UJA1079TW/5V0/WD:1 - English Editing Encyclopedia Entry

Product Overview

Category

The UJA1079TW/5V0/WD:1 belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for automotive applications, specifically in the field of vehicle networking.

Characteristics

• Voltage: 5V
• Package Type: WD (Wire Bond)
• Essence: This IC serves as a high-speed CAN transceiver with an integrated wake-up and protection feature.
• Packaging/Quantity: The UJA1079TW/5V0/WD:1 is typically packaged in tape and reel format, with a quantity of 2500 units per reel.

Specifications

The specifications of the UJA1079TW/5V0/WD:1 are as follows:

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 1 Mbit/s
• Number of Channels: 1
• Wake-Up Input Current: 10 µA (typical)
• Standby Current: 20 µA (typical)
• ESD Protection: ±8 kV HBM, ±2 kV CDM

Detailed Pin Configuration

The UJA1079TW/5V0/WD:1 has the following pin configuration:

1. VBAT: Battery supply voltage
2. GND: Ground
3. TXD: Transmit data input
4. RXD: Receive data output
5. WAKE: Wake-up input
6. STB: Standby input
7. VIO: IO supply voltage
8. CANH: CAN bus high
9. CANL: CAN bus low
10. VCC: Power supply voltage

Functional Features

The UJA1079TW/5V0/WD:1 offers the following functional features:

• High-speed CAN transceiver
• Integrated wake-up input for low-power operation
• Protection against electrostatic discharge (ESD)
• Supports data rates up to 1 Mbit/s
• Low standby current for power efficiency

Advantages and Disadvantages

Advantages

• Integrated wake-up feature reduces power consumption during idle periods.
• Robust ESD protection ensures reliable operation in automotive environments.
• High-speed data transmission capability enables efficient communication.

Disadvantages

• Limited to a single channel, which may restrict certain applications requiring multiple channels.
• Operating temperature range may not be suitable for extreme environmental conditions.

Working Principles

The UJA1079TW/5V0/WD:1 operates as a transceiver for the Controller Area Network (CAN) bus. It facilitates communication between various electronic control units (ECUs) within a vehicle. The integrated wake-up feature allows the IC to enter a low-power mode when not in use, conserving energy. The ESD protection safeguards the IC from potential damage caused by electrostatic discharge.

Detailed Application Field Plans

The UJA1079TW/5V0/WD:1 is commonly used in the following automotive applications:

1. Body Control Modules (BCMs)
2. Engine Control Units (ECUs)
3. Transmission Control Units (TCUs)
4. Instrument Clusters
5. Door Modules

Detailed and Complete Alternative Models

1. UJA1076TW/5V0/WD:1 - Similar to UJA1079TW/5V0/WD:1 but without the wake-up feature.
2. UJA1080TW/5V0/WD:1 - Enhanced version with additional diagnostic capabilities.
3. UJA1079TW/3V3/WD:1 - Similar to UJA1079TW/5V0/WD:1 but operates at a lower voltage.

These alternative models offer similar functionality and can be considered as alternatives to the UJA1079TW/5V0/WD:1.

In conclusion, the UJA1079TW/5V0/WD:1 is a versatile automotive IC that serves as a high-speed CAN transceiver with integrated wake-up and protection features. Its robust design and efficient operation make it suitable for various vehicle networking applications.