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CH9340K AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH9340K product

CH9340K

Specialized

USBUARTBridgeWCH

The CH9340K is a compact USB-to-UART bridge chip designed for easy serial communication over USB, featuring a built-in clock and support for 3.3V/5V operation.

Best for

  • USB to Serial conversion
  • Adding serial ports to PCs

Avoid if

  • High-speed data requirements exceeding 1Mbps

Check before use

  • Voltage configuration (V3/VCC pins)

Key specifications

Baud Rate
50bps - 1Mbps
Package
ESSOP-10
Voltage
3.3V / 5V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Connectivity

Datasheet

9a14cfbd2df9ca8797f2db0a672ec05c_2403131106_WCH-Jiangsu-Qin-Heng-CH9340K_C503470.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH9340K: 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 CH9340K is a USB-to-serial bridge chip that allows computers to communicate with serial devices via USB.