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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversTJA1044GTK/3Z
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TJA1044GTK/3Z - NXP USA Inc.

Manufacturer Part Number
TJA1044GTK/3Z
Manufacturer
NXP Semiconductors
Allelco Part Number
32D-TJA1044GTK/3Z
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
52,770 pcs available, New & Original
Parts Description
IC TRANSCEIVER HALF 1/1 8HVSON
Package
8-HVSON (3x3)
Data sheet
TJA1044GTK/3Z.pdf

Datasheets

TJA1044.pdf

PCN Design/Specification

TJA1044x 17/Feb/2023.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 52770
  • Unit Price: $0.315
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.315 $0.32
10+ $0.255 $2.55
30+ $0.225 $6.75
100+ $0.196 $19.60
500+ $0.186 $93.00
1000+ $0.177 $177.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TJA1044GTK/3Z Tech Specifications
NXP USA Inc. - TJA1044GTK/3Z technical specifications, attributes, parameters and parts with similar specifications to NXP USA Inc. - TJA1044GTK/3Z

Product Attribute Attribute Value
Manufacturer NXP Semiconductors
Voltage - Supply 4.75V ~ 5.25V
Type Transceiver
Supplier Device Package 8-HVSON (3x3)
Series -
Receiver Hysteresis 300 mV
Protocol CANbus
Package / Case 8-VDFN Exposed Pad
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 150°C
Number of Drivers/Receivers 1/1
Mounting Type Surface Mount
Duplex Half
Data Rate -
Base Product Number TJA1044

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TJA1044GTK/3Z Image
TJA1044GTK/3Z (1)

Manufacturer Part Number

TJA1044GTK/3Z

Manufacturer

nxp-semiconductors

Introduction

The TJA1044GTK/3Z from NXP Semiconductors is a high-speed CAN transceiver designed for automotive and industrial communication networks.

Product Features and Performance

Supports CAN (Controller Area Network) protocol

Operates with a single receiver and transmitter (1/1 Duplex)

Features receiver hysteresis of 300 mV for improved noise immunity

Designed for high-speed operation in automotive environments

Surface Mount Technology (SMT) for efficient assembly

8-VDFN Exposed Pad package for reduced space and improved thermal performance

Product Advantages

Enhanced electromagnetic compatibility (EMC) and ESD protection

Low electromagnetic emissions (EME)

Differential receiver with high immunity to electromagnetic interference (EMI)

Suitable for high-temperature operation up to 150°C

Low current consumption in standby mode for power efficiency

Key Technical Parameters

Protocol: CANbus

Number of Drivers/Receivers: 1/1

Duplex: Half

Receiver Hysteresis: 300 mV

Supply Voltage: 4.75V ~ 5.25V

Operating Temperature: -40°C ~ 150°C

Package / Case: 8-VDFN Exposed Pad

Supplier Device Package: 8-HVSON (3x3)

Quality and Safety Features

Robust against disconnection or short-circuiting of the bus lines

Thermal protection against overheating

Overvoltage protection ensures longevity and reliability

Compatibility

Compatible with various microcontrollers and processors that support the CAN protocol

Suitable for use in automotive and industrial control systems adhering to the CAN standard

Application Areas

Automotive networks, including body control modules, gateway modules, and powertrain applications

Industrial automation systems

Embedded systems requiring robust communication capabilities

Product Lifecycle

Currently Active status indicates ongoing manufacturing and support

Not near discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

High-speed CAN communication with robust signal integrity

Wide operating temperature range suitable for harsh environments

Enhanced safety and quality features for reliable operation

Ideal for automotive and industrial applications requiring durable and efficient CAN communication

NXP Semiconductors' reputation for quality and reliability in the semiconductor industry

Frequently Asked Questions(FAQ)

How does the TJA1044GTK/3Z handle voltage fluctuations in a 5V automotive CAN bus system, and what is its receiver hysteresis value to ensure reliable signal detection under noise?
The TJA1044GTK/3Z operates within a supply voltage range of 4.75V to 5.25V, which aligns with standard 5V automotive systems and provides a narrow margin for tolerance against minor voltage drops or transients. Its receiver hysteresis is specified as 300 mV, meaning the input threshold for valid logic high versus low transitions differs by this amount to prevent chatter in noisy environments. This design helps maintain stable communication even when bus signals experience moderate electromagnetic interference, reducing the risk of false wake-up events or data corruption during transient conditions common in vehicle networks.
What are the thermal performance implications of using the TJA1044GTK/3Z in a compact automotive control unit, and how does its operating temperature range support long-term reliability?
With an operating temperature range from -40°C to 150°C, the TJA1044GTK/3Z is rated for extreme environments typical of under-hood or high-power electronic control modules. The 8-HVSON (3x3) package includes an exposed pad that enhances heat dissipation to the PCB ground plane, improving thermal management in space-constrained designs. This capability allows sustained operation near the upper temperature limit without degradation in signal integrity or functional safety, supporting applications such as engine management systems where ambient temperatures can rise significantly due to proximity to heat sources.
Can the TJA1044GTK/3Z be used in a dual-CAN node configuration, and how does its half-duplex architecture affect network topology flexibility?
The TJA1044GTK/3Z supports one transmit and one receive channel per device, making it suitable for half-duplex CAN implementations. While not intended for true full-duplex communication, it can function effectively in dual-node setups where each node requires independent transmission and reception paths—such as in gateway modules bridging different CAN domains. However, simultaneous bidirectional communication must be managed via protocol-level coordination, as the transceiver cannot transmit and receive at the same time on the same bus segment.
How does the TJA1044GTK/3Z compare to other NXP CAN transceivers like the TJA1051T regarding differential output voltage and fault tolerance?
Unlike the TJA1051T, which is designed for non-isolated industrial environments with higher output swing and robust short-circuit protection, the TJA1044GTK/3Z is optimized for isolated automotive systems. It features lower differential output voltage compared to the TJA1051T but compensates with galvanic isolation support through external components, enabling safe communication across voltage domains. This makes the TJA1044GTK/3Z more appropriate for battery-powered ECUs requiring electrical separation from high-voltage loads, whereas the TJA1051T may offer better performance in rugged but unisolated settings.
Is the TJA1044GTK/3Z suitable for use in systems requiring ISO 11898-2 compliance, and what role does its data rate play in determining maximum cable length?
Yes, the TJA1044GTK/3Z complies with the physical layer requirements of ISO 11898-2, ensuring compatibility with modern high-speed CAN (ISO 11898-2) networks. Although its datasheet does not specify a fixed data rate, typical implementations operate at up to 1 Mbps over twisted-pair cables. At this speed, maximum practical bus lengths are limited to approximately 40 meters due to propagation delay and attenuation; however, in real-world automotive applications, shorter segments (<10 m) are commonly used to maintain signal integrity and meet timing constraints defined by the CAN protocol’s bit timing parameters.
What considerations should engineers evaluate when integrating the TJA1044GTK/3Z into a design that uses partial power-down modes, given its supply voltage range?
Engineers must ensure that any partial power-down or sleep-mode implementation maintains the TJA1044GTK/3Z above its minimum operating voltage of 4.75V unless the part is fully powered off. During wake-up sequences, sudden voltage dips below this threshold could trigger unintended reset behavior or latch-up conditions. Therefore, power sequencing circuits should guarantee stable 5V delivery before asserting enable signals, and decoupling capacitors near the VCC pin should be sized to handle inrush currents without causing brownout during mode transitions—especially critical in battery-operated vehicles with fluctuating alternator output.
How does the Moisture Sensitivity Level (MSL) of 1 for the TJA1044GTK/3Z influence handling procedures during PCB assembly, and what benefits does this provide?
Classified as MSL 1, the TJA1044GTK/3Z is considered moisture-resistant and does not require baking prior to reflow soldering, nor special packaging during storage. This simplifies manufacturing logistics and reduces lead times for high-volume production. Components can be stored indefinitely under normal conditions and used directly after unpacking, provided they remain within recommended environmental limits—ideal for automotive supply chains where just-in-time inventory practices are common.
What advantages does the HVSON package of the TJA1044GTK/3Z offer over traditional SOIC variants in terms of thermal and electrical performance?
The 8-HVSON (3x3) package features a thermally enhanced exposed pad that improves heat transfer from the die to the PCB, resulting in lower junction-to-ambient thermal resistance compared to SOIC alternatives. Electrically, the smaller footprint reduces parasitic inductance and capacitance, enhancing high-speed signal integrity in CAN communications. Additionally, the compact size enables denser layouts in multi-channel systems, though designers must ensure adequate copper area and thermal vias beneath the exposed pad to realize full thermal benefit during continuous operation.
In a mixed-signal automotive ECU, how should the TJA1044GTK/3Z be grounded to minimize ground loop issues and ensure reliable CAN communication?
To avoid ground potential differences between nodes, the TJA1044GTK/3Z should share a single-point ground with the microcontroller and other analog/digital sections whenever possible. If galvanic isolation is required (e.g., for safety-critical functions), optocouplers or digital isolators must bridge the ground planes while maintaining proper shielding of the CAN_H and CAN_L lines. Poor grounding can introduce common-mode noise that exceeds the transceiver’s ±7V fault-tolerance, leading to errors or damage—particularly problematic in systems with multiple power domains or long cable runs.
How does the TJA1044GTK/3Z support fail-safe functionality in case of open-circuit faults on the CAN bus, and what impact does this have on node design?
The TJA1044GTK/3Z incorporates internal fail-safe biasing resistors that pull both CAN_H and CAN_L toward recessive levels when the transceiver enters a fault state or loses power. This ensures that other nodes detect a dominant bit rather than floating inputs, preventing lockup scenarios. Node designs benefit from these features by simplifying protection circuitry and reducing the need for external biasing networks, though termination resistors (typically 120Ω) must still be placed at both ends of the bus to match impedance and prevent reflections.
Can the TJA1044GTK/3Z be used interchangeably with the TJA1042 in systems requiring low-power modes, and what key differences should be considered?
While both devices serve similar roles, the TJA1044GTK/3Z supports higher junction temperatures (up to 150°C) compared to the TJA1042’s 125°C limit, making it more suitable for harsh environments. Additionally, the TJA1044GTK/3Z typically offers better electrostatic discharge (ESD) protection and improved noise immunity in isolated configurations. Interchangeability depends on thermal and reliability requirements; substituting one for the other without verifying all environmental constraints may compromise long-term robustness in mission-critical applications.
What are the implications of using the Cut Tape packaging option for the TJA1044GTK/3Z in automated assembly, and how does it compare to reel-based delivery?
The Cut Tape (CT) format provides individual units in antistatic tape, facilitating pick-and-place machine feeding and reducing manual handling during prototyping or small-batch production. Compared to Digi-Reel® (spooled reel), CT offers faster setup and minimal changeover time but may incur slightly higher per-unit costs at scale. For high-volume automotive manufacturing, Digi-Reel® is preferred due to continuous feeding and lower material waste, while CT suits flexible development cycles and quick-turn builds. Both formats maintain full RoHS compliance and identical electrical characteristics.

Parts with Similar Specifications

The three parts on the right have similar specifications to NXP USA Inc. TJA1044GTK/3Z

Product Attribute TJA1044GT/3Z TJA1044GTKZ TJA1044GT/1Z TJA1044T/1Z
Part Number TJA1044GT/3Z TJA1044GTKZ TJA1044GT/1Z TJA1044T/1Z
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc.
Base Product Number - DAC34H84 MAX500 ADS62P42
Data Rate - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Protocol - - - -
Duplex - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Drivers/Receivers - - - -
Voltage - Supply - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Receiver Hysteresis - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -

TJA1044GTK/3Z Datasheet PDF

Download TJA1044GTK/3Z pdf datasheets and NXP USA Inc. documentation for TJA1044GTK/3Z - NXP USA Inc..

Datasheets
TJA1044.pdf
PCN Packaging
All Dev Label Update 15/Dec/2020.pdf
Environmental Information
NXP USA Inc REACH.pdf NXP USA Inc RoHS Cert.pdf
PCN Design/Specification
TJA1044x 17/Feb/2023.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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TJA1044GTK/3Z Image

TJA1044GTK/3Z

NXP USA Inc.
32D-TJA1044GTK/3Z

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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