2 layers119.4 × 67.3 mm
2 layers80 × 50 mm
HUB CH334U PCB
openwch/ch33414Share the schematic and layout (KiCad) for DIY USB2.0 4-PORTS HUB with CH334U
- Size
- 80 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 36
- Nets
- 35
- Pads
- 124
- Tracks, vias
- 283, 169
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 9 Mar 2023
- Updated
- 9 Mar 2023
Overview
HUB CH334U PCB is an open-source printed circuit board by openwch, from the openwch/ch334 repository on GitHub. It is a 2-layer board of 80 × 50 mm with 36 parts on 35 nets, routed with 283 tracks and 169 vias.
It is built around the CH213K, CH217K and CH334U. Its parts include 7 capacitors, 6 resistors, 6 connectors, 5 diodes and 3 ICs.
Main components
3
CH213K
SOT-23-32.2V~5.5V 240mV 240mΩ 3.6uA Integrated FET SOT-23-3 ORing Controllers ROHSWCH (Nanjing Qinheng Microelectronics)Power Distribution Switches
CH217K
SOT-23-6-40℃~+85℃ 1 2.7A 2.7V~5.5V 70mΩ Active Low Load Switch Undervoltage Protection(UVP)、Overcurrent Protection(OCP)、Over temperature protection(OTP) SOT-23-6 Power Distribution Switches ROHSWCH (Nanjing Qinheng Microelectronics)Power Distribution Switches
CH334U
QSOP-28-150mil-40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub USB 2.0 QSOP-28-150mil USB HUB Controllers ROHSWCH (Nanjing Qinheng Microelectronics)USB HUB Controllers
README
README.mdch334
Share the schematic and layout (KiCad) for DIY USB2.0 4-PORTS HUB with CH334U
Parts
36| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | USB_A | Connector_USB:USB_A_Stewart_SS-52100-001_Horizontal | J3, J4, J5, J6 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C3, C6 |
| 2 | 220 | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | 330uF | Capacitor_SMD:C_Elec_6.3x5.8 | C2, C7 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C5 |
| 1 | 12MHz | Crystal:Crystal_HC49-4H_Vertical | Y1 |
| 1 | 470 | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 47k | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | Barrel_Jack_Switch | Connector_BarrelJack:BarrelJack_Wuerth_6941xx301002 | J2 |
| 1 | CH213K | Package_TO_SOT_SMD:SOT-23 | U1 |
| 1 | CH217K | Package_TO_SOT_SMD:SOT-23-6 | U3 |
| 1 | CH334U | Package_SO:SSOP-28_3.9x9.9mm_P0.635mm | U2 |
| 1 | G*** | kibuzzard-6400647B | kibuzzard-6400647B |
| 1 | G*** | kibuzzard-64006497 | kibuzzard-64006497 |
| 1 | G*** | kibuzzard-640064AB | kibuzzard-640064AB |
| 1 | G*** | kibuzzard-64006489 | kibuzzard-64006489 |
| 1 | G*** | kibuzzard-64006469 | kibuzzard-64006469 |
| 1 | G*** | kibuzzard-64006482 | kibuzzard-64006482 |
| 1 | GREEN_1 | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | GREEN_2 | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | GREEN_3 | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | GREEN_4 | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | LOGO | LOGO | G*** |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
The 35 most common of 36 parts.
Questions
How big is the HUB CH334U PCB PCB?
It measures 80 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the HUB CH334U PCB use?
36 parts, built around the CH213K, CH217K and CH334U. 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 HUB CH334U PCB KiCad files?
From the openwch/ch334 repository on GitHub, at the commit this page was made from: the board is CH334U/CH334U_PCB_KiCad/HUB_CH334U_PCB.kicad_pcb and its schematic CH334U/CH334U_PCB_KiCad/HUB_CH334U_PCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the HUB CH334U PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask openwch before reusing the design.
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