CH340N USB to UART Bridge IC SOP-8 (WCH)

Product Overview

The CH340N is a compact USB-to-UART serial converter IC developed by WCH (QinHeng Electronics). It enables seamless communication between USB-enabled computers and UART-based microcontrollers or embedded systems. With a built-in USB interface and minimal external components, the CH340N is an excellent solution for USB-to-Serial applications.

The CH340N supports standard serial communication and is widely used in Arduino-compatible boards, ESP8266, ESP32 modules, STM32 development boards, industrial controllers, IoT devices, and embedded system programming. It offers stable performance, high compatibility with Windows, Linux, and macOS, and comes in a compact SOP-8 package.

Key Features

• USB 2.0 Full-Speed Compatible
• USB to UART Serial Converter
• Supports Baud Rates up to 2 Mbps
• Built-in USB Transceiver
• Requires Minimal External Components
• Supports 3.3V and 5V Logic Systems
• Low Power Consumption
• Compact SOP-8 Surface Mount Package
• Compatible with Windows, Linux & macOS
• RoHS Compliant

Technical Specifications

Applications

• USB to TTL Serial Adapters
• Arduino Development Boards
• ESP8266 & ESP32 Modules
• STM32 Development Boards
• Embedded Systems
• Industrial Automation
• IoT Devices
• Serial Communication Interfaces
• Programming & Debugging Tools