usb_proto
brainsmoke
Components (24)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32F072CBTx | STMicroelectronics Arm Cortex-M0 MCU, 128KB flash, 16KB RAM, 48 MHz, 2.0-3.6V, 37 GPIO, LQFP48 |
| U2 | AP2112K-3.3 | |
| U3 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U4 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 |
| U5 | MT3608 | High Efficiency 1.2MHz 2A Step Up Converter, 2-24V Vin, 28V Vout, 4A current limit, 1.2MHz, SOT23-6 |
| C1,C9,C12,C13 | 4.7uF | |
| C2-C6,C10,C11 | 1uF | |
| C7,C8 | 10pF | |
| D1-D3 | LED | Light emitting diode |
| D4 | SS14 | Schottky diode |
| J1 | USB_C_Receptacle_USB2.0 | |
| J2-J4 | Conn_01x08_Socket | Generic connector, single row, 01x08, script generated |
| L1 | 4.7uH | Inductor |
| R1,R2 | 5k1 | |
| R3,R8,R14,R16,R25 | 100k | |
| R4-R6 | 330 | |
| R7,R9-R12 | 100 | |
| R13 | 22 | |
| R15,R17-R19,R21 | 20k | |
| R20 | 6k2 | |
| R22-R24 | 220k | |
| R26 | 3k9 | |
| SW1 | SW_SPST | Single Pole Single Throw (SPST) switch |
| Y1 | Crystal_GND24 | Four pin crystal, GND on pins 2 and 4 |