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CH344Q AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH344Q product

CH344Q

Controllers

USB BridgeUARTWCHInterface IC

The CH344Q is a high-speed USB to 4-port UART bridge IC, ideal for expanding serial connectivity in industrial and embedded applications.

Best for

  • Industrial serial expansion
  • USB-to-UART conversion
  • Legacy device modernization

Avoid if

  • 5V logic levels are required without level shifting

Check before use

  • Ensure USB D+/D- lines are connected directly without series resistors

Key specifications

USB Interface
480Mbps High-Speed
UART Ports
4
Max Baud Rate
6Mbps
Supply Voltage
3.3V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial AutomationConnectivity

Datasheet

4bda1bb923747ebe0e398c6ecc2229da.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH344Q: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The CH344Q is a USB-to-4-port UART bridge chip that allows computers to expand serial ports or upgrade serial devices to USB.