TJA1080ATS/2/T,118

Product Overview

• Category: Integrated Circuit
• Use: Transceiver for automotive LIN bus systems
• Characteristics:
  • Low-power operation
  • High-speed data communication
  • Robust performance in automotive environments
• Package: SOT163-1 (TSSOP14)
• Essence: The TJA1080ATS/2/T,118 is a transceiver designed specifically for automotive Local Interconnect Network (LIN) bus systems. It enables reliable and efficient communication between various electronic control units (ECUs) in vehicles.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 20 kbps
• ESD Protection: ±8 kV HBM, ±4 kV CDM
• Sleep Mode Current Consumption: <10 µA
• Standby Mode Current Consumption: <50 µA
• Operating Mode Current Consumption: <10 mA

Detailed Pin Configuration

The TJA1080ATS/2/T,118 features the following pin configuration:

1. VBAT: Battery supply voltage
2. GND: Ground
3. TXD: LIN bus transmitter output
4. RXD: LIN bus receiver input
5. WAKE: Wake-up input
6. VREF: Reference voltage output
7. VSUP: Supply voltage for external pull-up resistor
8. VIO: Digital I/O supply voltage
9. STB: Standby mode input
10. INH: Inhibit mode input
11. VBB: Internal bias voltage
12. CANH: CAN bus high-side connection
13. CANL: CAN bus low-side connection
14. VCAN: CAN bus supply voltage

Functional Features

• Supports LIN protocol versions 1.3, 2.0, and 2.1
• Integrated LIN transceiver with physical layer functions
• Wake-up capability for low-power operation
• Short-circuit protection on LIN bus pins
• Overtemperature protection
• Fail-safe features for reliable communication

Advantages and Disadvantages

Advantages: - Low-power operation enables energy-efficient communication - High-speed data communication for faster response times - Robust performance in automotive environments ensures reliability - Integrated protection features enhance system durability

Disadvantages: - Limited data rate compared to other communication protocols - Requires additional external components for complete LIN bus implementation

Working Principles

The TJA1080ATS/2/T,118 operates based on the LIN protocol, which is a serial communication protocol used in automotive applications. It facilitates communication between various ECUs in a vehicle, allowing them to exchange information and control signals.

The transceiver integrates the necessary circuitry to transmit and receive LIN bus signals. It supports different LIN protocol versions and provides features like wake-up capability, short-circuit protection, and overtemperature protection. These features ensure reliable and robust communication in automotive environments.

Detailed Application Field Plans

The TJA1080ATS/2/T,118 is widely used in automotive applications where LIN bus systems are employed. Some common application areas include:

1. Body Control Modules (BCMs)
2. Door Control Units (DCUs)
3. Seat Control Units (SCUs)
4. Climate Control Units (CCUs)
5. Lighting Control Modules (LCMs)

These modules require efficient communication between various ECUs to enable functionalities like central locking, window control, seat adjustment, climate control, and lighting control.

Detailed and Complete Alternative Models

1. TJA1020: LIN transceiver with lower data rate capability
2. TJA1021: LIN transceiver with higher data rate capability
3. TJA1028: LIN transceiver with integrated voltage regulator
4. TJA1040: LIN transceiver with enhanced EMC performance

These alternative models offer different features and specifications to cater to specific application requirements within the automotive LIN bus systems.

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