node_hardware
VTC-WISDOM
Schematic/PCB designs for WiSDOM nodes, also includes a few other related hardware projects
Components (43)
| Reference | Value | Description |
|---|---|---|
| Q1 | DMG2301L | -3A Id, -20V Vds, P-Channel MOSFET, SOT-23 |
| U1 | RP2040 | A microcontroller by Raspberry Pi |
| U2 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U3 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U5 | MCP73831-2-OT | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Tri-State Status Output, in SOT23-5 package |
| U6 | RFM69HCW | Low power ISM Radio Transceiver Module, SPI interface, AES encryption, 434 or 915 MHz, up to 100mW, up to 300 kb/s, SMD-16, DIP-16 |
| U7 | PCF8523T | Realtime Clock/Calendar I2C Interface, SOIC-8 |
| U8 | SP3485EN | Transceiver 10Mbps 1/1 SOIC-8 RS-485 / RS-422 ICs ROHS |
| U9 | SIM7080G | |
| U12 | CAT24M01W | 1 Mb I2C CMOS Serial EEPROM, SOIC-8 |
| U14 | W25Q128 | 128Mbit SOIC-8-208mil NOR FLASH ROHS |
| BT1 | Battery_Cell | Single-cell battery |
| C1-C8,C10-C12,C17,C28,C30,C37,C38,C44 | 0.1u | 16V 100nF X7R ±10% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C9,C25 | 7p | Unpolarized capacitor |
| C13,C15,C18,C23,C24,C29,C45 | 10u | 25V 10uF X5R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C14,C16,C41 | 1u | 50V 1uF X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C19,C20 | 15pF | 50V 15pF C0G ±5% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C21,C22 | 4.7u | 25V 4.7uF X5R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C26 | 3.3u | Unpolarized capacitor |
| C34-C36,C43 | 33p | 50V 33pF C0G ±5% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C39,C40,C42 | 100u | 6.3V 47uF X5R ±20% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C47 | 10uF | 25V 10uF X5R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C48 | 100nF | 16V 100nF X7R ±10% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| D1 | LED | Light emitting diode |
| D2 | SS14 | 40V Independent Type 1A 550mV@1A SMA(DO-214AC) Schottky Diodes ROHS |
| J1 | 786463001 | |
| J2,J6,J9 | U.FL | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J3 | Conn_Coaxial | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4,J5 | Conn_01x10 | Generic connector, single row, 01x10, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7,J11 | Barrel_Jack_Switch | DC Barrel Jack with an internal switch |
| J10 | Connector, USB-TYPE-C-16P | 3A 1 Horizontal attachment 16P Female -25℃~+85℃ Type-C SMD USB Connectors ROHS |
| L1 | 68nH | Inductor |
| R1,R2 | 27.4 | 100mW Thick Film Resistors 75V ±1% ±200ppm/°C 27Ω 0603 Chip Resistor - Surface Mount ROHS |
| R3,R4 | 5.1k | Resistor |
| R5,R7 | 1k | 125mW Thick Film Resistors 150V ±100ppm/°C ±1% 1kΩ 0805 Chip Resistor - Surface Mount ROHS |
| R6 | 2k | 125mW Thick Film Resistors 150V ±100ppm/°C ±1% 2kΩ 0805 Chip Resistor - Surface Mount ROHS |
| R8-R10,R20 | 10k | 125mW Thick Film Resistors 150V ±100ppm/°C ±1% 10kΩ 0805 Chip Resistor - Surface Mount ROHS,Resistor |
| R11-R13,R16 | 22 | 125mW Thick Film Resistors 150V ±100ppm/°C ±1% 22Ω 0805 Chip Resistor - Surface Mount ROHS,62.5mW Thick Film Resistors 50V ±1% ±100ppm/°C 22Ω 0402 Chip Resistor - Surface Mount ROHS |
| R17,R18 | 470k | 125mW Thick Film Resistors 150V ±100ppm/°C ±1% 470kΩ 0805 Chip Resistor - Surface Mount ROHS |
| SW2,SW3 | PTS636 SM50J SMTR LFS | |
| TH1 | Thermistor_NTC | Temperature dependent resistor, negative temperature coefficient |
| XTAL1 | SC32S-7PF20PPM | |
| Y1 | ABM8-272-T3 | Four pin crystal, GND on pins 2 and 4 |