TJA1028T/3V3/20/DZ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver for automotive applications
• Characteristics:
  • Operating voltage: 3.3V
  • Package: SO14 (Small Outline 14 pins)
  • Essence: High-speed CAN (Controller Area Network) transceiver
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply voltage range: 3.0V to 5.5V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 1 Mbit/s
• Wake-up capability: Yes
• ESD protection: ±8 kV HBM (Human Body Model)
• Pin compatibility: Fully compatible with ISO 11898-2 standard

Detailed Pin Configuration

1. VCC: Power supply
2. GND: Ground
3. TXD: Transmit data
4. RXD: Receive data
5. WAKE: Wake-up input
6. VIO: Voltage reference for I/O levels
7. SPLIT: Split termination control
8. CANH: CAN bus high-side connection
9. CANL: CAN bus low-side connection
10. VBAT: Battery voltage input
11. STB: Standby mode control
12. LIN: LIN bus input/output
13. VREF: Reference voltage output
14. VCAN: External CAN transceiver supply

Functional Features

• High-speed transmission: Supports data rates up to 1 Mbit/s.
• Wake-up capability: Allows the device to be woken up from a low-power mode by a wake-up signal.
• Split termination control: Enables the user to switch between different termination resistors for improved EMC performance.
• LIN bus support: Provides compatibility with the LIN (Local Interconnect Network) bus standard.
• ESD protection: Offers robust protection against electrostatic discharge.

Advantages

• Wide operating voltage range allows for flexibility in various automotive applications.
• High-speed transmission capability enables efficient data transfer in automotive networks.
• Wake-up capability reduces power consumption by allowing the device to enter low-power modes when not in use.
• Split termination control enhances electromagnetic compatibility performance.
• Compatibility with the LIN bus standard provides additional communication options.

Disadvantages

• Limited pin count may restrict the number of features that can be implemented on a single IC.
• Requires external components for proper operation, such as termination resistors and power supply connections.

Working Principles

The TJA1028T/3V3/20/DZ is a transceiver designed for use in automotive CAN networks. It operates based on the principles of the Controller Area Network protocol, which allows for reliable and efficient communication between different electronic control units within a vehicle. The transceiver receives data from the microcontroller and transmits it over the CAN bus, while also receiving data from other nodes on the bus and forwarding it to the microcontroller.

Detailed Application Field Plans

The TJA1028T/3V3/20/DZ is widely used in automotive applications, including but not limited to: - Engine control units - Transmission control units - Body control modules - Instrument clusters - ABS (Anti-lock Braking System) modules - Airbag control units

Detailed and Complete Alternative Models

1. TJA1040: High-speed CAN transceiver with integrated wake-up and protection features.
2. MCP2551: Stand-alone CAN transceiver with low-power mode and ESD protection.
3. SN65HVD230: Robust CAN transceiver with wide common-mode range and thermal shutdown protection.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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