CH334P

WCH (Nanjing Qinheng Microelectronics)

-40℃~+85℃ 0.4mA 3.3V 4 480Mbps 85mA Hub USB 2.0 QFN-16(3x3) USB HUB Controllers ROHS

Extended

Category: USB HUB Controllers
Package: QFN-16(3x3)
Pins: 17

Overview

The CH334P is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-16(3x3) package with 17 pins. -40℃~+85℃ 0.4mA 3.3V 4 480Mbps 85mA Hub USB 2.0 QFN-16(3x3) USB HUB Controllers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH334P, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-16_L3.0-W3.0-P0.50-BL-EP1.7, from EasyEDA), ready for a KiCad board. 34,981 are in stock at JLCPCB (part C5373042). 21 open-source boards in 19 repositories on GitHub use it.

Symbol

EasyEDA_Cloud:CH334PFrom EasyEDA

Footprint

EasyEDA_Cloud:QFN-16_L3.0-W3.0-P0.50-BL-EP1.7From EasyEDA

From the datasheet

Supply, least: 4.5 V · V5, recommended operating min, internal LDO enabled · p. 19
Supply, most: 5.25 V · V5, recommended operating max, internal LDO enabled · p. 19
Supply, least: 3.15 V · V5, recommended operating min, external supply without internal LDO · p. 19
Supply, most: 3.5 V · V5, recommended operating max, external supply without internal LDO · p. 19
Supply, absolute maximum: 5.5 V · V5, absolute max · p. 19
Supply, absolute maximum: 4 V · VDD33, absolute max · p. 19
Works from: -40 °C · Operating ambient temperature min · p. 19
Works up to: 85 °C · Operating ambient temperature max · p. 19
Takes working: 85 mA · Supply current typical, upstream high speed and four downstream high speed ports · p. 19
Takes asleep: 120 µA · Deep sleep supply current typical, excluding 1.5KΩ pull-up, or disconnected from USB host · p. 19
Data rate, most: 480 Mbit/s · Downstream USB high speed data rate max · p. 1

What it is and has

USB downstream ports: 4 USB2.0 ports, backward compatible with USB1.1 · p. 1
Power control: Independent port control or GANG control · p. 1
Overcurrent detection: Independent port detection or GANG detection; 5V tolerant detection inputs · p. 1
Transaction translators: MTT mode with an independent TT per port · p. 1
Port indicators: Port status LEDs supported · p. 1
EEPROM configuration: Composite device support, non-removable devices, VID, PID and port configuration · p. 1
Clock: 12MHz external input supported; internal oscillator capacitors; 480MHz USB PHY PLL · p. 1
Internal clock: High precision internal clock permits operation without an external 12MHz crystal · p. 1
USB termination: Internal upstream 1.5KΩ pull-up and downstream host pull-down resistors · p. 1
Internal regulator: LDO converts USB bus supply to 3.3V operating supply · p. 1
USB ESD: 6KV, Class 3A · p. 1

Specifications

Parameter	Conditions	As printed	Page
工作时的环境温度 TA		min -40 · max 85 ℃	19
储存时的环境温度 TS		min -55 · max 150 ℃	19
LDO 输入电源电压 V5	V5 引脚接电源，GND 引脚接地	min -0.4 · max 5.5 V	19
工作电源电压 VDD33	VDD33 引脚接电源，GND 引脚接地	min -0.4 · max 4 V	19
5V 耐压输入引脚上的电压 V5I		min -0.4 · max 5.3 V	19
USB 信号引脚上的电压 VUSB		min -0.4 V	19
其它（3.3V）输入或者输出引脚上的电压 VGPIO		min -0.4 V	19
LDO 输入电源电压@V5 V5	TA=25℃，V5=5V 或 V5=VDD33=3.3V；启用内部 LDO	min 4.5 · typ 5 · max 5.25 V	19
外供电源电压@V5 V5	TA=25℃，V5=5V 或 V5=VDD33=3.3V；无需内部 LDO	min 3.15 · typ 3.3 · max 3.5 V	19
LDO 输出电压@VDD33 VDD33	TA=25℃，V5=5V 或 V5=VDD33=3.3V；启用内部 LDO	min 3.15 · typ 3.3 · max 3.5 V	19
外供 3.3V 电压@VDD33 VDD33	TA=25℃，V5=5V 或 V5=VDD33=3.3V；无需内部 LDO	min 3.15 · typ 3.3 · max 3.5 V	19
内部电源调节器 LDO 对外负载能力 ILDO	TA=25℃，V5=5V 或 V5=VDD33=3.3V	max 20 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行高速，4 个下行高速	typ 85 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行高速，1 个下行高速	typ 42 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行高速，4 个下行全速	typ 25 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行高速，1 个下行全速	typ 21 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行全速，4 个下行全速	typ 20 mA	19
工作电流 ICC	TA=25℃，V5=5V 或 V5=VDD33=3.3V；上行高速或上行全速，下行无设备，含 1.5KΩ上拉	typ 0.3 mA	19
深度睡眠电源电流（不含 1.5KΩ上拉）或：自身睡眠电源电流（不接 USB 主机） ISLP	TA=25℃，V5=5V 或 V5=VDD33=3.3V	typ 0.12 · max 0.4 mA	19
除过流检测外引脚的低电平输入电压 VIL	TA=25℃，V5=5V 或 V5=VDD33=3.3V	min 0 · max 0.8 V	19
除过流检测外引脚的高电平输入电压 VIH	TA=25℃，V5=5V 或 V5=VDD33=3.3V	min 2 V	19
RESET#引脚的低电平输入电压 VILRST	TA=25℃，V5=5V 或 V5=VDD33=3.3V	min 0 · max 0.75 V	19

Parameters

Current - Supply: 85mA
Data Rate: 480Mbps
Features: Port status monitoring
Memory Interface: I2C
Number of Channels: 4
Operating Temperature: -40℃~+85℃
Quiescent Supply Current: 0.4mA
Standby Current: 120uA
USB Protocol: USB 2.0
Voltage - Supply: 3.15V~5.25V
Voltage - Supply(Absolute Max): 5.5V
type: Hub

Order codes

CH334PLCSC C5373042

Pinout

The pins of the CH334P
Pin	Name	Type
1	XO	Unspecified
2	XI	Unspecified
3	DM4	Unspecified
4	DP4	Unspecified
5	DM3	Unspecified
6	DP3	Unspecified
7	DM2	Unspecified
8	DP2	Unspecified
9	DM1	Unspecified
10	DP1	Unspecified
11	DMU	Unspecified
12	DPU	Unspecified
13	RESET#/CDP	Unspecified
14	PGANG	Unspecified
15	V5	Unspecified
16	VDD33	Unspecified
17	GND	Unspecified

Open-source boards using it

All 21

4 layers100 × 100 mm
Cm5-module
Dominik-Workshop/moducard-cm5-module
ModuCard module for CM5
306 parts5MIT
2 layers334.6 × 100.2 mm
Lira
AndreaGiulianini/lira
57-key 40% + numpad keyboard: Bluetooth/USB-C, hot-swap MX, RMK/Vial, and a built-in USB sound card (3.5 mm headset jack). Generated from source with KiCad.
233 parts2MIT
4 layers68.6 × 53.3 mm
SFduino UNO S2
HalfSweet/SFduino-UNO-S2
SF32LB52 Devkit
133 parts2
4 layers100 × 100 mm
Base module
KoNarRobotics/ModuCard-base-module
Template for ModuCard PCBs
163 parts2
2 layers110 × 89 mm
Bottom board palmtop
ZeroPhone/Snowdive-PCB
ZeroPhoneNext PCBs
407 parts2CERN-OHL-S-2.0
4 layers100 × 50 mm
MMS3
ArthorH/MMS3
Mini ModuCard System ❤️
198 parts1
4 layers30 × 51 mm
Mnt mpcie usb hub
leifhelm/mnt-mpcie-usb-hub

23 parts1
4 layers262.9 × 64.4 mm
MorphoDock
SlimeVR/SlimeVR-Morphocharger
SlimeVR Official charger design for butterfly trackers
188 parts1Apache-2.0

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Questions

Is there a KiCad symbol and footprint for the CH334P?

Yes. The symbol is EasyEDA_Cloud:CH334P and the footprint EasyEDA_Cloud:QFN-16_L3.0-W3.0-P0.50-BL-EP1.7, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH334P?

QFN-16(3x3), with 17 pins. Its footprint is drawn on this page.

Where is the CH334P datasheet?

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

Where can I order the CH334P?

JLCPCB lists it as part C5373042, with 34,981 in stock; the sellers' links on this page open their listings.

Which open-source boards use the CH334P?

21 boards in 19 repositories on GitHub; the most starred are listed on this page, with their KiCad files.