Sdc mcu
About the Sdc mcu PCB
Sdc mcu is an open source STM32 PCB design by ncku-formula-racing, published on GitHub. It is a 2-layer board measuring 70 × 50 mm, with 131 components from 41 distinct parts.
Its main chip is the STM32F103C8Tx, from the STM32 family. Other key parts include the VOM618AT, AS331KTR-G1, SN65HVD256D and AP2204K-ADJ. By type, the board carries 57 resistors, 27 capacitors, 17 diodes, 11 ICs, 8 transistors and 4 relays.
From the project
A monorepo of circuit boards
Main components on the Sdc mcu
Sdc mcu bill of materials (BOM)
131 components, 41 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | VOM618AT | SOP-4_3.8x4.1mm_P2.54mm | U1, U2, U6, U7 |
| 3 | AS331KTR-G1 | SOT-23-5 | U3, U4, U5 |
| 1 | SN65HVD256D | SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 2 | AP2204K-ADJ | SOT-23-5 | U10, U12 |
| 1 | STM32F103C8Tx | LQFP-48_7x7mm_P0.5mm | U11 |
| 8 | 2N7002 | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 |
| 1 | 8M | Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm | Y1 |
| 1 | 32.768k | Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm | Y2 |
| 1 | Conn_02x13_Odd_Even | PinHeader_2x13_P2.54mm_Vertical | J2 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 2 | Jumper_2_Open | TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | JP1, JP2 |
| 4 | G2RL-2A | Relay_DPST_Omron_G2RL-2A | K1, K2, K3, K4 |
| 1 | BSPD BTN LED | LED_0805_2012Metric | D1 |
| 1 | BMS BTN LED | LED_0805_2012Metric | D2 |
| 6 | 1N4148W | D_SOD-123 | D3, D4, D6, D7, D11, D12 |
| 1 | SW BTN LED | LED_0805_2012Metric | D5 |
| 2 | PWR | LED_0805_2012Metric | D9, D13 |
| 1 | IMD BTN LED | LED_0805_2012Metric | D10 |
| 1 | LED | LED_0805_2012Metric | D15 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | ~ | LED_0805_2012Metric | D16, D17, D18 |
| 1 | DESD2CAN2SOQ | TSOT-23 | D19 |
| 13 | 100n | C_0603_1608Metric | C1, C2, C3, C4, C6, C7, C9, C10 +5 |
| 1 | 100u | C_Radial_D5.0mm_H5.0mm_P2.00mm | C5 |
| 2 | 1u | C_0603_1608Metric | C8, C28 |
| 3 | NC | C_Disc_D3.0mm_W1.6mm_P2.50mm | C11, C12, C13 |
| 1 | 1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C16 |
| 1 | 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C17 |
| 4 | 20p | C_0603_1608Metric | C18, C19, C20, C21 |
| 2 | 10u | C_0805_2012Metric | C23, C29 |
| 5 | 100R | R_0603_1608Metric | R1, R2, R13, R14, R27 |
| 3 | 432R | R_0603_1608Metric | R3, R4, R21 |
| 15 | 100k | R_0603_1608Metric | R5, R6, R15, R16, R22, R28, R34, R36 +7 |
| 17 | 10k | R_0603_1608Metric | R7, R8, R9, R10, R19, R20, R23, R24 +9 |
| 3 | 3k | R_0603_1608Metric | R11, R12, R26 |
| 1 | 1k | R_0603_1608Metric | R17 |
| 1 | 301k | R_0603_1608Metric | R33 |
| 8 | 47k | R_0603_1608Metric | R35, R39, R41, R42, R44, R46, R48, R50 |
| 2 | 60R | R_0603_1608Metric | R37, R38 |
| 1 | 165k | R_0603_1608Metric | R55 |
| 1 | 4.7k | R_0603_1608Metric | R56 |
Sdc mcu design files
The KiCad project lives in the ncku-formula-racing/circuit repository on GitHub; these links point at the commit this page was built from.
- Layoutsdc_mcu/sdc_mcu.kicad_pcb
- Schematicsdc_mcu/sdc_mcu.kicad_sch
Sdc mcu: common questions
What microcontroller does the Sdc mcu use?
The Sdc mcu is built around the STM32F103C8Tx, from the STM32 family.
How big is the Sdc mcu PCB?
The Sdc mcu measures 70 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sdc mcu?
131 components, from 41 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sdc mcu design files?
From the ncku-formula-racing/circuit repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sdc mcu design in my own project?
The repository has no license, so all rights stay with ncku-formula-racing. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Sdc mcu without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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