CH334H
WCH (Nanjing Qinheng Microelectronics)Extended
-40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub I2C USB 2.0 QFN-28-EP(5x5) USB HUB Controllers ROHS
- Part id
- wch/CH334H
- Category
- USB HUB Controllers
- Package
- QFN-28-EP(5x5)
- Pins
- 29
- In stock
- 2,764 at JLCPCB (C3034270)
Overview
The CH334H is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-28-EP(5x5) package with 29 pins. -40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub I2C USB 2.0 QFN-28-EP(5x5) USB HUB Controllers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH334H, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-28_L5.0-W5.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. 2,764 are in stock at JLCPCB (part C3034270).
Symbol
Footprint
Pinout
29| Pin | Name | Type |
|---|---|---|
| 1 | DMU | Unspecified |
| 2 | DPU | Unspecified |
| 3 | DM1 | Unspecified |
| 4 | DP1 | Unspecified |
| 5 | NC | Unspecified |
| 6 | DM2 | Unspecified |
| 7 | DP2 | Unspecified |
| 8 | PWREN# | Unspecified |
| 9 | NC | Unspecified |
| 10 | XI | Unspecified |
| 11 | XO | Unspecified |
| 12 | DM3 | Unspecified |
| 13 | DP3 | Unspecified |
| 14 | VDD33 | Unspecified |
| 15 | DM4 | Unspecified |
| 16 | DP4 | Unspecified |
| 17 | RESET#/CDP | Unspecified |
| 18 | LED3/SCL | Unspecified |
| 19 | OVCUR4# | Unspecified |
| 20 | OVCUR3# | Unspecified |
| 21 | VDD33 | Unspecified |
| 22 | PSELF | Unspecified |
| 23 | PGANG | Unspecified |
| 24 | OVCUR2# | Unspecified |
| 25 | OVCUR1# | Unspecified |
| 26 | LED4/SDA | Unspecified |
| 27 | V5 | Unspecified |
| 28 | VDD33 | Unspecified |
| 29 | EP | Unspecified |
Questions
Is there a KiCad symbol and footprint for the CH334H?
Yes. The symbol is EasyEDA_Cloud:CH334H and the footprint EasyEDA_Cloud:QFN-28_L5.0-W5.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH334H?
QFN-28-EP(5x5), with 29 pins. Its footprint is drawn on this page.
Where is the CH334H datasheet?
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
Where can I order the CH334H?
JLCPCB lists it as part C3034270, with 2,764 in stock; the sellers' links on this page open their listings.