CH643-Pico
WayneWu3
A development board based on the WCH CH643Q 32-bit RISC-V MCU.
Components (17)
| Reference | Value | Description |
|---|---|---|
| U1 | CH643Q | |
| U2 | ME6217C33 | Output Type:Fixed Voltage - Supply:6.5V Output Voltage:3.3V Output Voltage:3.3V Output Current:800mA Power Supply Rejection Ratio (PSRR):65dB@(1kHz) Voltage Dropout:180mV@(300mA) standby current:100uA Features:Over Temperature Protection；Enable Operating |
| C1,C3,C15 | 0.1uF | Unpolarized capacitor |
| C2,C10,C11 | 10uF | Unpolarized capacitor |
| D1,D8,D9 | PESDMC2FD5VB | Polarity:Bidirectional Reverse Stand-Off Voltage (Vrwm):5V Clamping Voltage:11V Peak Pulse Current (Ipp):4.2A Peak Pulse Power Dissipation (Ppp):40W@8/20us Reverse Leakage Current (Ir):1uA level of protection:IEC 61000-4-4；IEC 61000-4-2 Type:ESD Junction |
| D2,D5,D7,D10,D11 | LED | Light emitting diode |
| D3,D4 | MBR120V | Voltage - Forward(Vf@If):300mV@1A Voltage - DC Reverse(Vr):20V Current - Rectified:1A Reverse Leakage Current (Ir):600uA@20V Operating Junction Temperature Range:-65°C~+125°C Operating Junction Temperature Range:-65°C~+125°C Non-Repetitive Peak Forward Surge |
| D6 | MM1Z20V | Diode Configuration:Independent Type Zener Voltage (Nom):20V Reverse Leakage Current (Ir):100nA@15V Zener Voltage (Range):18.8V~21.2V Zener Voltage (Range):18.8V~21.2V Power Dissipation:500mW Zener Impedance (Zzt):50Ω |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2,J3 | Conn_01x20_Pin | Generic connector, single row, 01x20, script generated |
| J4,J5 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
| KEY1,KEY2 | Key | Actuator Style:Oval Button Operating Force:2.6N Mounting Type:Surface Mount,Vertical Length:4.2mm Width:3.35mm Switch Height:2.5mm Contact Current:50mA Voltage Rating:12V Actuator/Cap Color:White Life:- |
| R1 | 2k | Resistor |
| R2,R3,R12 | NC | Resistor |
| R4,R7-R9,R14,R16 | 1k | Resistor |
| R5,R6,R10,R11 | 0R | Resistor |
| R13,R15 | 4.7k | Resistor |