2 layers100 × 90 mm
2 layers16 × 16 mm
Serial
McbeEringi/pcb-stuff2- Size
- 16 × 16 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 15
- Pads
- 53
- Tracks, vias
- 121, 17
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 5 Jul 2023
- Updated
- 27 Oct 2026
Overview
Serial is an open-source printed circuit board by McbeEringi, from the McbeEringi/pcb-stuff repository on GitHub, published under the MIT licence. It is a 2-layer board of 16 × 16 mm with 13 parts on 15 nets, routed with 121 tracks and 17 vias.
It is built around the CH340K, TS5A23159DGSR and BSS138. Its parts include 3 capacitors, 3 ICs, 2 transistors and 2 connectors. It belongs with the interfaces and adapters boards of this library.
Main components
3
CH340K
ESSOP-10-150mil-1mm-20℃~+70℃ 2Mbps 3.3V、5V USB 2.0 USB to serial ESSOP-10-150mil-1mm USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
TS5A23159DGSR
VSSOP-10-0.5mm-40℃~+85℃ 1.1Ω 1.65V~5.5V 100MHz 15ns 2 20ns 2:1 VSSOP-10-0.5mm Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0u1 | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 1 | 0u1_short | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | AP7333 | Package_TO_SOT_SMD:SOT-23-3 | U3 |
| 1 | CH340K | Package_SO:SSOP-10-1EP_3.9x4.9mm_P1mm_EP2.1x3.3mm | U1 |
| 1 | OUT | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J3 |
| 1 | RXD | Resistor_SMD:R_0603_1608Metric | JP4 |
| 1 | TS5A23159DGS | Package_SO:VSSOP-10_3x3mm_P0.5mm | U2 |
| 1 | TXD | Resistor_SMD:R_0603_1608Metric | JP3 |
| 1 | USB_A | Library:USB_A_PLUG_USB-4AM103AS | J1 |
| 1 | mcbeeringi_icon | Library:mcbeeringi_icon_5mm |
Questions
How big is the Serial PCB?
It measures 16 × 16 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Serial use?
13 parts, built around the CH340K, TS5A23159DGSR and BSS138. 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 Serial KiCad files?
From the McbeEringi/pcb-stuff repository on GitHub, at the commit this page was made from: the board is proj/usb/serial/serial.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Serial design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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