TJA1051 CAN Transceiver: Features, Equivalent and Datasheet
8 Terminations Receivers 1/1 Drivers/Receivers 1 Functions
The TJA1051 is a high-speed CAN transceiver that provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing differential transmit and receive capability to (a microcontroller with) a CAN protocol controller. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

Implementing partial networking: CAN Transceivers with Selective Wake & Advanced Diagnostics
TJA1051 Pinout
The following figure is the diagram of TJA1051 pinout.

Pinout
| Pin | 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 |
Pin description
TJA1051 CAD Model
The followings are TJA1051 Symbol, Footprint, and 3D Model.

PCB Symbol

PCB Footprint

3D Model
TJA1051 Overview
The TJA1051 is a high-speed CAN transceiver that provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing differential transmit and receive capability to (a microcontroller with) a CAN protocol controller. The TJA1051 belongs to the third generation of high-speed CAN transceivers from NXP Semiconductors, offering significant improvements over first- and second-generation devices such as the TJA1050. It offers improved ElectroMagnetic Compatibility (EMC) and ElectroStatic Discharge (ESD) performance, and also features: Ideal passive behavior to the CAN bus when the supply voltage is off; TJA1051T/3 and TJA1051TK/3 can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V. The TJA1051 implements the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5. This implementation enables reliable communication in the CAN FD fast phase at data rates up to 5 Mbit/s. These features make the TJA1051 an excellent choice for all types of HS-CAN networks, in nodes that do not require a standby mode with wake-up capability via the bus.
This article provides you with a basic overview of the TJA1051 CAN Transceiver, including its pin descriptions, features and specifications, etc., to help you quickly understand what TJA1051 is.
TJA1051 Features and Benefits
● General
◆ ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant
◆ Timing guaranteed for data rates up to 5 Mbit/s in the CAN FD fast phase
◆ Suitable for 12 V and 24 V systems
◆ Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
◆ VIO input on TJA1051T/3 and TJA1051TK/3 allows for direct interfacing with 3 V to 5 V microcontrollers (available in SO8 and very small HVSON8 packages respectively)
◆ EN input on TJA1051T/E allows the microcontroller to switch the transceiver to a very low-current Off mode
◆ Available in SO8 package or leadless HVSON8 package (3.0 mm × 3.0 mm) with improved Automated Optical Inspection (AOI) capability
◆ Dark green product (halogen free and Restriction of Hazardous Substances (RoHS) compliant)
◆ AEC-Q100 qualified
● Low-power management
◆ Functional behavior predictable under all supply conditions
◆ Transceiver disengages from the bus when not powered up (zero load)
● Protection
◆ High ElectroStatic Discharge (ESD) handling capability on the bus pins
◆ Bus pins protected against transients in automotive environments
◆ Transmit Data (TXD) dominant time-out function
◆ Undervoltage detection on pins VCC and VIO
◆ Thermally protected
Specifications
- TypeParameter
- Factory Lead Time6 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
8-SOIC (0.154, 3.90mm Width) - Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
YES - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~150°C - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tape & Reel (TR) - Published2010
- JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e4 - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Number of Terminations8
- TypeTransceiver
- Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
4.5V~5.5V - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
GULL WING - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
NOT SPECIFIED - Number of Functions1
- Supply Voltage
Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.
5V - Terminal Pitch
The center distance from one pole to the next.
1.27mm - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
NOT SPECIFIED - Pin Count
a count of all of the component leads (or pins)
8 - JESD-30 Code
JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.
R-PDSO-G8 - Data Rate
Data Rate is defined as the amount of data transmitted during a specified time period over a network. It is the speed at which data is transferred from one device to another or between a peripheral device and the computer. It is generally measured in Mega bits per second(Mbps) or Mega bytes per second(MBps).
5Mbps - Protocol
In electronic components, the parameter "Protocol" refers to a set of rules and standards that govern the communication between devices. It defines the format, timing, sequencing, and error checking methods for data exchange between different components or systems. Protocols ensure that devices can understand and interpret data correctly, enabling them to communicate effectively with each other. Common examples of protocols in electronics include USB, Ethernet, SPI, I2C, and Bluetooth, each with its own specifications for data transmission. Understanding and adhering to protocols is essential for ensuring compatibility and reliable communication between electronic devices.
CANbus - Number of Drivers/Receivers1/1
- Duplex
In the context of electronic components, "Duplex" refers to a type of communication system that allows for bidirectional data flow. It enables two devices to communicate with each other simultaneously, allowing for both sending and receiving of data at the same time. Duplex communication can be further categorized into two types: half-duplex, where data can be transmitted in both directions but not at the same time, and full-duplex, where data can be sent and received simultaneously. This parameter is crucial in networking and telecommunications systems to ensure efficient and effective data transmission between devices.
Half - Receiver Hysteresis
Receiver hysteresis is?commonly used to ensure glitch-free reception even when differential noise is present. This application report compares the noise immunity of the SN65HVD37 to similar devices available from competitors. Contents.
120mV - Length4.9mm
- Height Seated (Max)
Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.
1.75mm - Width3.9mm
- RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
TJA1051 Functional Block Diagram
The following is the Block Diagram of TJA1051.

Block diagram
TJA1051 Equivalent
| Model number | Manufacturer | Description |
| 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 |
| MCP2542FDT-E/MF | Microchip Technology Inc | DATACOM, INTERFACE CIRCUIT |
| 935303566118 | NXP Semiconductors | DATACOM, INTERFACE CIRCUIT, PDSO8 |
| MAX3053ASA | Maxim Integrated Products | Interface Circuit, 1-Trnsvr, BICMOS, PDSO8, SOIC-8 |
| TJA1057T/1Z | NXP Semiconductors | Interface Circuit |
| MCP2542FD-H/MF | Microchip Technology Inc | DATACOM, INTERFACE CIRCUIT |
| 935301677118 | NXP Semiconductors | DATACOM, INTERFACE CIRCUIT |
| TJA1049T | NXP Semiconductors | DATACOM, INTERFACE CIRCUIT, PDSO8, 3.90 MM, GREEN, PLASTIC, MS-012, SOT96-1, SOP-8 |
| 78Q8430-100IGTR/F | Maxim Integrated Products | Manchester Encoder/Decoder, PQFP100, 14 X 14 MM, ROHS COMPLIANT, LQFP-100 |
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseData RateSupply VoltageNumber of TerminationsLengthVoltage - SupplyTerminal FormView Compare
TJA1051T/3/1J
8-SOIC (0.154, 3.90mm Width)
5Mbps
5 V
8
4.9 mm
4.5V ~ 5.5V
GULL WING
8-SOIC (0.154, 3.90mm Width)
-
5 V
8
4.9 mm
4.5V ~ 5.5V
GULL WING
8-SOIC (0.154, 3.90mm Width)
5 Mbps
5 V
8
4.9 mm
4.5V ~ 5.5V
GULL WING
8-SOIC (0.154, 3.90mm Width)
5Mbps
5 V
8
4.9 mm
4.5V ~ 5.5V
GULL WING
8-SOIC (0.154, 3.90mm Width)
5Mbps
5 V
8
4.9 mm
4.5V ~ 5.5V
GULL WING
TJA1051 Application Diagram
The following is the Application Diagram of TJA1051.

Typical application
TJA1051 Test Information
The following figure is the diagram of TJA1051 Test Information.

Timing test circuit for CAN transceiver

Test circuit for measuring transceiver driver symmetry
TJA1051 Package
The following diagram shows the TJA1051 package.

Package outline
TJA1051 Manufacturer
NXP Semiconductors enables secure connections and infrastructure for a smarter world, advancing solutions that make lives easier, better and safer. As the world leader in secure connectivity solutions for embedded applications, NXP is driving innovation in the secure connected vehicle, end-to-end security & privacy and smart connected solutions markets. Built on more than 60 years of combined experience and expertise, the company has 45,000 employees in more than 35 countries. Freescale Semiconductor has been acquired by NXP Semiconductor. Freescale Semiconductor parts are now a part of the NXP family (Dec 2015).
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Datasheet PDF
- Datasheets :
- PCN Assembly/Origin :
- PCN Design/Specification :
- Environmental Information :
What is the essential property of the TJA1051?
The TJA1051 is a high-speed CAN transceiver that provides an interface between a Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus. The transceiver is designed for high-speed CAN applications in the automotive industry, providing differential transmit and receive capability to (a microcontroller with) a CAN protocol controller.
What are the advantages of the TJA1051 over the TJA1050 transceiver? Where is it reflected?
The TJA1051 is a high-speed CAN stand-alone transceiver with Silent mode. It combines the functionality of the TJA1050 transceiver with improved EMC and ESD handling capability. Improved slope control and high DC handling capability on the bus pins provides additional application flexibility.
How many versions of TJA1051 are there? What's the difference between them?
The TJA1051 is available in three versions, distinguished only by the function of pin 5: The TJA1051T is backwards compatible with the TJA1050; The TJA1051T/3 and TJA1051TK/3 allow for direct interfacing to microcontrollers with supply voltages down to 3 V; The TJA1051T/E allows the transceiver to be switched to a very low-current Off mode. There are three versions of the TJA1051 available, only differing in the function of a single pin.
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