2 layers78.9 × 82 mm
2 layers104.7 × 137.7 mm
- Size
- 104.7 × 137.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 96
- Nets
- 113
- Pads
- 364
- Tracks, vias
- 535, 715
- Pours
- 111
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 17 Nov 2023
- Updated
- 12 Mar 2024
Overview
BFMC is an open-source printed circuit board by DONGKHOA, from the DONGKHOA/BFMC_BCARPRO repository on GitHub. It is a 2-layer board of 104.7 × 137.7 mm with 96 parts on 113 nets, routed with 535 tracks and 715 vias.
It is built around the BSN20, MMBT2222A and SS26. Its parts include 41 capacitors, 19 resistors, 18 connectors, 6 diodes and 6 transistors.
Main components
3
BSN20
SOT-23-55℃~+150℃ 1 N-channel 1.5V 17.5pF 2.4nC@10V 2.5Ω@10V 300mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHSSlkorMOSFETsMMBT2222A
SOT-23-55℃~+150℃ 1 NPN 100 100nA 1V 300MHz 300mW 40V 600mA 6V NPN Standalone SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
SS26
DO-214AC(SMA)2A 500uA 60V 700mV Independent DO-214AC(SMA) Schottky Diodes ROHSElecSuperSchottky Diodes
Parts
96| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 100nF/16V | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C12, C14, C16, C20, C21, C23, C26, C27, C30, C31, C34, C35, C36, C37, C41 +3 |
| 18 | 10uF/16V | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11, C13, C15, C17, C18, C19, C22, C24, C25, C28, C29, C32, C33, C38, C39, C40 +2 |
| 9 | 10k/1% | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R5, R6, R7, R8, R9, R10, R13, R14 |
| 4 | 1k/1% | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R15, R16, R19 |
| 3 | 510/1% | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R17, R18 |
| 3 | BSN20 | BSN20BKR:SOT23_NEX | Q1, Q2, Q3 |
| 3 | MMBT2222A | MMBT2222A:SOT23 | Q4, Q5, Q6 |
| 3 | SS26 | SS34:DIOM4325X250N | D1, D2, D3 |
| 2 | 0/1% | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11, R12 |
| 2 | 10uF/16V | Capacitor_SMD:CP_Elec_4x5.4 | C1, C2 |
| 2 | 1uF/16V | Capacitor_SMD:CP_Elec_4x5.4 | C3, C4 |
| 2 | ORANGE | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | LED1, LED2 |
| 1 | 12V | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J1 |
| 1 | 12V | Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F1 |
| 1 | 2k/1% | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 1 | 5V | Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F2 |
| 1 | 5V | TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type073_RT02602HBLU_1x02_P5.08mm_Horizontal | J2 |
| 1 | BLUE | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | LED3 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | FAN_FET | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J14 |
| 1 | FAN_RAS | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J15 |
| 1 | HC_SR04_1 | Connector_XH_2:au_XH_2.54mm_4_Chan_Dan_SMD_Nam_Ngang | J10 |
| 1 | HC_SR04_2 | Connector_XH_2:au_XH_2.54mm_4_Chan_Dan_SMD_Nam_Ngang | J11 |
| 1 | HC_SR04_3 | Connector_XH_2:au_XH_2.54mm_4_Chan_Dan_SMD_Nam_Ngang | J12 |
| 1 | HC_SR04_4 | Connector_XH_2:au_XH_2.54mm_4_Chan_Dan_SMD_Nam_Ngang | J13 |
| 1 | IMU_3V3 | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J8 |
| 1 | IMU_5V | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J9 |
| 1 | IMU_DATA | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J7 |
| 1 | INIT_BLDC | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J3 |
| 1 | LED_LEFT | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J16 |
| 1 | LED_RIGHT | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J17 |
| 1 | LOGO | logo:logo_bfmc | G*** |
| 1 | MOTOR_BLDC | Connector_XH_2:au_XH_2.54mm_2_Chan_Dan_SMD_Nam_Ngang | J4 |
| 1 | MOTOR_CAMERA | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J6 |
| 1 | MOTOR_STEERING | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J5 |
| 1 | NUCLEO-F401RE | NUCLEO-F401RE:ST_NUCLEO-F401RE | U1 |
| 1 | RASPBERRY_PI_4B_4GB | RASPBERRY_PI_4B_4GB:MODULE_RASPBERRY_PI_4B_4GB | U2 |
| 1 | ~ | JACK_PS2:jack_ps2 | J18 |
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Questions
How big is the BFMC PCB?
It measures 104.7 × 137.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BFMC use?
96 parts, built around the BSN20, MMBT2222A and SS26. 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 BFMC KiCad files?
From the DONGKHOA/BFMC_BCARPRO repository on GitHub, at the commit this page was made from: the board is Hardware/BFMC/BFMC.kicad_pcb and its schematic Hardware/BFMC/BFMC.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BFMC design in my own project?
Its repository states no licence, so its author keeps all rights: ask DONGKHOA before reusing the design.