macropad
Michael-Lloyd
A simple macropad powered by an 18650, with bluetooth capabilities.
Components (43)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMG9926UDM | 4.2A Id, 20V Vds, Common-Drain, Dual Half Bridge N-Channel MOSFET, 28mOhm Ron, SOT-23-6 |
| U1 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U2 | ENW89854A3KF | RF TXRX MOD BT1GHZ CER PATCH SMD |
| U3 | BQ2970 | Voltage and Current Protection for Single-Cell Li-Ion and Li-Polymer Batteries |
| U4 | BQ25185DLHR | |
| U5 | MCP23S17_ML | 16-bit I/O expander, SPI, interrupts, w pull-ups, QFN-28 |
| BT1 | BH-18650-PC | Single-cell battery |
| C1,C5 | 100nF | Unpolarized capacitor |
| C2 | 10uF | Unpolarized capacitor |
| C3,C4 | 1uF | Unpolarized capacitor |
| C6 | 100nF DNP | Unpolarized capacitor |
| F1 | 0.75A Hold, 1.5A Trip | Resettable fuse, polymeric positive temperature coefficient |
| FB1 | 0R | Ferrite bead |
| J1 | USB4105-GF-A | USB 2.0-only 16P Type-C Receptacle connector |
| J2 | SWD 10 Pin | Generic connector, double row, 02x05, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R2 | 5.1k, 1% | Resistor |
| R3 | 330R | Resistor |
| R4 | 2.2k | Resistor |
| R5 | 604R, 1% | Resistor |
| R6 | 18k, 1% | Resistor |
| R7 | 1k | Resistor |
| R8,R9,R12 | 10k | Resistor |
| R10 | DNP | Resistor |
| R11 | 100k | Resistor |
| SW1 | KEY 0 | Kailh Choc V2 |
| SW2 | KEY 1 | Kailh Choc V2 |
| SW3 | KEY 2 | Kailh Choc V2 |
| SW4 | KEY 3 | Kailh Choc V2 |
| SW5 | KEY 4 | Kailh Choc V2 |
| SW6 | KEY 5 | Kailh Choc V2 |
| SW7 | KEY 6 | Kailh Choc V2 |
| SW8 | KEY 7 | Kailh Choc V2 |
| SW9 | KEY 8 | Kailh Choc V2 |
| SW10 | KEY 9 | Kailh Choc V2 |
| SW11 | KEY 10 | Kailh Choc V2 |
| SW12 | KEY 11 | Kailh Choc V2 |
| SW13 | KEY 12 | Kailh Choc V2 |
| SW14 | KEY 13 | Kailh Choc V2 |
| SW15 | KEY 14 | Kailh Choc V2 |
| SW16 | JS102011SAQN | Switch, single pole double throw |
| SW17 | SKRKAEE020 | Single Pole Single Throw (SPST) switch |
| TH1 | 10k, beta=3435-3950 | Temperature dependent resistor, negative temperature coefficient |
| TP1,TP4-TP14 | TestPoint | test point |