Clavier
lsartory
An FPGA-based mechanical keyboard with an integrated USB hub and communication interfaces
Components (34)
| Reference | Value | Description |
|---|---|---|
| U1-U5,U9-U15 | TPESD0594PA | 4-Channel Low Capacitance TVS Diode Array, DFN-10 |
| U6-U8 | TLV62569DBVR | High Efficiency Synchronous Buck Converter, Adjustable Output 0.6V-5.5V, 2A, SOT-23-5 |
| U16 | GL852G-OHY60 | 4-port USB hub |
| U17 | CH347F | USB converter |
| U18 | LFE5U-25F-6BG256C | ECP5 FPGA, 24K LUTs, 1.1V, BGA-256 |
| U19 | W25Q128JVSIQ | 128Mbit / 16MiB Serial Flash Memory, Standard/Dual/Quad SPI, 2.7-3.6V, SOIC-8 |
| C1-C10 | 22µF | |
| C11-C13 | 10µF | |
| C14,C16,C17,C19,C20,C22,C24-C28,C31,C33,C35,C37,C38,C40 | 1µF | |
| C15,C21,C29,C30,C32,C34,C36,C39 | 100nF | |
| C18,C23 | 20pF | |
| D1-D6 | LED | Light emitting diode |
| D7 | SD05C-7 | 5V, 450W Discrete Bidirectional TVS Diode, SOD-323 |
| F1 | Polyfuse | Resettable fuse, polymeric positive temperature coefficient |
| J1-J6 | Pin header, 2x4 | Generic connector, double row, 02x04, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7 | 918-418K2023S40001 | USB 2.0-only 16P Type-C Receptacle connector |
| J8 | Pin header, 1x4 | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J9,J10 | 901-211A1021D10100 | USB Type A connector |
| L1-L4 | 2.2µH | Inductor |
| R1-R6,R13 | 2.55kΩ | |
| R7,R8 | 5.1kΩ | |
| R9 | 1kΩ | |
| R10-R12,R23-R25,R29,R32 | 10kΩ | |
| R14 | 11.5kΩ | |
| R15,R31 | 1.5kΩ | |
| R16 | 4.75kΩ | |
| R17 | 1.65kΩ | |
| R18 | 1.37kΩ | |
| R19-R22,R26,R27 | 100kΩ | |
| R28 | 47kΩ | |
| R30 | 680Ω | |
| SW18 | DSIC01LS-P | 1x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| Y1 | 8MHz | Four pin crystal, GND on pins 2 and 4 |
| Y2,Y3 | 12MHz | 12 MHz Crystal Oscillator |