4 layers25.4 × 50.8 mm
2 layers35.7 × 27.9 mm
GR USB Serial
GadgetReboot/USB_Serial43.3v/5v CH340 USB to UART interface with all flow control and indicator signals broken out
- Size
- 35.7 × 27.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 26
- Pads
- 83
- Tracks, vias
- 206, 53
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 23 May 2022
- Updated
- 23 May 2022
Overview
GR USB Serial is an open-source printed circuit board by GadgetReboot, from the GadgetReboot/USB_Serial repository on GitHub. It is a 2-layer board of 35.7 × 27.9 mm with 23 parts on 26 nets, routed with 206 tracks and 53 vias.
It is built around the CH340C, AMS1117-3.3 and MF-FSMF050X-2. Its parts include 6 resistors, 5 capacitors, 4 connectors, 3 diodes and 2 ICs. 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
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
MF-FSMF050X-2
0603-40℃~+85℃ 0.8mm 1.6mm 100mΩ 1A 40A 500mA 500mW 6V 800mΩ 0603 Resettable Fuses ROHSBournsResettable Fuses
README
KiCad/readme.mdDesign files
Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6 |
| 3 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C4 |
| 2 | Conn_01x06 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J3, J4 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3 |
| 1 | 4.7uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C5 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | LOGO | _Custom_Footprints:pcb way logo | G*** |
| 1 | MF-FSMF050X | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | F1 |
| 1 | Power | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D6 |
| 1 | Rx | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | TP1 |
| 1 | Tx | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Amphenol_10103594-0001LF_Horizontal | J1 |
Questions
How big is the GR USB Serial PCB?
It measures 35.7 × 27.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GR USB Serial use?
23 parts, built around the CH340C, AMS1117-3.3 and MF-FSMF050X-2. 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 GR USB Serial KiCad files?
From the GadgetReboot/USB_Serial repository on GitHub, at the commit this page was made from: the board is KiCad/GR_USB_Serial.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GR USB Serial design in my own project?
Its repository states no licence, so its author keeps all rights: ask GadgetReboot before reusing the design.
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