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CohenMurray
| Reference | Value | Description |
|---|---|---|
| IC1 | E22-900M33S | |
| U1 | STM32F411CEUx | |
| U2 | MCP1700x-250xxTT | 250mA Low Quiscent Current LDO, 2.5V output, SOT-23 |
| U3 | AP62200WU | 2.5A, 1.3MHz Buck DC/DC Converter, 4.2V-18V input voltage, 0.8V-7V adjustable output voltage, TSOT-23-6 |
| C1,C5 | 16pF | |
| C2,C3 | 5pF | |
| C4 | 4.7uF | |
| C6-C10,C12,C17 | 0.1uF | Unpolarized capacitor |
| C13,C14 | 1uF | Unpolarized capacitor |
| C15 | 10uF | Unpolarized capacitor |
| C16,C18 | 22uF | Unpolarized capacitor |
| D1 | WS2812B | RGB LED with integrated controller |
| D2,D3 | 5.23V | Zener diode |
| D4 | GREEN | Light emitting diode |
| D5 | RED | Light emitting diode |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2 | DBG/PGRM Hdr. | Generic connector, single row, 01x04, script generated |
| J3 |
| DATA IN |
| Generic connector, single row, 01x03, script generated |
| J4 | GPS | Generic connector, single row, 01x04, script generated |
|---|
| J5 | Battery | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J6 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| L1 | 4.7uH | Inductor |
|---|
| R1,R2 | 10 | Resistor |
|---|
| R3,R4,R11 | 5.1k | Resistor |
|---|
| R5-R7 | 10K | Resistor |
|---|
| R8 | 10k | Resistor |
|---|
| R9 | 52.3k | Resistor |
|---|
| R10 | 1k | Resistor |
|---|
| SW1 | BOOT | MEC 5E single pole normally-open tactile switch |
|---|
| SW2 | RESET | MEC 5E single pole normally-open tactile switch |
|---|
| TP1 | GND | test point |
|---|
| TP2 | +5v | test point |
|---|
| Y1 | 25MHZ 18pF | ECS-250-18-5PX-F-TR |
|---|
| Y2 | 32.768k 12.5pF |
|---|