CH341A USB to UART/Parallel/SPI/I2C by WCH

CH341A | WCH USB to UART/Parallel/SPI/I2C

Name: CH341A
Brand: WCH
SKU: CH341A

Category: USB Interface IC

Brand: WCH

USB to UART/Parallel/SPI/I2C

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: USB to UART/Parallel/SPI/I2C

Technical Parameters

Applications	General Purpose
Bandwidth	100 MHz
Brand	WCH (Nanjing Qinheng)
Description	USB to UART/Parallel/SPI/I2C
Features	General Purpose
Function	Analog Signal Switching
Interface	USB 2.0 Full-Speed
Lead Free	Yes
Mounting Type	SMD/SMT
Number of Channels	4
On-Resistance	50 Ohm
Operating Temperature	-40~85°C
Product Type	Chip Resistor
RoHS	Compliant
Supply Voltage	3.3V / 5V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

CH341A Application and Selection Guide

CH341A Model and Manufacturer Information

CH341A, a USB Interface IC manufactured by WCH (Nanjing Qinheng): CH341A helps you confirm the specific model, while WCH (Nanjing Qinheng) helps you confirm the product source. If you are selecting a part, you can first check whether CH341A meets your requirements, then check whether WCH (Nanjing Qinheng) matches your expectations, and then refer to USB to UART/Parallel/SPI/I2C for further evaluation.

CH341A Product Parameters and Description

The main parameters of WCH (Nanjing Qinheng)'s USB Interface IC product CH341A include USB to UART/Parallel/SPI/I2C. This is a USB Interface IC produced by WCH (Nanjing Qinheng), and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

CH341A Application and Selection Reference

WCH (Nanjing Qinheng)'s USB Interface IC product CH341A has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, CH341A is a USB Interface IC solution worth considering, and manufacturer WCH (Nanjing Qinheng) provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for CH341A

Designers looking for CH341A recommended parts can evaluate the following options. CH341A selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
CH334U	WCH	Quad USB to UART Bridge
CH374T	WCH	USB Host Controller
CH340X	WCH	USB to UART Bridge

EZKEY can provide CH341A recommended part comparison data and engineering samples for evaluation.