Usb2uart hardware
About the Usb2uart hardware PCB
Usb2uart hardware is an open source PCB design by samvangysegem, published on GitHub. It is a 4-layer board measuring 41.2 × 32.6 mm, with 42 components from 21 distinct parts.
Other key parts include the CH344Q and SPX3819M5-L-3-3/TR. By type, the board carries 12 diodes, 12 capacitors, 10 resistors, 5 connectors, 2 ICs and 1 crystal.
It belongs with the usb & debug tools designs in this gallery.
From the project
CH344-based USB-to-UART converter
USB-C to four UART ports, based on the CH344Q and designed in KiCad.
- usb2uart-kicad/ — KiCad schematic and PCB. Open usb2uart-kicad.kicadpro to get started. - manufacturing/ — Gerbers, drill files, BOM, and component placement CSV for JLCPCB. - docs/` — Reference documentation.
Main components on the Usb2uart hardware
Usb2uart hardware bill of materials (BOM)
42 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CH344Q WCH | LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SPX3819M5-L-3-3/TR SPX3819M5-L-3-3 MaxLinear | SOT-23-5 | U2 |
| 1 | X32258MOB4SI 8MHz YXC Crystal Oscillators | Crystal_SMD_3225-4Pin_3.2x2.5mm | X1 |
| 1 | TYPE-C 16PIN 2MD(073) USB_C_16P SHOU HAN | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 2 | 530480510 Molex | Molex_PicoBlade_53048-0510_1x05_P1.25mm_Horizontal | J2, J3 |
| 2 | 530480310 MOLEX | Molex_PicoBlade_53048-0310_1x03_P1.25mm_Horizontal | J4, J5 |
| 1 | TPD1E10B06DPYR TPD1E10B06 Texas Instruments | Texas_DPY0002A_0.6x1mm_P0.65mm | D1 |
| 7 | TPD2E2U06QDCKRQ1 TPD2E2U06 Texas Instruments | SOT-323_SC-70 | D2, D3, D4, D5, D6, D7, D8 |
| 1 | KT-0603B ACT_B Hubei KENTO Elec | LED_0603_1608Metric | D9 |
| 1 | KT-0603R TX_R Hubei KENTO Elec | LED_0603_1608Metric | D10 |
| 1 | KT-0603G RX_G Hubei KENTO Elec | LED_0603_1608Metric | D11 |
| 1 | KT-0603G PWR_G Hubei KENTO Elec | LED_0603_1608Metric | D12 |
| 8 | CL05B104KO5NNNC 0.1u Samsung | C_0402_1005Metric | C1, C2, C3, C4, C5, C6, C8, C12 |
| 1 | CL21A106KAYNNNE 10u Samsung | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7 |
| 1 | CL21A106KAYNNNE 10u Samsung | C_0805_2012Metric | C9 |
| 2 | 0402CG150J500NT 16p FH (Guangdong Fenghua Advanced Tech) | C_0402_1005Metric | C10, C11 |
| 5 | 0402WGF5101TCE 5k1 UNI-ROYAL(Uniroyal Elec) | R_0402_1005Metric | R1, R2, R8, R9, R10 |
| 1 | 0805W8F0000T5E 0R UNI-ROYAL(Uniroyal Elec) | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 0603WAF3900T5E 390 UNI-ROYAL(Uniroyal Elec) | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | 0603WAF8200T5E 820 UNI-ROYAL(Uniroyal Elec) | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 0603WAF5100T5E 510 UNI-ROYAL(Uniroyal Elec) | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R7 |
Usb2uart hardware design files
The KiCad project lives in the samvangysegem/usb2uart-hardware repository on GitHub; these links point at the commit this page was built from.
Usb2uart hardware: common questions
How big is the Usb2uart hardware PCB?
The Usb2uart hardware measures 41.2 × 32.6 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the Usb2uart hardware?
42 components, from 21 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Usb2uart hardware design files?
From the samvangysegem/usb2uart-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Usb2uart hardware design in my own project?
The repository has no license, so all rights stay with samvangysegem. Use it as a reference, and ask the author before reusing the design.
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