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CH334Q

WCH (Nanjing Qinheng Microelectronics)Extended

-40℃~+85℃ 0.4mA 3.3V 4 480Mbps 85mA Hub USB 2.0 QFN-36(6x6) USB HUB Controllers ROHS

Part id
wch/CH334Q
Category
USB HUB Controllers
Package
QFN-36(6x6)
Pins
37
In stock
0 at JLCPCB (C5187526)

Overview

The CH334Q is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-36(6x6) package with 37 pins. -40℃~+85℃ 0.4mA 3.3V 4 480Mbps 85mA Hub USB 2.0 QFN-36(6x6) USB HUB Controllers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH334Q, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-36_L6.0-W6.0-P0.50-BL-EP3.9, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5187526).

Symbol

DM11DP12DM23DP24NC.5DM36DP37DM48DP49VDD3310NC.11NC.12NC.13GND14NC.15NC.16NC.17PWREN#18NC.19NC.20OVCUR#21LED4/SDA22VDD3323LED3/SCL24NC.25RESET#/CDP26NC.27NC.28VDD3329DMU30DPU31XO32XI33NC.34GND35NC.36GND37
EasyEDA_Cloud:CH334QFrom EasyEDA

Footprint

37
EasyEDA_Cloud:QFN-36_L6.0-W6.0-P0.50-BL-EP3.9From EasyEDA

Pinout

37
The pins of the CH334Q
PinNameType
1DM1Unspecified
2DP1Unspecified
3DM2Unspecified
4DP2Unspecified
5NC.Unspecified
6DM3Unspecified
7DP3Unspecified
8DM4Unspecified
9DP4Unspecified
10VDD33Unspecified
11NC.Unspecified
12NC.Unspecified
13NC.Unspecified
14GNDUnspecified
15NC.Unspecified
16NC.Unspecified
17NC.Unspecified
18PWREN#Unspecified
19NC.Unspecified
20NC.Unspecified
21OVCUR#Unspecified
22LED4/SDAUnspecified
23VDD33Unspecified
24LED3/SCLUnspecified
25NC.Unspecified
26RESET#/CDPUnspecified
27NC.Unspecified
28NC.Unspecified
29VDD33Unspecified
30DMUUnspecified
31DPUUnspecified
32XOUnspecified
33XIUnspecified
34NC.Unspecified
35GNDUnspecified
36NC.Unspecified
37GNDUnspecified

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the CH334Q?

Yes. The symbol is EasyEDA_Cloud:CH334Q and the footprint EasyEDA_Cloud:QFN-36_L6.0-W6.0-P0.50-BL-EP3.9, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH334Q?

QFN-36(6x6), with 37 pins. Its footprint is drawn on this page.

Where is the CH334Q datasheet?

WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.

Where can I order the CH334Q?

JLCPCB lists it as part C5187526, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CH334Q?

Parts like it in the library: the USB2514BT/M2 by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.