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Microchip USB Controller 1-Channel 12 Mbps 3-5.5V UART I2C 14-Pin TSSOP MCP2221A-I/ST
Specifications
| Country of Origin | United States |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 5mm |
| Model | MCP2221A-I/ST |
| Mount Type | Surface |
| Series | MCP2221A |
| Maximum Operating Temperature | 85°C |
| Package Type | TSSOP |
| Sub Type | Controller |
| Minimum Operating Temperature | -40°C |
| Interfaces | USB) |
| Pin Count | 14 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 3V |
| Supply Current | 25mA |
| Maximum Data Rate | 12Mbps |
| Number of Transceivers | 1 |
| USB Specification | USB 2.0 |
| Supported Protocols | UART, I2C |
| Implements USB protocol composite device | Communication Device Class (CDC) for |
Key Features
- Operates at supply voltage range from 3 V to 5.5 V ensuring versatile power compatibility.
- Features integrated USB termination resistors and onboard oscillator for reduced external components.
- Supports full-speed USB 2.0 compliant data transmission at 12 Mbps.
- Equipped with four configurable general-purpose pins providing GPIO, ADC, DAC, and interrupt functionality.
- Includes internal 128-byte buffer to handle data throughput for UART and I2C communications.
- Suitable for bus-powered or self-powered applications with configurable VID and PID settings.
- Designed for easy USB connectivity in systems integrating UART and I2C interfaces.
- Excellent ESD protection and operates over temperature range from -40°C to 85°C.
Product Description
Microchip MCP2221A-I/ST is a high-performance USB-to-UART/I2C serial converter designed to enable seamless USB connectivity for embedded systems and industrial applications. This device operates at a data rate of 12 Mbps and supports both UART and I2C communication protocols, making it ideal for a wide range of interface requirements. Packaged in a compact 14-pin TSSOP form factor, it integrates essential USB termination resistors and an oscillator, significantly reducing the component count for system design.
The MCP2221A series supports full-speed USB 2.0 compliant communication and implements the USB protocol composite device class with Communication Device Class (CDC) for data exchange and Human Interface Device (HID) class for chip control and I2C communications. This versatility allows easy integration with PC and embedded USB hosts.
With an internal 128-byte data buffer supporting both transmit and receive paths, the device effectively manages data throughput on UART and I2C at any baud rate, ensuring efficient and reliable communication. It features four multiplexed general-purpose pins configurable for GPIO, analog-to-digital conversion (ADC), digital-to-analog conversion (DAC), clock output, and interrupt detection, expanding its usability in complex industrial control environments.
The device operates over a wide temperature range from -40°C to 85°C and supports a supply voltage from 3 V minimum to 5.5 V maximum, suitable for various industrial and automotive power conditions. With embedded ESD protection and compliance with AEC-Q100 automotive standards, the MCP2221A-I/ST is robust for harsh environments.
Applications include industrial automation, embedded systems, data logging, and communication modules where USB connectivity is required for UART and I2C interfacing. The device is bus or self-powered with customizable USB identifiers (VID/PID), facilitating flexible system design and integration.
Operates at 12 Mbps Full-Speed USB 2.0 data rate. USB-to-UART/I2C converter functionality in one chip. Integrated termination resistors and oscillator reduce PCB complexity. Four GP pins provide multifunction capabilities including GPIO, ADC, and DAC.
Wide operating voltage range of 3 V to 5.5 V. AEC-Q100 certified for automotive reliability. Industrial temperature range from -40°C to 85°C. 128-byte buffer ensures smooth data throughput on UART and I2C.
This Microchip USB Interface IC is a reliable choice for industrial, automotive, and embedded applications demanding USB connectivity with UART/I2C protocol support. Explore similar USB Interface ICs in the Electronics & Electricals category on EnvMart for additional industrial components and semiconductors.
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