4 layers124.4 × 80.4 mm
Stepper driver
harp-tech/device.stepperdriver
A stepper motor controller device for four motors including individual quadrature encoders.
212 parts1
2 layers43.5 × 19.5 mm
USBC Serial Converter
blubbsy/USBC_Serial_ConverterA serial converter to USB-C
- Size
- 43.5 × 19.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 36
- Pads
- 101
- Tracks, vias
- 152, 14
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 2 Jan 2025
- Updated
- 24 Jan 2025
Overview
USBC Serial Converter is an open-source printed circuit board by blubbsy, from the blubbsy/USBC_Serial_Converter repository on GitHub. It is a 2-layer board of 43.5 × 19.5 mm with 23 parts on 36 nets, routed with 152 tracks and 14 vias.
It is built around the CH340C, AP2112M-3.3TRG1 and SI8642BC-B-IS1. Its parts include 7 capacitors, 5 resistors, 3 ICs, 3 diodes and 3 connectors. It belongs with the interfaces and adapters boards of this library.
Main components
3
CH340C
SOP-16-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
AP2112M-3.3TRG1
SO-8-40℃~+85℃@(Ta) 1 250mV@(600mA) 3.3V 50uVrms 55uA 600mA 65dB@(1kHz) 6V Fixed Over Temperature Protection、Enable Positive SO-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSDiodes IncorporatedVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSI8642BC-B-IS1
SOIC-16Digital IsolatorsSkyworks Solutions
Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C5, C6, C7 |
| 3 | 470 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4, R5 |
| 3 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2, D3 |
| 2 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 2 | MountingHole | MountingHole:MountingHole_2.2mm_M2_ISO7380 | H1, H1 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | AP2112M-3.3TRG1 | library:SOIC127P600X170-8N | IC1 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | Si8642BC-B-IS1 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
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Questions
How big is the USBC Serial Converter PCB?
It measures 43.5 × 19.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the USBC Serial Converter use?
23 parts, built around the CH340C, AP2112M-3.3TRG1 and SI8642BC-B-IS1. 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 USBC Serial Converter KiCad files?
From the blubbsy/USBC_Serial_Converter repository on GitHub, at the commit this page was made from: the board is USBC Serial Converter.kicad_pcb and its schematic USBC Serial Converter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the USBC Serial Converter design in my own project?
Its repository states no licence, so its author keeps all rights: ask blubbsy before reusing the design.