tiny-scarab
Embeetle
Tiny beetle board based on the CH32V003 10-cent chip.
Components (33)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2,Q6 | DMG1012UW-7 | NMOS 20V, 1A |
| Q3-Q5 | DMP1045U-7 | PMOS 12V, 4A |
| U1 | AP2141WG-7 | Current limited power switch, single channel |
| U2 | 3V3 | LDO (Low-dropout) linear voltage regulator 3V3, 500mA |
| U3 | CH32V305FBP6 | 32-bit Interconnectivity RISC-V MCU |
| U4 | CH32V003F4P6 | 32-bit general-purpose RISC-V MCU |
| C1,C2,C4-C10,C15-C17,C23-C27,C30,C31,C37-C41 | 100n | Unpolarized capacitor |
| C3,C12,C19-C22,C32-C36 | 10u | Unpolarized capacitor |
| C11,C13,C14,C18 | 1u | Unpolarized capacitor |
| C28,C29,C42,C43 | 22p | Unpolarized capacitor |
| D1 | 5V6 | Zener diode 5V6 (5V32-5V92) 1W |
| D2 | 40V 350mA | Schottky diode 40V 350mA |
| F1 | 2A | Fuse 2A, 32V, 57mΩ, fast blow |
| J1 | USB_C_Receptable_USB2.0 | USB 2.0-only type-C receptable connector |
| J3,J4 | CONN_PIN_HEADER_02x07 | Pin header, double row, 02x07, SMD, odd/even pin numbering |
| LED1,LED5 | GREEN | LED GREEN XSW24061001 |
| LED2 | RED | LED RED XSW24061002 |
| LED3,LED4 | BLUE | LED BLUE XSW24061003 |
| R1 | 330 | Resistor |
| R3,R29 | 210 | Resistor |
| R4,R5 | 5k1 | Resistor |
| R6 | 100 | Resistor |
| R7,R9 | 220 | Resistor |
| R12,R18,R28 | 1k | Resistor |
| R13,R24,R25,R30 | 100k | Resistor |
| R14,R16 | 33 | Resistor |
| R19,R20,R27 | 10k | Resistor |
| R21-R23 | 0 | Resistor |
| R26 | 470 | Resistor |
| SW4,SW5 | 12V 50mA | NO push button, 12V, 50mA,SPDT slide switch, 12V, 50mA |
| TVS1-TVS3,TVS7-TVS35 | 5V | TVS bidirectional, 5V, 2.7-3.5pF,TVS diode bidirectional 5V, 1pF,TVS unidirectional, 400W, 5V |
| XTAL1 | 12MHz | Crystal 12MHz 20pF ±20ppm |
| XTAL2 | 24MHz | Crystal 24MHz 22pF ±10ppm |