4 layers143 × 55 mm
2 layers50 × 50 mm
OpticalMosfetSmaller
WingTechCorner/WTC_PROJECT-OpticallyIsolatedQuadMosfetBoard1PCB Board designed to control 4 optically isolated MOSFETS via an ESP32 module
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 57
- Nets
- 60
- Pads
- 209
- Tracks, vias
- 538, 43
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 4 Jan 2021
- Updated
- 3 Jun 2021
Overview
OpticalMosfetSmaller is an open-source printed circuit board by WingTechCorner, from the WingTechCorner/WTC_PROJECT-OpticallyIsolatedQuadMosfetBoard repository on GitHub. It is a 2-layer board of 50 × 50 mm with 57 parts on 60 nets, routed with 538 tracks and 43 vias.
It is built around the ESP32-WROOM-32D, EL817(S1)(TU) and IRF540N. Its parts include 19 resistors, 9 capacitors, 6 ICs, 6 transistors and 5 connectors. It belongs with the ESP32 boards of this library.
Main components
3
ESP32-WROOM-32D
-- WiFi Modules ROHSEspressif SystemsWiFi Modules
EL817(S1)(TU)
SMD-4P-55℃~+110℃ 1 1.2V 100mV@20mA,1mA 18us 18us 200mW 35V 50% 50mA 5kV 600% 60mA 9V DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHSEverlight ElectronicsTransistor, Photovoltaic Output Optoisolators
IRF540N
TO-2201 N-channel 1.35nF 100V 130W 280pF 33A 35mΩ@10V 4V 52nC@10V 85pF N-Channel TO-220 MOSFETs ROHSOSENMOSFETs
README
README.mdOpticallyIsolatedQuadMosfetBoard
PCB Board designed to control 4 optically isolated MOSFETS via an ESP32 module
Parts
57| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100Ohms-±1%-1_16W-0402 | Resistor_SMD:R_0402_1005Metric | R1, R2, R3, R5, R6, R8, R9, R11 |
| 5 | Screw_Terminal_01x02_K301_5mm | WingCustomParts:TerminalBlock_bornier-2_P5.08mm | J1, J3, J4, J12, PWR1 |
| 4 | 10KOhms-±1%-1_16W-0402 | Resistor_SMD:R_0402_1005Metric | R12, R16, R17, R19 |
| 4 | 39KOhms-±1%-1_16W-0402 | Resistor_SMD:R_0402_1005Metric | R4, R7, R10, R13 |
| 4 | EL817S1 | WingCustomParts:SMD-4_4.6x6.5x2.54P | U2, U3, U4, U5 |
| 4 | IRF540N | Package_TO_SOT_THT:TO-220-3_Vertical | Q1, Q2, Q3, Q4 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | 100nF-16V-0402 | Capacitor_SMD:C_0402_1005Metric | C5, C8, C9 |
| 3 | Conn_01x03 | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | DAC0, OWI1, PMODE0 |
| 2 | 100nF-50V-0603 | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | 10nF-50V-0402 | Capacitor_SMD:C_0402_1005Metric | C6, C7 |
| 2 | 10uF-25V-0805 | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 1KOhms-±1%-1_16W-0402 | Resistor_SMD:R_0402_1005Metric | R15, R18 |
| 2 | Conn_01x04_Male | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | I2C0, UART1 |
| 2 | Q_NPN_S9013 | Package_TO_SOT_SMD:SOT-23 | Q5, Q6 |
| 1 | 47Ohms-±1%-1_16W-0402 | Resistor_SMD:R_0402_1005Metric | R14 |
| 1 | BLUE_LED | Diode_SMD:D_0603_1608Metric | D1 |
| 1 | Conn_01x08_Female | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | EXP1 |
| 1 | ESP32-WROOM-32D | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | SW-Tactile-4.5x4.5_7mm | KiCad-Library-JLCPCB:SMT-SW-SPST-4.5x4.5_plain | SW1 |
| 1 | XC6206-vreg | Package_TO_SOT_SMD:SOT-23 | U6 |
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Questions
How big is the OpticalMosfetSmaller PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OpticalMosfetSmaller use?
57 parts, built around the ESP32-WROOM-32D, EL817(S1)(TU) and IRF540N. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the OpticalMosfetSmaller KiCad files?
From the WingTechCorner/WTC_PROJECT-OpticallyIsolatedQuadMosfetBoard repository on GitHub, at the commit this page was made from: the board is OpticalMosfetSmaller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the OpticalMosfetSmaller design in my own project?
Its repository states no licence, so its author keeps all rights: ask WingTechCorner before reusing the design.