pcb-projects
salindersidhu
Personal electronics and PCB projects created in KiCad with full documentation.
Components (21)
| Reference | Value | Description |
|---|---|---|
| U1 | CH221K | CH221K is a USB Type-C PD2.0/3.0 sink controller in SOT-23-6 that negotiates 5–20 V from VBUS via CC1/CC2, uses a single CFG resistor to VDD to select the requested voltage, provides an open-drain PG output, and requires a decoupled VDD supply derived from VBUS. |
| U2 | SPX1117M3 | 800mA Low Dropout Linear Regulator, Fixed 3.3V Output, SOT-223-3 |
| C1,C3 | 10u | Unpolarized capacitor |
| C2 | 1u | Unpolarized capacitor |
| C4 | 4700u | Polarized capacitor |
| D1,D2 | ESD5Z | 75V 0.15A Fast switching Diode, SOD-523 |
| D3 | RGB LED | RGB LED, red/anode/green/blue |
| J1 | USBC | |
| J2 | OUT | |
| R1,R11 | 10k | Resistor |
| R2 | 20k | Resistor |
| R3 | 47k | Resistor |
| R4 | 100k | Resistor |
| R5 | 200k | Resistor |
| R6 | 150 | Resistor |
| R7 | 27 | Resistor |
| R8,R9 | 5.1k | Resistor |
| R10 | 1k | Resistor |
| R12 | 10 | Resistor |
| S1 | 5 Dip Switch | |
| S2 | Toggle Switch |