eveningstar-hardware
ciaassured
Hardware design for the EveningStar ESP32-based Morningstar MeterBus interface.
Components (54)
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N7002 | 1 N-channel 115mA 2.5V 225mW 50pF 5pF 5Ω@10V 60V SOT-23 MOSFETs ROHS |
| U1 | 78L05G | -40°C~+85°C 1 1.7V@(40mA) 100mA 2mA 30V 40uV 5V 80dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal Shutdown Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS |
| U3 | ISO6721RBDR | Low Power Dual-Channel 1/1 Digital Isolator, 50Mbps 11ns, Fail-Safe High, SOIC-8 (150mil) |
| U5 | 74HC14D | -40°C~+125°C 1 1.5V~4.2V 21ns@6V,50pF 2V~6V 2uA 300mV~1.2V 5.2mA 5.2mA 6 74HC Schmitt trigger SOIC-14 Inverters ROHS |
| U6 | LMR38020SDDAR | |
| U7 | ESP32-C6-WROOM-1-N8 | |
| U8 | GD5F2GM7UEYIGR | |
| U9 | W5500 | 10/100Mb SPI Ethernet controller with TCP/IP stack, LQFP-48 |
| U11 | 15uH | |
| USB1 | GT-USB-7055BB | |
| C1,C4,C19,C33,C40 | 10uF | 10uF 25V X5R ±20% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS,10uF 50V X5R ±10% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS,25V 10uF X5R ±20% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C2,C3,C5-C7,C13,C14,C16,C20,C22,C24,C26-C28,C30,C35,C41 | 100nF | 100V 100nF X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS,100nF 50V X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS,50V 100nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C8 | 22uF | 22uF 6.3V X5R ±20% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C9,C10,C15 | 47uF | 10V 47uF X5R ±20% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C11,C12 | 20pF | 20pF 50V C0G ±5% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C17,C18 | 18pF | 50V 18pF C0G ±5% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C21 | 1nF | 2kV 1nF X7R ±10% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C23,C29 | 10nF | 50V 10nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C25 | 4.7uF | 16V 4.7uF X5R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C31,C32 | 6.8nF | 50V 6.8nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C34 | 22nF | 50V 22nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C36 | 22uF 160V | |
| CN1 | WJ15EDGK-3.81-02P-14-00A | Screw terminal plug |
| D1 | USBLC6-2P6 | USBLC6-2P6 |
| D2 | SMBJ40CA_C151262 | |
| D3 | SMBJ17CA | |
| D4 | TX | 25mA Colorless transparent lens 67mcd~195mcd -30°C~+85°C 615nm~630nm Individual diode Red 130° 65mW 1.6V~2.6V 0805 LED Indication - Discrete ROHS |
| D5,D15 | SS210 | -55°C~+150°C 1 Independent 100V 2A 500uA@100V 850mV@2A SMA(DO-214AC) Schottky Diodes ROHS |
| D6 | RX | Emerald 0805 LED Indication - Discrete ROHS |
| D7 | PSM712-LF-T7 | -55°C~+150°C 12V 13.3V 19V 1uA、20uA 30A@8/20us、34A@8/20us 600W@8/20us 75pF IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS Unidirectional SOT-23 ESD and Surge Protection (TVS/ESD) ROHS |
| D12 | White | 0805 LED Indication - Discrete ROHS |
| F1 | 1A | 1A 125V |
| L2 | BLM18PG121SN1D_C14709 | |
| P1 | WJ15EDGRC-3.81-2P | Screw terminal socket |
| R1 | 1.8kΩ | -55°C~+155°C 1.8kΩ 100mW 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS |
| R2,R11 | 100kΩ | -55°C~+155°C 100kΩ 100mW 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS |
| R3,R31 | 1MΩ | -55°C~+155°C 100mW 1MΩ 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS,100mW Thick Film Resistors 75V ±100ppm/°C ±1% 1MΩ 0603 Chip Resistor - Surface Mount ROHS |
| R4 | 2.4kΩ | -55°C~+155°C 100mW 2.4kΩ 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS |
| R6,R9,R10,R13,R17,R20,R21,R24,R39-R41,R52,R57-R61,R66 | 10kΩ | -55°C~+155°C 100mW 10kΩ 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS,100mW Thick Film Resistors 75V ±100ppm/°C ±1% 10kΩ 0603 Chip Resistor - Surface Mount ROHS |
| R7,R12,R25,R32 | 0Ω | 100mW Thick Film Resistors 75V ±1% 0Ω 0603 Chip Resistor - Surface Mount ROHS,3V3_JMP,J_3V3,J_RST |
| R8,R33-R37,R50,R51,R55,R62-R65 | 33Ω | -55°C~+155°C 100mW 33Ω 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS,100mW Thick Film Resistors 75V ±100ppm/°C ±1% 33Ω 0603 Chip Resistor - Surface Mount ROHS |
| R14 | 100Ω | 100mW Thick Film Resistors 75V ±1% ±200ppm/°C 100Ω 0603 Chip Resistor - Surface Mount ROHS |
| R15,R26 | 62kΩ | -55°C~+155°C 100mW 62kΩ 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS |
| R16 | 27kΩ | -55°C~+155°C 100mW 27kΩ 75V Thick Film Resistor ±1% ±100ppm/°C 0603 Chip Resistor - Surface Mount ROHS |
| R18,R19 | 5.1kΩ | 100mW Thick Film Resistors 75V ±100ppm/°C ±1% 5.1kΩ 0603 Chip Resistor - Surface Mount ROHS |
| R22 | 220Ω | 100mW Thick Film Resistors 75V ±100ppm/°C ±1% 220Ω 0603 Chip Resistor - Surface Mount ROHS |
| R38,R42-R44 | 49.9Ω | 100mW Thick Film Resistors 75V ±100ppm/°C ±1% 49.9Ω 0603 Chip Resistor - Surface Mount ROHS |
| R45 | 10Ω | 100mW Thick Film Resistors 75V ±1% ±400ppm/°C 10Ω 0603 Chip Resistor - Surface Mount ROHS |
| R46,R47 | 330Ω | 100mW Thick Film Resistors 75V ±100ppm/°C ±1% 330Ω 0603 Chip Resistor - Surface Mount ROHS |
| RJ1 | GR01M1HXA001 | |
| RJ2 | 5201-6P6C | |
| S1 | Tactile Button, 160gf | CFG_SW |
| X1 | 32.768kHz | -40°C~+85°C 12.5pF 32.768kHz 70kΩ Crystal Oscillator ±20ppm SMD3215-2P Crystals ROHS |
| Y1 | 25MHz | 25MHz Surface Mount Crystal 12pF ±10ppm ±20ppm SMD3225-4P Crystals ROHS |