TCAN1042HGDRQ1

Product Overview

Category

TCAN1042HGDRQ1 belongs to the category of automotive high-speed CAN transceivers.

Use

It is used for communication in automotive applications, specifically for transmitting and receiving data over a Controller Area Network (CAN) bus.

Characteristics

• High-speed communication: TCAN1042HGDRQ1 supports data rates up to 5 Mbps.
• Robustness: It is designed to withstand harsh automotive environments, including temperature variations, electromagnetic interference, and voltage fluctuations.
• Low power consumption: The transceiver operates with low power consumption, making it suitable for automotive systems with limited power resources.

Package

TCAN1042HGDRQ1 is available in a small-sized package, which facilitates its integration into automotive electronic control units (ECUs).

Essence

The essence of TCAN1042HGDRQ1 lies in its ability to provide reliable and efficient communication between various automotive ECUs through the CAN bus.

Packaging/Quantity

The transceiver is typically sold in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 3.0V to 5.5V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 5 Mbps
• ESD protection: ±8 kV HBM
• Quiescent current: 5 µA (typical)
• Transmit dominant timeout: 64 µs (typical)

Detailed Pin Configuration

The TCAN1042HGDRQ1 transceiver has the following pin configuration:

1. VIO - Voltage input/output
2. GND - Ground
3. TXD - Transmit data
4. RXD - Receive data
5. STB - Standby mode control
6. CANH - CAN bus high
7. CANL - CAN bus low
8. VCC - Supply voltage

Functional Features

• Bus fault protection: TCAN1042HGDRQ1 incorporates various protection features to prevent damage to the transceiver and the connected ECUs in case of bus faults, such as overvoltage and undervoltage conditions.
• Wake-up capability: The transceiver can be configured to wake up from a low-power mode upon receiving specific wake-up patterns on the CAN bus.
• Error detection and reporting: It provides error detection mechanisms, including frame check sequence (FCS) and cyclic redundancy check (CRC), to ensure data integrity during transmission.

Advantages and Disadvantages

Advantages

• High-speed communication enables faster data transfer between automotive ECUs.
• Robust design ensures reliable operation in harsh automotive environments.
• Low power consumption helps optimize energy usage in automotive systems.

Disadvantages

• Limited compatibility: TCAN1042HGDRQ1 is specifically designed for automotive applications and may not be suitable for other industries or general-purpose use.
• Cost: As an automotive-specific component, the transceiver may have a higher price compared to generic CAN transceivers.

Working Principles

TCAN1042HGDRQ1 operates based on the principles of differential signaling used in the CAN bus protocol. It converts the digital signals from the connected ECUs into differential voltages on the CANH and CANL lines, allowing bidirectional communication between the ECUs.

Detailed Application Field Plans

TCAN1042HGDRQ1 finds extensive application in various automotive systems, including:

1. Engine control units (ECUs)
2. Transmission control units
3. Body control modules
4. Anti-lock braking systems (ABS)
5. Airbag control units
6. Instrument clusters
7. Powertrain control modules (PCM)
8. Electronic stability control (ESC) systems

Detailed and Complete Alternative Models

1. TCAN1042-Q1
2. SN65HVD1050-Q1
3. MCP2551
4. TJA1050
5. PCA82C250

These alternative models offer similar functionality to TCAN1042HGDRQ1 and can be considered as substitutes in automotive CAN bus applications.

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