CH340T

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CH340T

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  • Nhà sản xuấtWCH(Jiangsu Qin Heng)

  • Ông. Phần #CH340T

  • Bảng dữ liệu CH340T DataSheet

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Thông số kỹ thuật

thuộc tính Giá trị
Manufacturer WCH(Jiangsu Qin Heng)
Package / Case SSOP-20-209mil
Voltage - Supply 3.3V
Applications Function Transceiver
Protocol USB 2.0
Data Rate 2Mbps

Tổng quan

Description

The CH340T is a USB-to-serial converter chip used to facilitate communication between computers and various serial devices. It is part of the CH340 series, developed by WCH (Jiangsu Qinheng Co., Ltd.). This chip is particularly popular in applications involving microcontrollers, such as Arduino projects, where it acts as a bridge between the USB interface of a computer and the UART interface of a microcontroller.
The CH340T supports various baud rates, providing flexibility for different communication requirements. It is compatible with multiple operating systems, including Windows, Linux, and macOS, making it versatile for various applications. For proper operation, the CH340T may require installation of specific drivers, which are available from WCH’s website.
A key advantage of the CH340T is its cost-effectiveness, making it a budget-friendly choice for hobbyists and developers. It typically comes in a small package, which allows for easy integration into circuit boards and compact devices. Overall, the CH340T is valued for its reliability, affordability, and broad compatibility in USB-to-serial applications.

Equivalent

The CH340T is a USB-to-serial adapter chip, commonly used to connect microcontrollers to a computer via USB. Equivalent products include the FTDI FT232R, Silicon Labs CP2102, and Prolific PL2303. These chips perform similar functions, providing USB to serial communication interfaces, and are often used as alternatives depending on availability, cost, and specific feature requirements such as driver support and data transfer rates.

Features

The CH340T is a USB-to-serial chip widely used for converting USB signals to serial UART signals. Key features include:
1. USB Compatibility: Supports USB 2.0 full-speed communication, providing a reliable way to connect serial devices to a USB port.
2. Multi-OS Support: Compatible with various operating systems, including Windows, macOS, and Linux, which makes it versatile for different applications.
3. Data Transfer Rates: Capable of data transfer rates ranging from 50 bps to 2 Mbps, allowing for both low-speed and high-speed serial communication.
4. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered and portable devices.
5. Integrated Features: Includes built-in clock circuitry, reducing the need for additional external components and simplifying the design.
6. Ease of Use: Provides a simple and cost-effective solution for adding USB functionality to serial devices.
7. Compact Package: Available in a small SOP-16 package, making it easy to integrate into space-constrained designs.
These features make the CH340T a popular choice for various applications, including Arduino projects, USB-based device programming, and general serial communication needs.

Pinout

The CH340T is a USB to UART interface chip commonly used for serial communication. It has a 16-pin package with the following functions:
1. VCC: Power supply (3.3V to 5V).
2. GND: Ground.
3. TXD: Transmit data pin.
4. RXD: Receive data pin.
5. DTR: Data terminal ready control output.
6. RTS: Request to send control output.
7. D+: USB data plus.
8. D-: USB data minus.
9. RST: Reset input.
10. NC: Not connected (unused).
11. TXLED: Transmit data indicator.
12. RXLED: Receive data indicator.
13. UD+: Pull-up resistor for USB D+.
14. UD-: Pull-down resistor for USB D-.
15. CTS: Clear to send control input.
16. DSR: Data set ready control input.
The CH340T is widely used for converting USB to serial interfaces, making it popular in microcontroller projects for communication with computers.

Manufacturer

The CH340T is manufactured by Jiangsu Qinheng Co., Ltd., commonly known as WCH (WinChipHead). WCH is a Chinese company that specializes in designing and producing integrated circuits (ICs) for various electronic applications. Their product range includes USB-to-serial chips, microcontrollers, and other interface ICs.
WCH is known for providing affordable and reliable solutions that are widely used in the electronics industry for developing hardware projects and products. Their USB-to-serial converter chips, like the CH340 series, are particularly popular among hobbyists and professionals for interfacing microcontrollers and other devices with computers via USB. The company's solutions are often integrated into development boards, modules, and various consumer electronics that require cost-effective and efficient connectivity options.

Application

The CH340T is a USB to serial converter chip commonly used in applications that require serial communication with USB support. It is often utilized in:
1. Microcontroller Programming: Facilitating USB connectivity for programming and debugging.
2. Data Transfer: Enabling communication between computers and serial devices such as sensors and GPS modules.
3. DIY Electronics Projects: Supporting hobbyists in projects requiring serial communication.
4. Industrial Automation: Connecting devices that use serial communication protocols.
5. Embedded Systems: Providing a USB interface for data logging and system monitoring.
6. Consumer Electronics: Used in USB to RS232 converters for connecting older serial devices to modern computers.
Its low cost and compatibility with various operating systems make it popular in diverse applications.

Package

The CH340T is typically available in a 16-pin SOP (Small Outline Package), which is a surface-mount package type.

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