TJA1021T

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IC TRANSCEIVER FULL 1/1 8SOIC

  • FabricanteMelexis Technologies NV

  • Peça do Fabricante #TJA1021T

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Especificações

Atributo Valor
Part Status Active
Packaging Tape & Reel (TR)

Visão Geral

Description

The TJA1021T is a high-speed CAN transceiver designed for automotive applications. It acts as an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus, facilitating reliable communication in vehicles. The device is compliant with the ISO 11898-2 standard, ensuring compatibility with other CAN devices.
Key features of the TJA1021T include enhanced ESD protection, low electromagnetic emissions, and the ability to handle data rates up to 1 Mbps. It supports several modes, including normal, listen-only, and standby, optimizing power consumption and performance based on operational needs. The transceiver also includes a fail-safe mechanism to handle bus line failures, ensuring continuous operation under adverse conditions.
The TJA1021T is typically used in automotive electronics like engine control units (ECUs), body control modules, and infotainment systems. Its robustness and compliance with automotive standards make it a reliable choice for ensuring seamless communication within complex vehicular networks.

Equivalent

The TJA1021T chip is a LIN (Local Interconnect Network) transceiver. Equivalent products include:
1. Microchip ATA663211
2. Microchip ATA6621
3. STMicroelectronics L9640
4. ON Semiconductor NCV7321
These alternatives offer similar LIN transceiver capabilities and are suitable for automotive communication networks. Always check the datasheets to ensure compatibility with your specific requirements.

Features

The TJA1021T is an advanced transceiver designed for automotive applications, specifically supporting Local Interconnect Network (LIN) communication protocols. Key features include:
1. LIN Compatibility: Supports LIN 2.0, 2.1, 2.2, and SAE J2602 standards.
2. Low Power Consumption: Offers a low-power sleep mode with wake-up capabilities, contributing to reduced energy usage in vehicles.
3. Data Rates: Supports data rates up to 20 kbps, ensuring efficient communication within the network.
4. Robustness: Provides high electromagnetic compatibility and robustness against automotive environmental conditions.
5. Protection: Features thermal shutdown, short-circuit protection, and dominant state timeout for enhanced safety and reliability.
6. Wake-Up Functions: Supports wake-up via LIN bus or a local wake-up pin, providing flexibility in network management.
7. Supply Voltage: Operates on a wide supply voltage range, typically from 7 to 18 volts.
8. ESD Protection: Offers excellent electrostatic discharge protection to ensure durability and longevity.
These features make the TJA1021T a reliable choice for LIN networking in automotive applications, enhancing communication efficiency and safety.

Pinout

The TJA1021T is a LIN (Local Interconnect Network) transceiver commonly used in automotive applications for in-vehicle networking. It typically comes in an 8-pin SO (Small Outline) package. Here's a brief overview of its pins and functions:
1. TXD (Transmitter Data Input): Receives the data from the microcontroller to be transmitted on the LIN bus.

2. RXD (Receiver Data Output): Outputs the data received from the LIN bus to the microcontroller.

3. EN (Enable): Used to enable or disable the transceiver’s operation.

4. INH (Inhibit Output): Controls external circuitry, often used to manage power to other components.

5. VBAT (Battery Supply Voltage): The input pin for the battery voltage supply, powering the transceiver.
6. GND (Ground): The ground reference for the transceiver.
7. LIN (LIN Bus Line): The LIN bus line to transmit and receive data.
8. N.C. (No Connection): May be present in some variations for mechanical stability, but does not connect to the internal circuitry.
These pins facilitate the TJA1021T's role in managing communication between various electronic control units within a vehicle.

Manufacturer

The TJA1021T is manufactured by NXP Semiconductors. NXP is a global semiconductor company headquartered in Eindhoven, Netherlands. It specializes in providing high-performance mixed signal and standard product solutions, with a focus on automotive, identification, wireless infrastructure, lighting, industrial, mobile, consumer, and computing applications. Known for its innovation in secure connectivity solutions, NXP plays a significant role in developing technologies that enable secure connections for a smarter world.

Application

The TJA1021T is a LIN (Local Interconnect Network) transceiver designed for automotive applications. It is commonly used in areas requiring reliable communication between microcontrollers and peripheral devices over a LIN bus. Typical application areas include body electronics such as window lifters, seat controls, and mirror adjustments. It is also used in lighting systems, climate control, and infotainment systems. Additionally, the TJA1021T supports energy-efficient communication, making it suitable for battery-operated devices and systems requiring low power consumption. Overall, it is integral to enhancing vehicle communication networks and improving automotive system efficiency.

Package

The TJA1021T is a LIN (Local Interconnect Network) transceiver by NXP Semiconductors. It is packaged in an SO8 (Small Outline) package, which is an 8-pin surface-mount package commonly used for integrated circuits.

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