| 1 | 100SP1T1B4M2QE | SW_100SP1T1B4M2QE | SW2 |
| 2 | SML-LX1206SIC-TR | LED_SML-LX1206SIC-TR_LUM-M | D5, D7 |
| 1 | SML-LX1206USBC-TR LED | LED_1206_3216Metric | D6 |
| 1 | B560C | SMC_DIO | D10 |
| 2 | LTST-C190GKT LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D12, D13 |
| 1 | D_Schottky | DIO_PESD5V0S1UL_315 | D18 |
| 1 | 10uH | INDC2012X100N | L1 |
| 2 | 2.2uH | INDC2520X100N | L2, L3 |
| 2 | SRU1038-3R5Y | IND_BOURNS_SRU1038 | L4, L5 |
| 1 | DR1040-5R2-R | DR1040 | L7 |
| 1 | LQM2HPN2R2MG0L | IND_LQM2HPN2R2MG0L_MUR | L12 |
| 2 | 100 uF | CAP_EEEFT1V101AP | C1, C96 |
| 2 | 12pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3 |
| 21 | 100nF | CAP_CL05_SAM | C7, C116, C120, C121, C126, C128, C129, C133 +13 |
| 4 | 4.7N 100nF | CAP_CL05_SAM | C13, C14, C15, C27 |
| 1 | 100N 4.7uF | GRM188C81E475KE11D | C19 |
| 1 | 100N 220nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C20 |
| 8 | 810-C1608X5R1A226M 22uF | CAPC1608X100N | C21, C22, C30, C31, C168, C169, C211, C212 |
| 1 | 4.7N 4.7uF | GRM188C81E475KE11D | C25 |
| 1 | 4.7N 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C26 |
| 1 | 100N 4.7uF | CAP_CL05_SAM | C28 |
| 1 | 3.3N 100nF | CAP_CL05_SAM | C29 |
| 1 | 3.3N 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C32 |
| 1 | 47U 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C33 |
| 4 | 100N 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C34, C37, C38, C39 |
| 1 | 10U 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C35 |
| 3 | 100N 100nF | ul_CL05B104KO5NNNC | C36, C40, C45 |
| 1 | 100N 12pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C41 |
| 9 | 100N 100nF | CAP_CL05_SAM | C42, C122, C123, C124, C125, C130, C131, C132 +1 |
| 2 | 100N 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C43, C47 |
| 1 | 100N 220nF | GRM155R6YA224KE01D | C44 |
| 1 | 100N 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C46 |
| 3 | 220nF | GRM155R6YA224KE01D | C48, C57, C198 |
| 6 | 100nF | ul_CL05B104KO5NNNC | C49, C55, C58, C60, C111, C113 |
| 1 | 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C50 |
| 1 | 100pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C51 |
| 2 | 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C53, C54 |
| 1 | 4.7uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C56 |
| 1 | 4.7pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C59 |
| 1 | 10pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C61 |
| 1 | 18pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C64 |
| 1 | 1uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C65 |
| 4 | C2012X5R1V106M085AC 10 uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C71, C72, C73, C74 |
| 1 | 10U 100 uF | CAP_EEEFT1V101AP | C82 |
| 1 | 100U 100 uF | CAP_EEEFT1V101AP | C83 |
| 8 | CL05B104KO5NNNC 100n | CAP_CL05_SAM | C108, C112, C114, C115, C127, C138, C170, C171 |
| 2 | 10uF | C1608X5R1A106M080AC | C109, C196 |
| 1 | 4.7uF | GRM188C81E475KE11D | C110 |
| 2 | CL05B104KO5NNNC 220n | C_0402_1005Metric | C117, C119 |
| 1 | C1608X7R1E224K 220n | C_0402_1005Metric | C118 |
| 1 | 220nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C197 |
| 1 | 2.2uF | CAPC2012X135N | C199 |
| 3 | 1uF | CAPC2012X135N | C200, C201, C214 |
| 2 | RC0402FR-0710KL 78.7k | R_0402_1005Metric | R3, R212 |
| 2 | CRCW0805100RFKEA 100 | RES_CRCW_0805 | R5, R7 |
| 1 | ERJ-2RKF1500X 150 | R_0402_1005Metric | R6 |
| 11 | RMCF0805FT10K0 10k | STA_RMCF0805_STP | R15, R84, R92, R155, R158, R163, R164, R165 +3 |
| 5 | RC0805JR-070RL 0 | RES_R-070RL_VIS | R16, R154, R156, R157, R171 |
| 8 | RMCF0805FG100K 100k | RES_RMCF0805_STP | R17, R19, R168, R174, R176, R177, R178, R179 |
| 8 | RC0805FR-0730R1L 30.1 | RESC2012X60N | R18, R43, R74, R75, R76, R77, R172, R173 |
| 2 | CRCW0402100KFKED 7.87k | RES_RM10_CCE | R42, R52 |
| 2 | 43 | R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R44, R45 |
| 5 | 3.3k | RES_ERJP06_PAN | R53, R54, R55, R73, R117 |
| 1 | RC0805FR-0730R1L 30.1 | RESC1005X40N | R83 |
| 1 | 39m | RESC1608X60N | R94 |
| 3 | RC0402FR-0710KL 22.1k | R_0402_1005Metric | R95, R99, R100 |
| 7 | RC0402FR-0710KL 10k | R_0402_1005Metric | R97, R101, R108, R160, R196, R214, R216 |
| 1 | ERJ-2RKF1243X 124k | R_0402_1005Metric | R98 |
| 1 | MCR01MZPF4993 499k | R_0402_1005Metric | R102 |
| 3 | CRCW0402100KFKED 100k | R_0402_1005Metric | R103, R104, R110 |
| 1 | RC0402JR-073RL 43.2k | R_0402_1005Metric | R109 |
| 1 | ERJ-2RKF2000X 200 | R_0402_1005Metric | R162 |
| 1 | 100k | R_0402_1005Metric | R188 |
| 1 | RC0402FR-0710KL 360k | R_0402_1005Metric | R213 |
Mainboard 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.
Mainboard: common questions
What microcontroller does the Mainboard use?
The Mainboard is built around the TEENSY4.0, from the NXP family.
How big is the Mainboard PCB?
The Mainboard measures 130.9 × 63.9 mm, has 10 copper layers and is 1.6 mm thick.
How many components are on the Mainboard?
227 components, from 99 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 Mainboard 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 Mainboard 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.
Can I test firmware for the Mainboard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
More boards in IEEE_TechnicalProgram_2026
Earlier revisions in the repo: Mainboard
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