Mock inverter
About the Mock inverter PCB
Mock inverter is an open source AVR/Arduino PCB design by olin-electric-motorsports, published on GitHub. It is a 2-layer board measuring 150.8 × 88 mm, with 65 components from 36 distinct parts.
Its main chip is the ATMEGA16M1-AU-ND, from the AVR/Arduino family. Other key parts include the MAX7221CWG_1, TLV76780DBVR, MCP2561-E/SN-ND, ADUM4150ARIZ-RL and ADS7816U. By type, the board carries 20 resistors, 16 capacitors, 7 diodes, 6 ICs, 6 test points and 3 connectors.
From the project
OEM Monorepo
The development of boards for the Mark VI car will go in this folder.
Main components on the Mock inverter
Mock inverter bill of materials (BOM)
65 components, 36 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX7221CWG_1 | MAX7221CWG | U1 |
| 1 | ATMEGA16M1-AU-ND ATMEGA16M1 | TQFP-32_7x7mm_Pitch0.8mm | U2 |
| 1 | TLV76780DBVR | SOT-23-5 | U3 |
| 1 | MCP2561-E/SN-ND MCP2561-E_SN | SOIC-8_3.9x4.9mm_Pitch1.27mm_OEM | U4 |
| 1 | ADUM4150ARIZ-RL | 20-SOIC | U5 |
| 1 | ADS7816U | 8-SOIC | U6 |
| 1 | 887-1125-1-ND Crystal_SMD | Crystal_SMD_FA238 | Y1 |
| 1 | MicroFit_RA_4 | MicroFit_RA_4x1 | J1 |
| 1 | TC2030-IDC TagConnect_6 | TC2030-IDC-NL | J2 |
| 1 | MicroFit_RA_3 | MicroFit_RA_3 | J3 |
| 2 | 0466002.NR F_2A_63V | Fuse_1206 | F1, F2 |
| 1 | 4245 3AG_fuse_holder | 4245 | F3 |
| 1 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | 3350-4275-126 3350-4275 | Relay_Comus_3350 | K1 |
| 1 | PQME1-S5-S5-M | CONV_PQME1-S5-S5-M | PS1 |
| 6 | TestPoint | tp_1.25mm | TP1, TP2, TP3, TP4, TP5, TP6 |
| 1 | 1001 | Adafruit-1001-0-0-MFG | D1 |
| 6 | 475-1410-1-ND LED_WHITE | LED_0603_1608Metric | D2, D3, D4, D5, D6, D7 |
| 7 | 478-3352-1-ND C_0.1uF | C_0603_1608Metric | C1, C3, C8, C9, C12, C13, C16 |
| 1 | 732-7852-1-ND C_100pF | C_0603_1608Metric | C2 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1276-6470-1-ND C_1uF | C_0603_1608Metric | C4 |
| 2 | 1276-1130-1-ND C_30pF | C_0603_1608Metric | C5, C6 |
| 1 | DK C_2.2uF | C_0603_1608Metric | C7 |
| 1 | 1276-1045-1-ND C_4.7uF | C_0603_1608Metric | C10 |
| 1 | 1276-1052-1-ND C_10uF | C_0603_1608Metric | C11 |
| 2 | C_220uF | LLS2W221MELB | C14, C15 |
| 2 | RNCP0805FTD100RCT-ND R_100 | R_0603_1608Metric | R1, R2 |
| 1 | R25.4k | R_0603_1608Metric | R3 |
| 1 | CRS0805-FX-1002ELFCT-ND R_10K | R_0603_1608Metric | R4 |
| 4 | RMCF0805JT200RCT-ND R_499 | R_0603_1608Metric | R5, R6, R17, R18 |
| 1 | 667-ERJ-6ENF1200V R_120 | R_0603_1608Metric | R7 |
| 6 | SR2512JK-7W20KL R20k | R_2512_OEM | R8, R9, R10, R14, R15, R20 |
| 2 | AP101_500R_F R560 | R_3k_HS_TO247 | R11, R19 |
| 1 | RNCP0805FTD1K00CT-ND R_1K | R_0603_1608Metric | R12 |
| 1 | R10 | R_0603_1608Metric | R13 |
| 1 | RMCF0805FT1M82CT-ND R_499 | R_0603_1608Metric | R16 |
Mock inverter design files
The KiCad project lives in the olin-electric-motorsports/olin-electric-motorsports repository on GitHub; these links point at the commit this page was built from.
Mock inverter: common questions
What microcontroller does the Mock inverter use?
The Mock inverter is built around the ATMEGA16M1-AU-ND, from the AVR/Arduino family.
How big is the Mock inverter PCB?
The Mock inverter measures 150.8 × 88 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mock inverter?
65 components, from 36 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mock inverter design files?
From the olin-electric-motorsports/olin-electric-motorsports repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Mock inverter design in my own project?
The repository has no license, so all rights stay with olin-electric-motorsports. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Mock inverter without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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