2 layers85 × 85 mm
2 layers65.1 × 52.9 mm
Repo for 2026 circuit boards
- Size
- 65.1 × 52.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 61
- Nets
- 33
- Pads
- 152
- Tracks, vias
- 273, 54
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 25 Sep 2024
- Updated
- 19 Jun 2026
Overview
BSPD is an open-source printed circuit board by FormulaBartonRacing, from the FormulaBartonRacing/Electronics repository on GitHub. It is a 2-layer board of 65.1 × 52.9 mm with 61 parts on 33 nets, routed with 273 tracks and 54 vias.
It is built around the AMS1117-5.0, LM393AD and P6KE33CA, with the BSS138, AO3401A and G2RL-1-E DC5 among its other parts. Its parts include 27 resistors, 12 capacitors, 6 diodes, 3 transistors and 2 connectors.
Main components
7
AMS1117-5.0
SOT-223-40℃~+125℃ 1 1.3V 15V 1A 5V 60dB Fixed Positive Short Circuit Protection、Thermal shutdown SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
LM393AD
SOIC-8-18V~-2V、2V~18V 0℃~+70℃ 1.3us 100nA 1mA 2 2V~36V 2mV 36V 5nA Open-drain TTL SOIC-8 Comparators ROHSTexas InstrumentsComparators
P6KE33CA
DO-15(DO-204AC)13.3A 1uA 28.2V 31.4V 45.7V TVS DO-15(DO-204AC) ESD and Surge Protection (TVS/ESD) ROHSBORNESD And Surge Protection (TVS/ESD)
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETsAO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
G2RL-1-E DC5
DIP,28.8x12.5mm-40℃~+85℃ 100mΩ 15ms 16A 16A@250VAC、16A@24VDC 300V@DC、440V@AC 400mW 5V 5ms 62.5Ω 8 Non-Polarized - Single Coil One set changeover: 1C (SPDT - changeover) Silver Alloy (Cd-Free) DIP,28.8x12.5mm Power Relays ROHSOmronPower Relays
SN74AHC1G02DBVRQ1
SOT-23-5SOT-23-5 Logic Gates ROHSTexas InstrumentsLogic Gates
Parts
61| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R6, R8, R10, R12, R13, R14, R20, R22, R23 |
| 8 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3, C4, C5, C8, C9, C11, C12 |
| 5 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R9, R11, R18 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4 |
| 3 | 10µ | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C6, C7 |
| 3 | 39k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15, R17, R19 |
| 3 | LM393AD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | I2, I3, I5 |
| 3 | P6KE33CA | Diode_THT:D_DO-15_P12.70mm_Horizontal | D5, D6, D7 |
| 2 | 100R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R24, R25 |
| 2 | 20k | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | R5, R7 |
| 2 | 560k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16, R21 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 1 | 10µ | Capacitor_SMD:C_Elec_5x5.4 | C10 |
| 1 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | 470 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R26 |
| 1 | 560 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R27 |
| 1 | AMS1117-5.0 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Conn_01x02 | Connector_Molex:Molex_KK-396_5273-02A_1x02_P3.96mm_Vertical | J3 |
| 1 | Conn_01x04 | Connector_Molex:Molex_KK-396_5273-04A_1x04_P3.96mm_Vertical | J2 |
| 1 | Err_R_LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | G2RL-1-E | Relay_THT:Relay_DPDT_Omron_G2RL-2 | K2 |
| 1 | LOGO | LOGO | G*** |
| 1 | PWR_G_LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | SN74AHC1G02DBVR | Package_TO_SOT_SMD:SOT-23-5 | I4 |
Questions
How big is the BSPD PCB?
It measures 65.1 × 52.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BSPD use?
61 parts, built around the AMS1117-5.0, LM393AD, P6KE33CA and BSS138. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the BSPD KiCad files?
From the FormulaBartonRacing/Electronics repository on GitHub, at the commit this page was made from: the board is BSPD/BSPD.kicad_pcb and its schematic BSPD/BSPD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BSPD design in my own project?
Its repository states no licence, so its author keeps all rights: ask FormulaBartonRacing before reusing the design.
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