

- Size
- 57.9 × 73 mm
- Copper layers
- 4
- Thickness
- 4.69 mm
- Parts
- 56
- Nets
- 127
- Pads
- 332
- Tracks, vias
- 953, 238
- Pours
- 14
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 30 Jul 2023
- Updated
- 23 Oct 2026
Overview
MB V2 is an open-source printed circuit board by WilliamSanchez, from the WilliamSanchez/Hardware repository on GitHub. It is a 4-layer board of 57.9 × 73 mm with 56 parts on 127 nets, routed with 953 tracks and 238 vias.
It is built around the FT232RL, MAX77756CEWL+T and W25Q01JVZEIQ, with the ECMF02-2AMX6 and CPDU24V among its other parts. Its parts include 15 capacitors, 12 diodes, 10 resistors, 8 connectors and 6 ICs. It belongs with the STM32 boards of this library.
Main components
5FT232RL
SSOP-28-208mil-40℃~+85℃ 3.3V~5.25V、4V~5.25V USB 2.0 USB to UART SSOP-28-208mil USB Converters ROHSFTDIUSB ConvertersMAX77756CEWL+T
-Buck Yes - DC-DC Converters ROHSMaxim Integrated (Analog Devices)DC-DC ConvertersW25Q01JVZEIQ
WSON-8-EP(8x6)-40℃~+85℃ 100,000 cycles 133MHz 150ms@(64KB) 1Gbit 2.7V~3.6V 20 Years 3.5ms SPI WSON-8-EP(8x6) NOR FLASH ROHSWinbond ElecNOR FLASHECMF02-2AMX6
UFQFN-6(1.5x1.7)-40℃~+85℃ 2 2.5Ω 200mA UFQFN-6(1.5x1.7) Common Mode Filters ROHSSTMicroelectronicsCommon Mode FiltersCPDU24V
SOD-523F(0603)-40℃~+125℃ 10pF 1A@8/20us 24V 28V 2uA 47V 47W@8/20us Bidirectional ESD IEC 61000-4-2 SOD-523F(0603) ESD and Surge Protection (TVS/ESD) ROHSComchipTVS
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 300 | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R9 |
| 5 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C4, C5, C18 |
| 3 | 22uF (10v) | Capacitor_SMD:C_0603_1608Metric | C14, C15, C16 |
| 2 | 2.2uF (25v) | Capacitor_SMD:C_0402_1005Metric | C12, C13 |
| 2 | D_User | Diode_SMD:D_SOD-123 | D8, D9 |
| 2 | Red | LED_SMD:LED_0603_1608Metric | D1, D3 |
| 2 | USB_B_Micro | Connector_USB:USB_Mini-B_Wuerth_65100516121_Horizontal | J3, J4 |
| 1 | 0.1uF (10V) | Capacitor_SMD:C_0402_1005Metric | C11 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 100pF | Capacitor_SMD:C_0402_1005Metric | C6 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 10uH | Inductor_SMD:L_1008_2520Metric | L2 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C17 |
| 1 | 1uF (25v) | Capacitor_SMD:C_0603_1608Metric | C9 |
| 1 | 1uF (6v) | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | BOOT | Button_Switch_SMD:SW_SPST_TL3305A | SW2 |
| 1 | Blue | LED_SMD:LED_0603_1608Metric | D12 |
| 1 | CPDU24V | Diode_SMD:D_0603_1608Metric | D7 |
| 1 | ECMF02-2AMX6 | Lib_footprint:ECMF02-2AMX6 | U6 |
| 1 | ESD5Zxx | Lib_footprint:ESDA7P60-1U1M | D6 |
| 1 | FS | Diode_SMD:D_1812_4532Metric | F1 |
| 1 | FT232RL | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U3 |
| 1 | Green | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | Head_Magnetic_Card | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | Host | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J2 |
| 1 | INT | Button_Switch_SMD:SW_SPST_TL3305A | SW3 |
| 1 | MAX77756CEWL+T | Lib_footprint:MAX77756CEWL&plus_T | U7 |
| 1 | Magtek | Lib_footprint:MagTrack | U1 |
| 1 | NRST | Button_Switch_SMD:SW_SPST_TL3305A | SW1 |
| 1 | PA | Connector_PinSocket_2.54mm:PinSocket_2x05_P2.54mm_Vertical | J5 |
| 1 | PB | Connector_PinSocket_2.54mm:PinSocket_2x10_P2.54mm_Vertical | J6 |
| 1 | PC | Connector_PinSocket_2.54mm:PinSocket_2x06_P2.54mm_Vertical | J7 |
| 1 | Rx | LED_SMD:LED_0603_1608Metric | D11 |
| 1 | STM32WB5MMGH6TR | Jon_MV:STM32WB5MMGH6TR | U2 |
| 1 | Tx | LED_SMD:LED_0603_1608Metric | D10 |
| 1 | W25Q01JVZEIQ | Package_SON:WSON-8-1EP_8x6mm_P1.27mm_EP3.4x4.3mm | U5 |
| 1 | White | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | Yellow | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | source | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J8 |
Questions
How big is the MB V2 PCB?
It measures 57.9 × 73 mm and has 4 copper layers, 4.69 mm thick.
What parts does the MB V2 use?
56 parts, built around the FT232RL, MAX77756CEWL+T, W25Q01JVZEIQ and ECMF02-2AMX6. 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 MB V2 KiCad files?
From the WilliamSanchez/Hardware repository on GitHub, at the commit this page was made from: the board is MB_v2_4L/MB_V2pcb/MB_V2/MB_V2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MB V2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask WilliamSanchez before reusing the design.
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