MCP2221A-I/ST

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MCP2221A-I/ST

IC USB TO I2C/UART 14TSSOP

  • 제조업체Microchip Technology
  • Mfr.부분 #MCP2221A-I/ST
  • 패키지
  • 데이터시트 MCP2221A-I/ST DataSheet
  • 재고 있음7166

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사양

Part Status Active
DigiKey Programmable Not Verified
Protocol USB
Function Bridge, USB to I2C/UART
Interface I2C, UART
Standards USB 2.0
Voltage - Supply 3V ~ 5.5V
Current - Supply 13mA
Operating Temperature -40°C ~ 85°C
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-TSSOP
Base Product Number MCP2221

개요

Description

The MCP2221A-I/ST is a versatile USB to UART/I2C converter developed by Microchip Technology. It enables communication between USB devices and microcontrollers or other systems that use UART or I2C protocols. The device features a USB 2.0 interface, supporting a wide range of data rates, and integrates additional functionalities like GPIO pins, enabling users to control external devices directly.
Key features include:
- Dual UART: Supports serial communication with two independent UART interfaces.
- I2C Master Mode: Allows easy integration with I2C peripherals.
- Configurable GPIO: Up to four general-purpose input/output pins for additional control options.
- Driverless Operation: Compatible with Windows, macOS, and Linux, eliminating the need for special drivers.
- Low Power Consumption: Ideal for portable applications.
The MCP2221A-I/ST is widely used in applications such as data acquisition, sensor interfacing, and USB connectivity for embedded systems, making it an excellent choice for developers seeking to bridge USB and serial communication efficiently.

Features

The MCP2221A-I/ST is a USB-to-UART/I2C converter designed for easy communication between USB and serial interfaces. Key features include:
1. USB Interface: Supports USB 2.0 full-speed (12 Mbps) connectivity.
2. UART Interface: Provides a full-duplex UART interface with configurable baud rates up to 3 Mbps.
3. I2C Interface: Supports I2C communication with programmable address and data rates up to 1 Mbps.
4. GPIO Pins: 5 general-purpose I/O pins, which can be configured for digital input/output or as I2C pins.
5. Integrated EEPROM: Allows for storage of custom configurations and device parameters.
6. USB Driver Support: Compatible with various operating systems (Windows, macOS, Linux).
7. Low Power Consumption: Designed for energy-efficient applications.
8. Wide Operating Voltage: Operates within a voltage range of 1.8V to 5.5V.
Overall, the MCP2221A-I/ST is ideal for applications needing simple USB connectivity for serial and I2C communication.

Package

The MCP2221A-I/ST is packaged in a USB-compatible, 28-pin SSOP (Shrink Small Outline Package). This compact package design facilitates easy integration into electronic circuits and systems.

Pinout

The MCP2221A-I/ST is a USB-to-UART interface chip with a total of 28 pins. Its primary functions include:
1. USB Interface: Provides a USB 2.0 full-speed interface for communication with a host.
2. UART Interface: Supports a UART interface for serial communication, allowing connections to microcontrollers and other UART devices.
3. GPIO: Offers up to 6 general-purpose I/O pins that can be configured as inputs or outputs.
4. I2C/SPI: Supports I2C and SPI protocols, enabling communication with various peripherals.
5. Power Supply: Operates typically from a 3.3V or 5V supply.
The MCP2221A-I/ST is widely used in applications like USB communication for embedded systems, sensor interfaces, and other serial communication tasks.

Manufacturer

The MCP2221A-I/ST is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989, Microchip is known for its innovative solutions in embedded control, including microcontrollers, memory products, and interface devices. The company primarily serves various sectors, including automotive, industrial, consumer, and communications, focusing on delivering high-performance and cost-effective products for embedded systems. Their offerings include development tools, software libraries, and comprehensive support, making them a key player in the semiconductor industry.

Application

The MCP2221A-I/ST is a versatile USB-to-UART/I2C converter used in various applications, including:
1. Embedded Systems: Facilitating communication between microcontrollers and PCs.
2. Sensor Interfaces: Connecting sensors to a computer for data acquisition.
3. Development Tools: Supporting programming and debugging of microcontrollers.
4. IoT Devices: Enabling USB connectivity for Internet of Things applications.
5. Data Logging: Streamlining data transfer from devices to software for analysis.

Equivalent

The MCP2221A-I/ST chip is a USB-to-UART interface with GPIO capabilities. Equivalent products include the FTDI FT232R, Silicon Labs CP2102, and the NXP LPC11U24. These alternatives offer similar USB-to-serial communication features, although specifications may vary, such as data rates and GPIO functionality. Always check compatibility requirements for your specific application.

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