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TJA1051 CAN Transceiver: Specifications, Equivalents, and Application Diagram

This article explores the TJA1051 transceiver that bridges the CAN protocol controller with the physical CAN bus. It enhances the interaction of complex data streams within automotive systems, optimizing both data exchange and system performance across a range of applications. With its design continuously refined, the TJA1051 not only exemplifies technical prowess but also contributes to the sophisticated landscape of modern automotive electronics. From pin configurations to component modeling, this article delves into the intricacies of its functionality and its integral role in advancing contemporary vehicular communication systems.

Catalog

1. What is the TJA1051?

2. TJA1051 Pin Configuration

3. TJA1051 Symbol, Footprint, and CAD Model

4. Features and Advantages of TJA1051

5. TJA1051 Technical Specifications

6. Functional Block Diagram of the TJA1051

7. TJA1051 Comparable Models

8. Application Diagram of TJA1051

9. Test Information Diagram of TJA1051

10. TJA1051 Packaging

11. TJA1051 Manufacturer Information

What is the TJA1051?

The TJA1051 serves the demanding needs of automotive systems that rely on fast-paced Controller Area Network (CAN) communication. This transceiver acts as a component, facilitating effective microcontroller communication with its capabilities for differential transmission and reception. Emerging as the third-generation transceiver from NXP, the TJA1051 distinguishes itself through enhanced protection against electromagnetic and electrostatic disturbances. Such advancements are invaluable in contemporary vehicles that host intricate electronic networks. Highlighting its superiority over its predecessor, the TJA1050, this model ensures dependable performance despite environmental variations. This reliability plays a role in automotive contexts, striving to balance electronic dependability with safety and operational efficiency.

The TJA1051 operates effortlessly with microcontrollers ranging from 3 to 5V, granting you the freedom to adapt to diverse voltage levels found in various automotive subsystems. By enabling communication without necessitating standby activation, it simplifies systems and conserves power, aligning well with energy-efficient management practices. Adhering to ISO 11898-2:2016 standards, the TJA1051 anchors robust data exchange between systems, assuring seamless interaction and ensuring safe implementation in applications. It accommodates data rates up to 5 Mbps, positioning it well for high-speed CAN environments needing swift and dependable communication. This reliable and prompt data exchange becomes increasingly as automotive technology evolves, pushing towards sophisticated driver assistance features and autonomous operations.

TJA1051 Pin Configuration

TJA1051 Pinout

Pin Number	Symbol	Description
1	TXD	Transmit data input
2	GND	Ground
3	VCC	Supply voltage
4	RXD	Receive data output; reads out data from the bus lines
5	VIO	Supply voltage for I/O level adapter; TJA1051T/3 and TJA1051TK/3 only
6	CANL	LOW-level CAN bus line
7	CANH	HIGH-level CAN bus line
8	S	Silent mode control input

TJA1051 Symbol, Footprint, and CAD Model

Features and Advantages of TJA1051

Compliance and Compatibility

The TJA1051 is fully aligned with industry standards, permitting data transmission speeds reaching up to 5 Mbps with CAN FD. It operates effortlessly across multiple voltage systems, offering adaptability that caters to diverse operational contexts. Its compatibility with various system architectures simplifies integration challenges faced in intricate electronic systems.

Enhanced Electromagnetic Handling

The TJA1051 is characterized by its reduced electromagnetic emissions and strong resilience to electromagnetic interference, making it ideal for environments prone to electronic component interference. Its ability to sustain stable performance near other devices minimizes data errors and system interruptions. Emphasizing electromagnetic robustness not only boosts device reliability but also extends its durability, an aspect for long-term system integrity.

Seamless Connectivity and Integration

The TJA1051 offers the benefit of direct connectivity with certain microcontrollers, streamlining system design by eliminating the need for additional interface components. This simplification leads to reduced latency and enhanced system response times, in high-speed network environments. In practical terms, such direct integration allows for quicker troubleshooting and easier maintenance, minimizing operational downtimes.

Efficient Power Management and Safeguards

Incorporating effective power management strategies, the TJA1051 reduces energy consumption without compromising performance, resonating with the increasing focus on energy-efficient technologies. Its robust protection features guard against voltage fluctuations and potential damage, ensuring the network remains operational even under harsh conditions. This reliability is need in mission-focused applications.

Commitment to Environmental Responsibility

With a design mindful of green compliance, the TJA1051 adheres to stringent environmental standards. Its construction and operational methodologies reflect a dedication to sustainable practices, increasingly pertinent as industries globally shift towards eco-friendly solutions. By opting for environmentally conscious components, businesses can enhance their brand image and appeal, while also contributing to environmental conservation.

TJA1051 Technical Specifications

Technical specifications, characteristics, and parameters of the NXP USA Inc. TJA1051, along with parts that have comparable specifications to the TJA1051T/3/1J.

Type	Parameter
Factory Lead Time	6 Weeks
Package / Case	8-SOIC (0.154, 3.90mm Width)
Operating Temperature	-40°C~150°C
Published	2010
Part Status	Active
Number of Terminations	8
Terminal Finish	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Supply Voltage	5V
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
JESD-30 Code	R-PDSO-G8
Protocol	CANbus
Duplex	Half
Length	4.9mm
Width	3.9mm
Mounting Type	Surface Mount
Surface Mount	YES
Packaging	Tape & Reel (TR)
JESD-609 Code	e4
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Transceiver
Voltage - Supply	4.5V~5.5V
Terminal Form	GULL WING
Number of Functions	1
Terminal Pitch	1.27mm
Pin Count	8
Data Rate	5Mbps
Number of Drivers/Receivers	1-Jan
Receiver Hysteresis	120mV
Height Seated (Max)	1.75mm
RoHS Status	ROHS3 Compliant

Functional Block Diagram of the TJA1051

TJA1051 Functional Block Diagram

TJA1051 Comparable Models

Model Number	Manufacturer	Description
78Q8430-100IGTR/F	Maxim Integrated Products	Manchester Encoder/Decoder, PQFP100, 14 X 14 MM, ROHS COMPLIANT, LQFP-100
MAX3053ASA	Maxim Integrated Products	Interface Circuit, 1-Trnsvr, BICMOS, PDSO8, SOIC-8
MCP2542FD-H/MF	Microchip Technology Inc	DATACOM, INTERFACE CIRCUIT
MCP2542FDT-E/MF	Microchip Technology Inc	DATACOM, INTERFACE CIRCUIT
PCA82C251T/N3,118	NXP Semiconductors	PCA82C251 - CAN transceiver for 24 V systems SOIC 8-Pin
PCA82C251U	NXP Semiconductors	IC DATACOM, INTERFACE CIRCUIT, UUC8, DIE-8, Network Interface
9.35E+11	NXP Semiconductors	DATACOM, INTERFACE CIRCUIT
9.35E+11	NXP Semiconductors	DATACOM, INTERFACE CIRCUIT, PDSO8
TJA1049T	NXP Semiconductors	DATACOM, INTERFACE CIRCUIT, PDSO8, 3.90 MM, GREEN, PLASTIC, MS-012, SOT96-1, SOP-8
TJA1057T/1Z	NXP Semiconductors	Interface Circuit
TJA1051T/3/1J	NXP USA Inc.	8-SOIC, Data Rate 5Mbps, Supply Voltage 5 V, Length 4.9 mm, Voltage - Supply 4.5V ~ 5.5V, Terminal Form GULL WING
TJA1042T/3/1J	NXP USA Inc.	8-SOIC, Supply Voltage 5 V, Length 4.9 mm, Voltage - Supply 4.5V ~ 5.5V, Terminal Form GULL WING
ATA6560-GAQW	NXP USA Inc.	8-SOIC, Data Rate 5Mbps, Supply Voltage 5 V, Length 4.9 mm, Voltage - Supply 4.5V ~ 5.5V, Terminal Form GULL WING
SN75477D	NXP USA Inc.	8-SOIC, Data Rate 5Mbps, Supply Voltage 5 V, Length 4.9 mm, Voltage - Supply 4.5V ~ 5.5V, Terminal Form GULL WING
TJA1042T/1J	NXP USA Inc.	8-SOIC, Data Rate 5Mbps, Supply Voltage 5 V, Length 4.9 mm, Voltage - Supply 4.5V ~ 5.5V, Terminal Form GULL WING

Application Diagram of TJA1051

TJA1051 Application Diagram

Test Information Diagram of TJA1051

Timing Test Circuit for CAN Transceiver

Test Circuit for Measuring Transceiver Driver Symmetry

TJA1051 Packaging

TJA1051 Package

TJA1051 Manufacturer Information

NXP Semiconductors takes a leading role in shaping the future of secure connectivity for embedded automotive solutions, creating pathways for innovative possibilities. By incorporating Freescale Semiconductor's technologies, NXP has widened its influence within the industry. Their dedication to secure connections enhances vehicle system reliability and safety. Many understand the complexities involved in merging technologies from various sources. Yet, NXP has skillfully navigated these challenges, enriching their contributions to automotive advancements. NXP's forward-looking strategy is centered on ongoing research and development investments that align with evolving automotive trends. The blend of artificial intelligence, the Internet of Things, and secure connectivity fuels the next wave of vehicle technologies. This strategic vision positions NXP as a figure in steering through the intricate maze of today’s automotive transformations.

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Frequently Asked Questions [FAQ]

1. What defines the TJA1051's unique character?

The design of the TJA1051 enhances interface configurations for high-speed automotive Controller Area Network (CAN) systems. It offers outstanding transmit and receive functionality, enabling seamless data communication, an element for modern vehicles. Thanks to its integration of advanced technology, it operates reliably across various automotive environments, addressing the diverse demands of the industry. Practically, such advanced interfaces often facilitate enhanced vehicle diagnostics and reduce data exchange latency.

2. How does the TJA1051 outperform the TJA1050?

As a next-generation model, the TJA1051 offers notable enhancements in Electromagnetic Compatibility (EMC), Electrostatic Discharge (ESD), signal slope, and Direct Current (DC) handling. These developments provide greater flexibility and robustness, making it a preferred choice for intricate CAN networks. In practical applications, these improvements lead to increased dependability and safety, which actively support automotive engineers in their pursuit of resilient vehicular communication infrastructures.

3. What variations are available for the TJA1051?

The TJA1051 comes in three distinct models, varying by the functionality of a single pin, offering different power supply choices and sleep mode capabilities. This adaptability enables customized solutions based on specific network demands. In practical terms, the ability to choose a model that closely aligns with system requirements can streamline design processes and optimize energy management, contributing positively to the development of more sustainable automotive technologies.

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