2021 Accumulator Base
About the 2021 Accumulator Base PCB
2021 Accumulator Base is an open source PCB design by columbia-fsae, published on GitHub. It is a 4-layer board measuring 266.4 × 193.2 mm, with 136 components from 56 distinct parts.
Other key parts include the 74HC86, IMD, SDC_9-8-20, LAUNCHXL-F28379D and PWR_Transducer. By type, the board carries 48 resistors, 20 transistors, 20 connectors, 16 capacitors, 13 ICs and 8 diodes.
From the project
This repository contains all the PCBs embedded inside the accumulator container of Columbia University's 2021 Formula SAE electric racecar. They were designed in KiCAD by Sabin Zarrandikoetxea and Bert Steyaert.
Main components on the 2021 Accumulator Base
2021 Accumulator Base bill of materials (BOM)
136 components, 56 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC86 | 74HC86DR2G | U1 |
| 1 | IMD | IMD | U2 |
| 1 | SDC_9-8-20 | SDC_9-8-20 | U3 |
| 1 | LAUNCHXL-F28379D | LAUNCHXL-F28379D | U4 |
| 1 | PWR_Transducer | PWR_Transducer | U5 |
| 1 | NCS1S1212SC | Converter_DCDC_Murata_NCS1SxxxxSC_THT | U6 |
| 1 | QHL300 | QHL300 | U7 |
| 1 | AIL&TSAL | AIL&TSAL | U8 |
| 1 | LM3670MF | TSOT-23-5 | U9 |
| 1 | G2RL-1-DC12. | G2RL112DC | U10 |
| 1 | G2RL-24-DC12 | G2RL-24 | U11 |
| 1 | DBR71210 | DBR71210 | U12 |
| 1 | DAR71210 | DAR71210 | U13 |
| 7 | Q_NMOS_GDS | TO-252-2 | Q1, Q2, Q3, Q4, Q6, Q7, Q8 |
| 13 | Q_NMOS_GDS | SOT-223-3_TabPin2 | Q5, Q10, Q11, Q12, Q13, Q14, Q15, Q16 +5 |
| 5 | Jumper | PinHeader_1x02_P2.54mm_Vertical | J1, J11, J14, J15, J18 |
| 1 | BMB | Molex_Mini-Fit_Jr_5566-06A_2x03_P4.20mm_Vertical | J2 |
| 1 | TSMP | TE_MATE-N-LOK_1-770870-x_1x03_P4.14mm_Vertical | J3 |
| 1 | Inv&Bat+ | Molex_Mini-Fit_Jr_5566-04A2_2x02_P4.20mm_Vertical | J4 |
| 1 | Peripherals | Molex_Mini-Fit_Jr_5566-18A_2x09_P4.20mm_Vertical | J5 |
Show 36 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Accu Cooling | Molex_Mini-Fit_Jr_5566-04A_2x02_P4.20mm_Vertical | J6 |
| 1 | Interlocks | Molex_Mini-Fit_Jr_5566-08A_2x04_P4.20mm_Vertical | J7 |
| 1 | Main LV | Molex_Mini-Fit_Jr_5566-10A_2x05_P4.20mm_Vertical | J8 |
| 1 | AIRs | Molex_Mini-Fit_Jr_5566-08A_2x04_P4.20mm_Vertical | J9 |
| 1 | Inverter&Motor | Molex_Mini-Fit_Jr_5566-10A_2x05_P4.20mm_Vertical | J10 |
| 1 | EnergyMeter-OUT | Molex_Micro-Fit_3.0_43650-0415_1x04_P3.00mm_Vertical | J12 |
| 1 | Dash | Molex_Mini-Fit_Jr_5566-12A_2x06_P4.20mm_Vertical | J13 |
| 1 | Reset button | Molex_Micro-Fit_3.0_43650-0215_1x02_P3.00mm_Vertical | J16 |
| 1 | Inverter- | Molex_Mini-Fit_Jr_5566-02A2_2x01_P4.20mm_Vertical | J17 |
| 1 | EnergyMeter-IN | Molex_Micro-Fit_3.0_43650-0415_1x04_P3.00mm_Vertical | J19 |
| 1 | LCD | Molex_Micro-Fit_3.0_43650-0415_1x04_P3.00mm_Vertical | J20 |
| 3 | Fuse | Fuseholder_Cylinder-5x20mm_Schurter_0031_8201_Horizontal_Open | F1, F2, F5 |
| 1 | 5A | Fuseholder_Cylinder-5x20mm_Schurter_0031_8201_Horizontal_Open | F3 |
| 1 | 25A | Fuseholder_Blade_Mini_Keystone_3568 | F4 |
| 1 | Fuse | Fuseholder_Blade_Mini_Keystone_3568 | F6 |
| 1 | Fuse | Fuse_1206_3216Metric | F7 |
| 1 | Relay_H3FA-A-DC12 | H3FA-A | K1 |
| 1 | TS53YJ501MR10 | Potentiometer_Vishay_TS53YJ_Vertical | RV1 |
| 2 | STTH212S | D_SMC | D1, D2 |
| 3 | LED | D_0805_2012Metric | D3, D4, D7 |
| 2 | D | D_SMC | D5, D6 |
| 1 | DIODE | D_SOD-323 | D8 |
| 1 | B82724J8612N040 | B82724J8612N040 | L1 |
| 1 | 10u | L_1210_3225Metric | L2 |
| 1 | 1u | CAPPRD250W50D655H1250 | C1 |
| 1 | 10u | CAPAE1700X1700N | C2 |
| 2 | 10u | C_0805_2012Metric | C3, C5 |
| 1 | 4.7u | C_0805_2012Metric | C4 |
| 9 | 100n | C_0805_2012Metric | C6, C8, C10, C11, C12, C13, C14, C15 +1 |
| 2 | 10n | C_0805_2012Metric | C7, C9 |
| 38 | 10k | R_1206_3216Metric | R1, R2, R7, R9, R11, R13, R15, R17 +30 |
| 4 | 2k | R_1206_3216Metric | R3, R4, R5, R14 |
| 1 | HS100 2K F | HS100 | R6 |
| 3 | NC | R_1206_3216Metric | R8, R10, R12 |
| 1 | 120 | R_1206_3216Metric | R16 |
| 1 | R_US | R_Axial_DIN0617_L17.0mm_D6.0mm_P20.32mm_Horizontal | R31 |
2021 Accumulator Base design files
The KiCad project lives in the columbia-fsae/2021_Accumulator_Electronics repository on GitHub; these links point at the commit this page was built from.
2021 Accumulator Base: common questions
How big is the 2021 Accumulator Base PCB?
The 2021 Accumulator Base measures 266.4 × 193.2 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the 2021 Accumulator Base?
136 components, from 56 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2021 Accumulator Base design files?
From the columbia-fsae/2021_Accumulator_Electronics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 2021 Accumulator Base design in my own project?
The repository has no license, so all rights stay with columbia-fsae. Use it as a reference, and ask the author before reusing the design.
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