MCP2515T-I/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Controller Area Network (CAN) Bus Controller
• Characteristics:
  • High-speed SPI Interface
  • Supports CAN V2.0B specification
  • Compatible with both 5V and 3.3V systems
  • Stand-alone CAN controller with on-chip transceiver
• Package: TSSOP-20
• Essence: The MCP2515T-I/ST is a highly integrated and cost-effective CAN controller that allows microcontrollers to communicate with CAN bus networks.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum SPI Clock Frequency: 10 MHz
• Transmit/Receive Buffer Size: 3 TX and 2 RX Buffers
• Bit Rate: Up to 1 Mbps
• Error Detection and Handling: Supports error detection and reporting
• Oscillator Frequency: Configurable from 8 MHz to 20 MHz

Pin Configuration

The MCP2515T-I/ST has a total of 20 pins arranged as follows:

1 VDD 2 VSS 3 OSC1 4 OSC2 5 CS 6 SO 7 SI 8 SCK 9 INT 10 RX0BF 11 RX1BF 12 TX0RTS 13 TX1RTS 14 TX2RTS 15 RX0 16 RX1 17 TX0 18 TX1 19 TX2 20 NC

Functional Features

• Full CAN V2.0B compatibility
• Supports both standard and extended data frames
• Three transmit buffers and two receive buffers
• Programmable bit rate up to 1 Mbps
• Error detection and reporting capabilities
• Sleep mode for low-power consumption
• Maskable interrupt pin for event-driven communication

Advantages

• Highly integrated solution with on-chip transceiver
• Compatible with a wide range of microcontrollers
• Supports high-speed SPI interface for efficient data transfer
• Flexible configuration options for various applications
• Low power consumption in sleep mode

Disadvantages

• Limited number of transmit and receive buffers
• Requires external crystal oscillator for clock generation
• Relatively small package size may require careful PCB layout

Working Principles

The MCP2515T-I/ST acts as a bridge between a microcontroller and a Controller Area Network (CAN) bus network. It provides the necessary hardware and software support to enable communication over the CAN bus. The device uses a high-speed Serial Peripheral Interface (SPI) to exchange data with the microcontroller. It supports the CAN V2.0B specification, allowing it to handle both standard and extended data frames. The MCP2515T-I/ST includes three transmit buffers and two receive buffers, which can be used to store and process incoming and outgoing messages. The device also features error detection and reporting mechanisms to ensure reliable communication.

Detailed Application Field Plans

The MCP2515T-I/ST is widely used in various applications that require communication over a CAN bus network. Some common application fields include:

1. Automotive: Used in automotive electronics for vehicle diagnostics, engine control systems, and communication between different vehicle modules.
2. Industrial Automation: Enables communication between industrial devices and controllers, facilitating process control and monitoring.
3. Home Automation: Used in smart home systems to connect and control various devices such as lighting, HVAC, and security systems.
4. Medical Devices: Enables communication between medical devices for data exchange and coordination in healthcare settings.
5. Robotics: Used in robotic systems for inter-device communication and coordination.

Alternative Models

• MCP2510-I/SO
• MCP2561-E/P
• TJA1050T/VM

These alternative models offer similar functionality and can be used as replacements for the MCP2515T-I/ST in compatible applications.

In conclusion, the MCP2515T-I/ST is a highly integrated CAN controller that provides a cost-effective solution for enabling communication over CAN bus networks. With its versatile features, it finds applications in automotive, industrial automation, home automation, medical devices, and robotics. While it has some limitations, such as limited buffer size and external oscillator requirement, there are alternative models available for specific requirements.