STM32 USB is an open-source printed circuit board by Swenson-EE, from the Swenson-EE/Embedded-Sensor-Interface-with-FreeRTOS repository on GitHub. It is a 4-layer board of 72.4 × 56.7 mm with 34 parts on 40 nets, routed with 204 tracks and 27 vias.
It is built around the AP62300TWU and USB4105-GF-A. Its parts include 15 capacitors, 8 connectors, 5 resistors, 3 ICs and 2 switches. It belongs with the STM32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100nF | Capacitor_SMD:C_0201_0603Metric | C2, C3, C6, C10, C13, C14 |
| 3 | Conn_01x01_Pin | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J2, J3, J7 |
| 2 | 0.1uF | Capacitor_SMD:C_0201_0603Metric | C8, C15 |
| 2 | 150uF | Capacitor_SMD:CP_Elec_10x10 | C11, C12 |
| 2 | 1uF | Capacitor_SMD:C_0201_0603Metric | C5, C7 |
| 2 | 222AMVBAR | footprints:222AMVBAR | SW1, SW2 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | Conn_01x08_Pin | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J5, J6 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | 10nF | Capacitor_SMD:C_0201_0603Metric | C4 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_5x5.3 | C9 |
| 1 | 2.2uH | Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | 4.7uF | Capacitor_SMD:C_0201_0603Metric | C1 |
| 1 | 67k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | AP62300TWU | Package_TO_SOT_SMD:TSOT-23-6 | U2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | Conn_01x07_Pin | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J4 |
| 1 | MCP9700Ax-ETT | Package_TO_SOT_SMD:SOT-23 | U3 |
| 1 | STM32L432KBUx | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U1 |
| 1 | USB4105-GF-A | footprints:GCT_USB4105-GF-A | J1 |
It measures 72.4 × 56.7 mm and has 4 copper layers, 1.6 mm thick.
34 parts, built around the AP62300TWU and USB4105-GF-A. 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.
From the Swenson-EE/Embedded-Sensor-Interface-with-FreeRTOS repository on GitHub, at the commit this page was made from: the board is pcb/STM32 USB.kicad_pcb and its schematic pcb/STM32 USB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Swenson-EE before reusing the design.
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