CH334S

WCH (Nanjing Qinheng Microelectronics)

-40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub I2C USB 2.0 SSOP-28-209mil USB HUB Controllers ROHS

Extended

Category: USB HUB Controllers
Package: SSOP-28-209mil
Pins: 28

Overview

The CH334S is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a SSOP-28-209mil package with 28 pins. -40℃~+85℃ 0.4mA 3.3V、5V 4 480Mbps 85mA Hub I2C USB 2.0 SSOP-28-209mil USB HUB Controllers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH334S, from EasyEDA) and its footprint (Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 24 are in stock at JLCPCB (part C5187525).

Symbol

EasyEDA_Cloud:CH334SFrom EasyEDA

Footprint

Package_SO:SSOP-28_5.3x10.2mm_P0.65mmFrom KiCad's library

Parameters

Current - Supply: 85mA
Data Rate: 480Mbps
Features: Internal regulator
Memory Interface: I2C
Number of Channels: 4
Operating Temperature: -40℃~+85℃
Quiescent Supply Current: 0.4mA
USB Protocol: USB 2.0
Voltage - Supply: 5V
type: Hub

Order codes

CH334SLCSC C5187525

Pinout

The pins of the CH334S
Pin	Name	Type
1	NC	Unspecified
2	DM2	Unspecified
3	DP2	Unspecified
4	PWREN#	Unspecified
5	NC	Unspecified
6	XI	Unspecified
7	XO	Unspecified
8	DM3	Unspecified
9	DP3	Unspecified
10	NC	Unspecified
11	DM4	Unspecified
12	DP4	Unspecified
13	RESET#/CDP	Unspecified
14	LED3/SCL	Unspecified
15	GND	Unspecified
16	NC	Unspecified
17	PSELF	Unspecified
18	PGANG	Unspecified
19	NC	Unspecified
20	NC	Unspecified
21	OVCUR#	Unspecified
22	LED4/SDA	Unspecified
23	V5	Unspecified
24	VDD33	Unspecified
25	DMU	Unspecified
26	DPU	Unspecified
27	DM1	Unspecified
28	DP1	Unspecified

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A live frame, for any web page

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A picture

<img src="https://pcbkit.io/embed/parts/wch/CH334S.jpg" alt="CH334S" width="1200" height="900">

A picture that opens the part, for a README

[![CH334S](https://pcbkit.io/embed/parts/wch/CH334S.jpg?size=s)](https://pcbkit.io/parts/wch/CH334S)

Questions

Is there a KiCad symbol and footprint for the CH334S?

Yes. The symbol is EasyEDA_Cloud:CH334S and the footprint Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH334S?

SSOP-28-209mil, with 28 pins. Its footprint is drawn on this page.

Where is the CH334S datasheet?

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

Where can I order the CH334S?

JLCPCB lists it as part C5187525, with 24 in stock; the sellers' links on this page open their listings.

What can replace the CH334S?

Parts like it in the library: the FE1.1S-BSOP28BCNTR by Terminus Tech and the SL6243S by CoreChips. Check their datasheets: a part that fits the footprint may still differ in its ratings.