PCA82C251T/N,118

Product Overview

Category: Integrated Circuit (IC)

Use: The PCA82C251T/N,118 is a high-speed CAN transceiver designed for use in automotive and industrial applications. It provides reliable communication between microcontrollers and the CAN bus.

Characteristics: - High-speed data transmission - Low electromagnetic emissions - Robustness against electrical disturbances - Wide temperature range (-40°C to +125°C) - Low power consumption

Package: The PCA82C251T/N,118 is available in a small outline package (SOP) with 8 pins.

Essence: The essence of the PCA82C251T/N,118 lies in its ability to facilitate efficient and secure communication over the CAN bus, enabling reliable data exchange in automotive and industrial systems.

Packaging/Quantity: The PCA82C251T/N,118 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Data Rate: Up to 1 Mbps
• Transmitting Output Resistance: 45Ω
• Receiving Input Resistance: 12kΩ
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The PCA82C251T/N,118 has the following pin configuration:

Pin 1: VCC Pin 2: GND Pin 3: TXD Pin 4: RXD Pin 5: SPLIT Pin 6: CANL Pin 7: CANH Pin 8: VREF

Functional Features

• High-speed CAN communication
• Bus wake-up capability
• Error detection and signaling
• Thermal protection
• Short-circuit protection
• Low-power mode

Advantages and Disadvantages

Advantages: - High-speed data transmission enables efficient communication. - Robustness against electrical disturbances ensures reliable operation in harsh environments. - Low electromagnetic emissions reduce interference with other electronic components. - Wide temperature range allows for use in extreme conditions. - Low power consumption helps to optimize energy efficiency.

Disadvantages: - Limited pin configuration may restrict certain system designs. - Requires external components for complete CAN bus implementation.

Working Principles

The PCA82C251T/N,118 operates based on the Controller Area Network (CAN) protocol. It transmits and receives data using differential signaling over a twisted pair of wires (CANH and CANL). The transceiver converts the digital signals from the microcontroller into the appropriate voltage levels for transmission on the CAN bus. It also provides protection against common faults such as short circuits and thermal overload.

Detailed Application Field Plans

The PCA82C251T/N,118 is widely used in various automotive and industrial applications, including:

1. Automotive:

   • Engine control systems
   • Transmission control systems
   • Body electronics
   • Infotainment systems

2. Industrial:

   • Factory automation
   • Process control systems
   • Robotics
   • Building automation

Alternative Models

For alternative options to the PCA82C251T/N,118, the following models can be considered:

1. MCP2551: A popular CAN transceiver with similar features and performance.
2. TJA1050: Another widely used CAN transceiver suitable for automotive applications.
3. SN65HVD230: A robust CAN transceiver designed for industrial environments.

These alternative models offer compatibility with the CAN protocol and provide similar functionality to the PCA82C251T/N,118.

In conclusion, the PCA82C251T/N,118 is a high-speed CAN transceiver designed for automotive and industrial applications. Its robustness, high-speed data transmission, and wide temperature range make it suitable for various demanding environments. With its functional features and reliable performance, it plays a crucial role in enabling efficient communication over the CAN bus.