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CH340G USB to Serial TTL Converter IC SMD

CH340G USB to Serial TTL Converter IC SMD
CH340G USB to Serial TTL Converter IC SMD
Your orders placed before 17:00 PM on weekdays are shipped the same day. Free shipping over 150 RON.
4.60RON
Ex Tax: 4.60RON
  • Stock: In Stock
  • Model: A0389.CH340G
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit

CH340G USB to Serial TTL Converter IC SMD

 

 

The CH340G is a USB-to-Serial (UART) converter IC manufactured by WCH (Jiangsu Qinheng Co., Ltd.). It enables communication between a computer and microcontroller-based systems via USB. It is widely used in Arduino boards and various embedded system applications. 

 

General Features:

  •  
  • USB 2.0 Full-Speed support
  • UART interface support (TXD, RXD, RTS, CTS pins)
  • Hardware flow control support (RTS/CTS)
  • Baud rate up to 2 Mbps
  • Low power consumption
  • Works with external crystal oscillator (typically 12 MHz)
  • Built-in USB protocol handling
  • Driver support for Windows, Linux, and macOS (may require manual installation)
  • Available in DIP-16 or SOP-16 package 
  •  
  •  
  • Typical Applications:
  •  
  • Enabling USB connectivity on microcontroller development boards such as Arduino
  • Projects requiring USB-to-serial communication between a computer and a device
  • Using UART devices on modern PCs that lack traditional serial ports
  • Programmer boards, data loggers, and test equipment 

 

  • Key Pinout Summary:
PinFunction
TXDTransmit Data
RXDReceive Data
VCCPower Supply (3.3V or 5V)
GNDGround
D+ / D-USB Data Lines
XTIN / XTOUTExternal Crystal Connections

 

Advantages: 

 

  • Cost-effective and widely available
  • Simple circuit integration for rapid prototyping
  • Compatible with most operating systems
  • Popular among Arduino users with strong community support
  •  
Your orders placed before 16:30 on weekdays are dispatched the same day.

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