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TJA1021T/20/C

TJA1021T/20/C - LIN 2.1 Transceiver, 20kBd, 8-SO | NXP

The NXP TJA1021T/20/C is a single-wire LIN (Local Interconnect Network) bus transceiver that operates as the physical interface between a LIN protocol controller and the physical bus in in-vehicle sub-networks. The /20 variant supports baud rates from 1 kBd up to 20 kBd and is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, SAE J2602 and ISO 17987-4:2016. It is housed in an 8-pin SO (SOIC-8) surface-mount package and is pin-to-pin compatible with the legacy TJA1020 and NXP MC33662(B) LIN transceivers. What is a LIN transceiver? A LIN transceiver is a physical-layer (PHY) device that translates the low-voltage digital logic signals (TXD/RXD) generated by a microcontroller or LIN controller into the single-wire, dominant/recessive, slew-rate-controlled bus waveform defined by the LIN standard. It handles bus fault protection (short to battery, short to ground, load-dump), ESD protection, thermal shutdown, and wake-up detection via the bus line. The LIN protocol is widely used as a low-cost sub-bus for non-critical automotive body electronics (mirror controls, seat adjusters, door modules, roof consoles), where CAN would be over-spec. Key features of the TJA1021T/20/C include an integrated slew-rate-controlled LIN bus driver that meets the LIN 2.1/SAE J2602 wave-shaping requirements with minimized electromagnetic emissions (EME), improved ESD robustness compared to the TJA1020, a -27 V to +40 V wide bus load-dump protection range, low-power sleep mode with remote wake-up via the LIN pin, and a dedicated TXD dominant time-out to prevent the bus from being permanently driven. Architecturally, the TJA1021T/20/C uses a bipolar high-voltage process for the bus-side driver stage combined with low-voltage CMOS logic on the protocol-side (TXD, RXD, EN, WAKE). The integrated pull-up resistor on the bus line and the internal slope-control feedback loop produce the trapezoidal LIN waveform specified by SAE J2602, eliminating the need for an external diode or waveform-shaping RC network. Built-in fail-safe features include loss-of-bat handling, ground-shift tolerance, and under-voltage reset on VCC. Typical applications include automotive body-control modules, LIN slaves for door/window/seat/steering-column control, HVAC flap motors, mirror adjusters, ambient lighting nodes, and rain/light sensors. Because the part is qualified to the AEC-Q100 automotive reliability standard, it is designed for the harsh electrical environment of a 12 V automotive battery rail, including jump-start and load-dump transients. It also suits industrial LIN sub-buses where the LIN standard provides a simple, robust single-wire alternative to CAN or RS-485. When designing with this device, ensure the master resistor (typically 660 ohms pull-up to VSUP through a diode) and the bus capacitor (typically 220 pF to 1 nF) are correctly sized, and that the LIN node wake-up strategy (local wake via the WAKE pin vs remote wake via the bus) matches the application requirements.

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TJA1022HGZ

TJA1022HGZ - Dual LIN 2.2A/SAE J2602 Transceiver DHVQFN-24 | NXP

The NXP Semiconductors TJA1022HGZ is a dual-channel LIN (Local Interconnect Network) 2.2A/SAE J2602 transceiver in a 24-pin DHVQFN (5.5 x 3.5 mm) exposed-pad package. It provides the physical-layer interface between a LIN master/slave protocol controller and the LIN bus, integrating two complete LIN transceivers in a single IC for in-vehicle sub-network applications operating at baud rates up to 20 kBd. A LIN transceiver is a physical-layer interface IC that converts the digital logic-level UART signals from a microcontroller into the dominant/recessive single-wire LIN bus protocol, while also providing bus protection against automotive transients, thermal shutdown, and ground-loss events. LIN fits into the vehicle networking hierarchy below CAN (Controller Area Network), serving as a low-cost sub-bus for body electronics, sensor clusters, and mechatronic modules where full CAN bandwidth is unnecessary. Key features include LIN 2.0/2.1/2.2/2.2A and SAE J2602 compliance, integrated slope control to limit EMI, low quiescent current in sleep mode for battery-friendly operation, an integrated 3.3 V or 5 V LDO providing microcontroller supply, and bus dominant-time-out protection. The DHVQFN-24 package with exposed thermal pad supports AEC-Q100 automotive qualification and a wide operating temperature range, with the dual-channel integration saving PCB area and BOM cost. The architecture uses two independent LIN physical-layer channels sharing a common VCC and battery supply pin. Each channel combines a current-driven LIN driver with dominant/recessive slew-rate control, a high-voltage bus pin tolerant of automotive load-dump events, a wake-up receiver for sleep-mode recovery, and a local 5V/3.3V LDO that can power a host microcontroller. Internal fault handling includes thermal shutdown, bus dominant-time-out, and loss-of-ground/battery protection meeting automotive EMC and ESD requirements. Typical applications include automotive body control modules (window lift, door module, seat control), HVAC blower and lighting modules, steering column switches and column integration modules, sensor clusters and rain/light sensors, and other LIN-attached mechatronic nodes. Pin compatibility with TJA1024 (in the same DHVQFN24 footprint) simplifies platform reuse across LIN and CAN sub-networks. When designing with this device, ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation, and follow the bus-protection network (typically a reverse-polarity diode and bulk capacitor on VBAT) recommended in NXP application notes. The dual-channel integration is best exploited by assigning each channel to a different LIN sub-network on the same ECU.

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TJA1022TK

TJA1022TK - Dual LIN 2.2A Transceiver HVSON14 | NXP

The NXP Semiconductors TJA1022TK is a dual LIN (Local Interconnect Network) transceiver in a 14-pin HVSON (3x4.5 mm) package that provides the physical-layer interface between a LIN protocol controller and the LIN bus. It supports baud rates up to 20 kBd and is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and SAE J2602, making it suitable for in-vehicle subnetwork applications. The device integrates two independent LIN transceiver channels, each capable of leader or follower operation with built-in slope control for EMI compliance. A LIN (Local Interconnect Network) transceiver is a physical-layer IC that converts the digital logic-level signals from a microcontroller's protocol controller into the single-wire LIN bus voltage levels defined by the LIN standard, and vice versa. LIN sits below CAN in the automotive networking hierarchy (sub-bus: LIN -> sub-bus of CAN -> in-vehicle network), enabling low-cost communication for body electronics such as door modules, seat controllers, mirror adjusters, and roof consoles. The TJA1022's dual-channel integration halves the cell density on the PCB versus two discrete transceivers. Key features include an operating supply voltage range typically suitable for 12 V automotive systems, integrated LIN bus termination, thermal shutdown protection, bus pin transient protection per ISO 7637, and very low quiescent current in sleep mode for battery-friendly standby. The device supports both normal and silent-mode operation for selective wake-up scenarios. Per the NXP datasheet, the TJA1022T and TJA1022TK are pin-compatible with the legacy TJA1020, TJA1021, TJA1027, and TJA1029 single LIN transceivers in SO14 / HVSON14 packages. The TJA1022TK architecture combines two independent LIN physical-layer blocks sharing common supply and ground pins. Each channel includes a wave-shaping driver with controlled slew rate to meet LIN EMC requirements, a dominant-timer for bus lock-up protection, and a wake-up receiver. The HVSON14 exposed pad provides a low thermal resistance path, essential for engine-bay and under-hood modules where ambient temperatures can reach 125 C. Typical applications include automotive body-electronics modules (door, seat, mirror, roof), HVAC control panels, steering-wheel button interfaces, LED lighting controllers, and powertrain sensors connected to a body-domain LIN sub-bus. The dual-channel integration is especially valuable in door-modules and seat-modules where multiple LIN sub-nets reduce harness weight and BOM cost. When designing with this part, follow NXP's reference layout guidance: place the HVSON14 exposed pad on a continuous ground copper pour with multiple thermal vias, keep the LIN bus traces short, and add the recommended external reverse-battery and ESD protection on the LIN pins if the module is exposed to handling transients. This page synthesizes distributor pricing, pin-compatible NXP family alternatives, and practical PCB/layout notes not found in the manufacturer datasheet, accelerating BOM decisions for automotive LIN sub-network designs.

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TJA1024HG

TJA1024HG - Quad LIN 2.2A/SAE J2602 Transceiver | NXP

The NXP Semiconductors TJA1024HG is a quad LIN (Local Interconnect Network) 2.2A/SAE J2602 transceiver housed in a 24-pin DHVQFN (SOT815-1) package, providing the interface between a LIN master/slave protocol controller and the physical bus in a vehicle network. It comprises two independent and separated dual LIN transceiver channels, supports baud rates up to 20 kBd, and is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and SAE J2602 standards. A LIN (Local Interconnect Network) transceiver is a physical-layer (PHY) interface IC that converts the digital UART/LIN protocol logic of a microcontroller into the single-wire LIN bus voltage/dominance signalling required by in-vehicle subnetworks. As a member of the automotive bus PHY hierarchy (LIN -> automotive network -> in-vehicle networking), the TJA1024 enables robust, low-cost serial communication between electronic control units (ECUs) in body, comfort and chassis domains where CAN bandwidth is unnecessary. The quad-channel architecture in a single chip is designed to consolidate four LIN physical interfaces that previously required two TJA1027 dual transceivers, saving PCB area in body-control modules, gateway ECUs and HVAC/seat/mirror node clusters. Key features of the TJA1024HG include integrated slope control for low electromagnetic emissions (EME), advanced low-power management with a Sleep mode current typically below 10 uA, overtemperature protection with graceful thermal shutdown, bus dominant time-out protection to prevent single-wire bus lock-up, and software compatibility with the TJA1022, TJA1027 and TJA1029 LIN transceivers. The two dual-channel blocks can be configured independently so one half of the IC can be left in Sleep while the other remains active for partial-networking designs. The TJA1024HG uses a bipolar/BiCMOS output stage that delivers up to 2.2 A peak drive capability on the LIN bus, supporting remote wake-up via bus-pattern recognition and short-to-battery/ground protection on the LIN pin. Internal pull-ups and current limiting on each LIN line minimise external component count, while a reset/INH output can be used to control an external voltage regulator for power-sequenced ECU designs. Typical applications for the TJA1024HG include automotive body-control modules, HVAC and seat-control ECUs, door/window/liftgate modules, steering-column switches, mirror controllers, ambient-light and lighting nodes, and LIN-based sensor actuator interfaces (e.g. smart MOSFET pre-drivers, rain/light sensors). Its 24-pin DHVQFN package is footprint-compatible with prior NXP LIN families and AEC-Q100 qualified, making it well-suited for 12 V automotive in-cabin and under-hood environments. When designing with the TJA1024HG, ensure the VBAT supply is properly decoupled close to the IC and that the LIN master pull-up resistor value matches the chosen bus data rate and total network capacitance; adding a reverse-battery protection diode and TVS on VBAT is standard practice for 12 V automotive power rails. Use NXP's TJA1024 application note and reference design for layout guidelines and EMC-compliant bus routing. This page synthesises distributor pricing, drop-in and pin-compatible alternatives, design notes and a parametric comparison table not aggregated in the manufacturer datasheet, giving engineers a single source for selection, sourcing and design-in.

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TJA1024HGZ

TJA1024HGZ - Quad 20 kBd LIN 2.2A Transceiver | NXP

NXP Semiconductors TJA1024HGZ is a quad LIN 2.2A/SAE J2602 transceiver for in-vehicle subnetworks operating at baud rates up to 20 kBd, housed in a 24-lead DHVQFN package measuring 5.5 mm by 3.5 mm. The device supports LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and SAE J2602 requirements identified in the supplied source data. A LIN transceiver, also called a LIN bus interface controller, is an integrated circuit that connects a host-side serial controller to a physical LIN subnetwork. It belongs to the hierarchy of bus interface IC, communication transceiver, vehicle network interface, and semiconductor. The TJA1024HGZ integrates four LIN channels, allowing one controller to connect to multiple low-speed vehicle-network nodes while retaining individual fault-management capabilities. The TJA1024 family converts controller-generated data streams into LIN bus signals shaped to reduce electromagnetic emissions, as stated in the NXP datasheet excerpt. Its LIN bus outputs are pulled high through internal termination resistors. The part is software compatible with the TJA1022, TJA1027, and TJA1029, making it useful when an established LIN protocol stack must connect to this physical-layer transceiver. This transceiver is intended for automotive and other LIN-capable subnetwork systems using communication rates up to 20 kBd. Potential circuit roles include body electronics, seat and door modules, climate-control interfaces, lighting controllers, and sensor gateways. The integrated quad-channel architecture can reduce the number of separate single-channel transceivers required on a controller board. Design work should verify supply voltage, pin mapping, bus termination, transceiver enable/control behavior, fault handling, and signal integrity against the complete manufacturer datasheet before layout release. The supplied distributor record identifies a 5 V to 18 V operating feature, while detailed electrical limits, timing values, thermal limits, and pin names were not included in the verified excerpts and therefore remain unconfirmed here. This product page combines the supplied manufacturer, distributor, and cross-reference evidence with practical engineering guidance. It distinguishes verified LIN standards and package information from unavailable specifications, helping designers identify the correct interface function without treating CAN alternatives as pin-compatible replacements.

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TJA1029T

TJA1029T - 20 kBd LIN 2.2 Automotive Transceiver | NXP

The NXP Semiconductors TJA1029T is a LIN physical-layer transceiver that connects a Local Interconnect Network master or slave protocol controller to the physical vehicle bus. It supports data rates up to 20 kBd, is intended primarily for in-vehicle subnetworks, and is compliant with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and SAE J2602. The device is supplied in an 8-pin SO package designated 8-SO. A LIN transceiver is a low-speed automotive network interface that converts serial protocol-controller data into a shaped bus signal and converts received bus levels back into logic-compatible data. Within the vehicle-network hierarchy, the TJA1029T belongs to the LIN physical layer, below the LIN protocol controller and above the twisted-pair LIN bus. This division separates frame-level communication and fault management from the electrical interface to the bus. The TJA1029T converts the protocol controller's transmit data stream into an optimized bus signal intended to minimize electromagnetic emissions. Its internal LIN-bus output pull-up and its ability to operate as either a master or slave physical interface suit vehicle subnetwork nodes. The NXP datasheet identifies the TJA1029 as pin-compatible with the TJA1020, TJA1021, TJA1022, TJA1027, and MC33662(B), providing a documented basis for same-footprint replacement evaluation. The device is primarily designed for automotive LIN subnets operating at up to 20 kBd. Typical implementation places the transceiver beside a LIN-compatible microcontroller, connects TXD and RXD to the controller, and connects the LIN pin to the vehicle's LIN bus. In this arrangement, the microcontroller handles protocol frames, addressing, diagnostics, and higher-level vehicle functions, while the TJA1029T performs the physical signaling and bus-interface functions. Because LIN buses commonly operate in harsh automotive environments, the complete transceiver and module design must be validated for the intended voltage, temperature, ESD, emission, and immunity requirements. The supplied verified data does not state the complete electrical limits, thermal ratings, timeout options, or exact pin names, so those details must be confirmed in the manufacturer datasheet and the selected ordering variant before schematic release or PCB sign-off. The main engineering tradeoff is version-specific functionality. Ordering codes such as TJA1029T/20/1J and TJA1029T/2Z appear in distributor records, with the latter identified as including a TXD dominant timeout, but the supplied excerpts do not provide a complete variant matrix. Engineers should therefore match the exact base-device and timeout features required by the LIN controller, firmware, safety analysis, and production BOM rather than selecting only by connector or package. This page consolidates the verified manufacturer statements, distributor availability references, documented pin-compatible alternatives, package information, and practical selection guidance. It also separates verified facts from unprovided electrical details, helping engineers identify valid drop-in candidates while avoiding unsupported assumptions about pricing, pin assignments, lifecycle guarantees, or automotive qualification.

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TJA1029T/2Z

TJA1029T/2Z - 20 kBd LIN 2.2A Transceiver | NXP

The NXP Semiconductors TJA1029T/2Z is an automotive LIN physical-layer transceiver supporting bus speeds up to 20 kBd, LIN 2.0 through LIN 2.2A operation, and SAE J2602 compliance in an 8-pin SOIC package. It interfaces a LIN leader or follower protocol controller with the physical bus and adds a TXD dominant-timeout feature for systems requiring controlled transmitter behavior. A LIN transceiver is a physical-layer interface IC that combines a logic-level transmitter, receiver, bus-driver protection, and LIN bus termination functions. In the vehicle networking hierarchy, LIN connects low-cost nodes for body electronics and in-vehicle subnetworks, while the protocol controller manages frames and scheduling above the transceiver. The TJA1029 therefore bridges a digital controller and the wired LIN network rather than operating as a standalone bus controller. According to NXP product information, the device supports LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, and SAE J2602. Its principal purpose is in-vehicle subnetworks operating at up to 20 kBd. The verified distributor data identifies TJA1029T/2Z as a half-duplex LIN transceiver with TXD dominant timeout, which is useful where the host controller must avoid an indefinitely asserted transmit command. NXP states that TJA1029 is pin-compatible with the TJA1020, TJA1021, TJA1022, and TJA1027. That compatibility creates a controlled upgrade path within the same NXP interface family, although designers must still verify electrical limits, timing, fault behavior, package suffix, and production requirements for the specific replacement. The TJA1021T/20/C from the site MPN list is therefore an important family reference, not an automatically interchangeable part without checking its ordering code. Typical uses include LIN-controlled vehicle body modules, door and seat controllers, climate-control interfaces, lighting modules, sensor gateways, and other low-speed automotive subnetworks. The 20 kBd capability and LIN 2.2A/SAE J2602 positioning align it with established in-vehicle network architectures rather than high-speed body communication buses. The critical design check is the power and bus environment. Use the manufacturer datasheet for the exact VCC range, LIN transceiver operating limits, pin names, external termination, ESD requirements, and thermal limits before layout release. In particular, verify whether the selected SOIC footprint and pin mapping match the exact package variant being assembled.

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TJA1040T/CM

TJA1040T/CM - 1 MBaud CAN Transceiver | NXP

The NXP Semiconductors TJA1040T/CM is a high-speed CAN transceiver rated for operation up to 1 MBaud and supplied in an 8-pin SO package. It provides differential transmit capability to the physical CAN bus and differential receive capability to a CAN protocol controller, making it an interface between controller-area-network logic and vehicle or industrial bus wiring. A CAN transceiver is a physical-layer interface IC within the broader interface-IC hierarchy. It converts the controller’s digital logic signals into differential bus signaling and converts differential bus levels back into logic-compatible receive signals. The TJA1040 is intended primarily for high-speed passenger-car CAN networks, where robust differential signaling, standby control, and electromagnetic compatibility are important. The verified manufacturer information identifies differential transmission, differential reception, high-speed operation up to 1 MBaud, and standby-mode capability as principal device features. The distributor record identifies the TJA1040T/CM,118 ordering form as an 8-pin SO CAN-bus transceiver. Detailed electrical limits, loop-delay values, bus-fault behavior, and package dimensions were not supplied in the verified extract and therefore require confirmation from the manufacturer datasheet before design release. Typical uses include passenger-vehicle body and powertrain CAN networks, automotive control modules, CAN gateways, and industrial equipment that uses a 5 V CAN physical layer. The transceiver is intended to operate with a compatible CAN controller rather than as a standalone bus controller. Its differential bus interface supports robust communication over cable networks, while the standby function can reduce activity when the node is not communicating. Designers should preserve the pin assignment, supply decoupling, CANH/CANL routing, termination, and common-mode protection described by the manufacturer. The verified source set does not include the complete pinout, absolute maximum ratings, thermal data, or EMC test values, so those details must not be inferred. This page combines official NXP information with distributor records and explicitly marks unavailable parameters rather than estimating them. TJA1040T/CM is a legacy EoL-positioned part according to the supplied migration context. For new designs, engineers should compare it with current NXP or third-party CAN transceivers and verify pin, electrical, lifecycle, and qualification compatibility before treating any replacement as drop-in.

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TJA1042AT/0Z

TJA1042AT/0Z - 5Mbps High-Speed CAN Transceiver | NXP

The NXP TJA1042AT/0Z is a high-speed CAN bus transceiver with one transmitter and one receiver, a maximum data rate of 5 Mb/s, and an SOIC-8 surface-mount package. Its 4.5 V to 5.5 V supply range and -40°C to +150°C operating-temperature range make it appropriate for demanding industrial and automotive communication systems. The TJA1042AT/0Z also provides Standby-mode operation, including the bus-wake-up capability described for the TJA1042 family. A CAN transceiver is an interface IC that connects a CAN protocol controller, such as a microcontroller with an integrated CAN controller, to a physical two-wire CAN bus. The transceiver converts the controller's logic-level transmit command into a differential CANH/CANL bus signal and converts the differential bus voltage into a logic-level receive output. Within the product hierarchy, a CAN transceiver belongs to the interface IC class, the CAN interface subclass, and ultimately the broader semiconductor category. The TJA1042AT/0Z provides a data rate of up to 5 Mb/s, one CAN transmitter, one CAN receiver, and a specified operating supply current of 80 mA. Its 4.5 V minimum and 5.5 V maximum supply voltages support conventional 5 V automotive and industrial CAN systems. Standby mode helps reduce system consumption when the bus is inactive, while the family's bus-wake-up behavior supports systems that must detect remote bus activity. The family is designed for high-speed CAN applications in the automotive industry and includes differential transmit and receive capability between a CAN controller and a two-wire bus. NXP describes the TJA1042 as a third-generation high-speed CAN transceiver. Its SOIC-8 construction provides a conventional surface-mount option for PCBs requiring a small, widely supported package, although the actual exposed-pad and soldering details should be confirmed against the manufacturer package drawing. Typical uses include automotive body and powertrain control modules, industrial automation equipment, robotics controllers, building automation gateways, and other embedded systems that exchange data over a CAN bus. In these systems, the controller handles CAN frames and protocol timing, while the TJA1042AT/0Z handles the physical-layer differential signaling. Its 5 Mb/s capability accommodates high-speed CAN traffic, and its -40°C to +150°C specification supports wide environmental ranges. PCB design should preserve the transceiver's supply decoupling, ground connection, controller-interface traces, and CAN bus routing. Place the supply capacitor close to the device and keep the CANH and CANL route as a closely coupled differential pair. The bus conductors require suitable termination, protection, and common-mode considerations; exact resistor and capacitor values are application-dependent and are not specified by the verified source excerpts. This product record combines the verified NXP datasheet information with distributor availability, package details, temperature limits, supply limits, and a bulk pricing schedule as of 2026-10-28. It also distinguishes the TJA1042AT/0Z from related TJA1042 and modern TCAN transceiver options so engineers can assess PCB compatibility and functional differences before selecting a replacement.

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TJA1042T

TJA1042T - 1 Mbps High-Speed CAN Transceiver | NXP Semiconductors

Buy the NXP TJA1042T 1 Mbps high-speed CAN transceiver in an 8-pin SOIC with standby mode. Compare alternatives, verify pinout and lifecycle, and request current supply.

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TJA1042T/1J

TJA1042T/1J - High-Speed CAN Transceiver | NXP | Automotive

The NXP TJA1042T/1J is a high-speed CAN transceiver with standby mode, providing the physical-layer interface between a CAN protocol controller and a differential two-wire CAN bus. The device is packaged as an 8-pin SOIC and is identified by DigiKey as a 1/1 half CAN-bus transceiver. The verified NXP product page describes it as a high-speed CAN transceiver with standby mode, while the manufacturer datasheet states that it supplies differential transmit and receive capability for automotive CAN systems. A CAN transceiver is an interface IC that converts logic-level TXD and RXD signals into the dominant and recessive voltage levels carried by a CAN bus. It also places the bus-side driver and receiver between the controller and the physical network, helping the controller communicate over a robust multi-node differential bus. The TJA1042 family belongs to the broader CAN transceiver, communication interface, interface IC, and semiconductor hierarchy. The key verified feature set is high-speed CAN operation, differential transmit and receive, standby operation, 8-pin SOIC packaging, and automotive-oriented application positioning. The standby function is useful when a node must reduce activity while retaining the CAN interface. The exact maximum data rate, supply range, loop delay, bus fault behavior, thermal limits, and electrical thresholds are not present in the supplied verified excerpts, so those values must be confirmed from the complete manufacturer datasheet before design release. The TJA1042 is intended for automotive electronic control units, body controllers, powertrain controllers, gateway modules, instrument clusters, and other embedded systems that use a CAN protocol controller. In a typical circuit, the MCU CAN controller connects to TXD and RXD, while CANH and CANL connect to the external bus through the board's approved network interface and termination arrangement. The transceiver is the boundary between digital controller signaling and the differential physical bus. Designers should verify the exact NXP ordering code, supply voltage, transceiver mode timing, bus termination, common-mode environment, loop delay, and external-component recommendations against the complete TJA1042 datasheet. Because the supplied web data does not expose a complete pin-level table, pricing schedule, compliance declaration, or lifecycle statement, those items are marked as needing verification rather than inferred. The TJA1042T/1J is best evaluated by engineers who need a standby-capable, high-speed CAN physical-layer device in an SOIC footprint.

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TJA1042T/1U

TJA1042T/1U - High-Speed CAN Transceiver | NXP | SOIC-8

The NXP Semiconductors TJA1042T/1U is a high-speed CAN transceiver with standby mode, packaged in an 8-pin SOIC. It provides the physical-layer interface between a CAN protocol controller and a differential two-wire CAN bus. The device supports the transmit, receive, standby, split and bus-fault functions expected from a high-speed automotive CAN transceiver, while its SOIC-8 format supports conventional surface-mount PCB assembly. A CAN transceiver is an interface IC within the broader Controller Area Network hierarchy. It converts logic-level TXD and RXD signals from a CAN controller into the dominant and recessive differential levels carried by CANH and CANL. Conversely, it converts the differential bus voltage into a logic-compatible receive signal. This physical-layer function allows a microcontroller or dedicated CAN controller to communicate reliably with other nodes on a shared network. The TJA1042T/1U differentiates itself through its standby operating mode and split functionality. Standby mode lets the node reduce activity when it is not required to participate fully in bus communication. The split function is associated with stabilizing recessive bus behavior and can be important in systems containing more than one CAN node. NXP markets the TJA1042T family for high-speed CAN applications in the automotive industry. The TJA1042T/1U is identified as an NRND product on the official NXP product page. NRND means the product is not recommended for new designs, so engineers should evaluate the lifecycle position and any successor named by NXP before committing a new production platform to this MPN. Existing designs may still use the part, but procurement and long-term availability require confirmation from authorized distributors. Typical uses include distributed automotive control modules, body electronics, electric vehicle subsystems, industrial CAN gateways, sensor nodes and engine or transmission control units. The differential bus interface lets these systems exchange data reliably over distances and wiring arrangements that would be unsuitable for ordinary single-ended digital signaling. Local CAN-controller I/O voltage compatibility must also be checked during design review. PCB implementation requires care around the CANH and CANL connections. The two bus conductors should follow the impedance and routing guidance in the manufacturer datasheet, with a common-mode choke or split capacitor used only when the reference network requires it. Decoupling should be placed close to the supply pins, and unused device functions must be connected exactly as specified in the datasheet rather than according to generic transceiver schematics. This page consolidates the verified NXP product information, distributor package identification, sourcing context, lifecycle status and practical design guidance. It distinguishes documented facts from values that require confirmation from the current manufacturer datasheet, helping engineers evaluate the TJA1042T/1U without treating incomplete distributor snippets as complete electrical specifications.

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TJA1042T/3/1J

TJA1042T/3/1J - High-Speed CAN Transceiver w/ Standby, SOIC-8 | NXP

The NXP TJA1042T/3/1J is a high-speed Controller Area Network (CAN) transceiver providing the physical interface between a CAN protocol controller and a two-wire CAN bus, supplied in an 8-pin SOIC package with a maximum data rate of 1 Mbit/s. It operates from a 4.5 V to 5.5 V VCC supply and supports direct interfacing to microcontrollers with supply voltages as low as 3 V through a dedicated VIO pin (variant /3). The device features low-current Standby mode with bus wake-up capability and ideal passive behavior to the CAN bus when VCC is off. A CAN transceiver (also called a CAN bus transceiver or CAN physical layer device) is a protocol-bridge IC that converts the differential digital signaling on a CAN bus into the single-ended TX/RX logic levels expected by a microcontroller's CAN protocol controller. CAN transceivers sit one layer below the CAN data link layer in the OSI model and are essential for any automotive, industrial, or embedded system that communicates over the Controller Area Network standard (ISO 11898). Without a transceiver the MCU's CAN controller cannot drive or receive the bus. Key features include excellent electromagnetic compatibility (EMC) and electrostatic discharge (ESD) performance, an SPLIT-pin-free /3 variant with a VIO reference for 3.3 V MCUs, and pin compatibility with the classic TJA1040, PCA82C250, and PCA82C251. The transceiver supports bus wake-up patterns, thermal shutdown, a dominant time-out that prevents bus lockup if the controller fails, and an unpowered bus node that does not disturb the network. The TJA1042T/3/1J also provides a low-current Standby mode in which the bus is continuously monitored for wake-up frames. Internally the device uses a differential driver with slope control to minimize EMI, very-low-drop receiver comparators, and an integrated VIO reference that allows the logic I/O domain of the chip to match the host MCU's supply. Compared to its predecessor TJA1040, the TJA1042 reduces quiescent current, improves ESD to at least 6 kV HBM, and adds the VIO pin to decouple digital I/O levels from VCC for 3.3 V microcontrollers. Typical applications include automotive body and chassis ECUs, industrial CANopen and DeviceNet nodes, elevator controllers, building automation gateways, and any CAN node that must interface to a 3.3 V microcontroller without level shifters. The part is widely used as the physical-layer upgrade for designs that previously used TJA1040, PCA82C250, or PCA82C251. When designing with this part, place a 100 nF decoupling capacitor as close as possible to the VCC pin and a 100 nF cap on VIO; add a common-mode choke and split termination (60 ohm + 5.6 nF at each end) on bus lines operating above 500 kbit/s in noisy environments. Tie the STBY pin high for Normal mode and monitor CANH/CANL for short-to-ground or short-to-VCC conditions. The /3 variant replaces the SPLIT pin of the original TJA1042T with a VIO pin, so confirm that the PCB land pattern matches pin 5 = VIO. This page synthesizes distributor pricing, drop-in alternatives from the same TJA1042 family and competitor cross-references such as TCAN1042, plus practical design notes not found in the manufacturer datasheet.

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TJA1043AT/0Z

TJA1043AT/0Z - 5 Mbps CAN Transceiver | NXP | Automotive

The NXP TJA1043AT/0Z is a high-speed CAN transceiver supporting data rates up to 5 Mbps in a 14-pin SOIC package. It operates from a 4.5 V to 5.5 V supply and provides Normal, Sleep, and Standby operating modes for power-managed automotive and industrial CAN networks. The part is identified as an AEC-Q100 automotive-grade device and is supplied in tape-and-reel packaging. A CAN transceiver is the physical-layer interface between a host controller and a Controller Area Network bus. The CAN standard assigns the physical signaling, termination, dominant and recessive states, and bus fault behavior that allow nodes to communicate reliably over a wired network. A CAN interface IC therefore bridges digital controller signals and the differential CANH and CANL bus conductors. The TJA1043AT/0Z family is designed for high-speed communication while adding fail-safe and diagnostic capabilities intended to improve system reliability. Its supported modes give a host controller opportunities to reduce power use when communication is not required. The verified product data specifies 5 Mbps operation, a 4.5 V to 5.5 V DC operating range, Normal/Sleep/Standby modes, AEC-Q100 qualification, and a 14-pin SOIC package. The TJA1043 product family combines a CAN transmitter, CAN receiver, bus-driver enable control, and low-power management in one interface device. This integration reduces the number of discrete components required around a CAN controller and centralizes bus-domain behavior. Because CAN bus reliability depends on correct termination and layout, the transceiver remains only one element of the complete network design. Typical uses include automotive body and comfort modules, industrial automation equipment, engine controllers, gateways, sensors, and embedded control systems. A controller such as the site's ISO1500DBQ can provide an isolated interface layer, while the TJA1043AT/0Z handles the non-isolated physical CAN connection. Its 5 Mbps capability supports communication-intensive vehicle networks and industrial equipment. Designers should verify the complete pinout against the current NXP datasheet before layout because the supplied verified data confirms the 14-pin package but does not expose individual pin assignments. CANH and CANL routing also requires controlled impedance, a common-ground strategy, correct 120 ohm termination at the physical bus endpoints, and protection appropriate for the target environment. This product page consolidates current distributor availability, the confirmed electrical envelope, automotive qualification, packaging information, and practical interface-selection guidance. It also distinguishes verified drop-in candidates from broader functional alternatives so engineers can assess PCB reuse, power-mode behavior, and bus-system compatibility before committing to a replacement.

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TJA1043T

TJA1043T - High-Speed CAN Transceiver, 1Mbps, SO-14 | NXP

The NXP TJA1043T is a high-speed Controller Area Network (CAN) transceiver that provides the physical interface between a CAN protocol controller and a differential two-wire CAN bus, housed in a 14-pin SO (SOIC-14) package. It supports data rates up to 1 Mbps across the ISO 11898-2 / ISO 11898-5 compliant physical layer, and operates from a 5 V supply with very low standby and sleep-mode quiescent currents for ECU sleep-current budgets. The device provides differential transmit and receive capability and integrates dominant-timeout, bus-failure diagnostics, and thermal protection. A CAN transceiver (sometimes called a CAN physical layer or CAN PHY) is the analog interface between a digital CAN protocol controller (typically inside an MCU) and the differential CANH/CANL bus wires that carry data across a vehicle network. It belongs to the broader hierarchy of bus transceivers -> interface ICs -> wired communication ICs. Automotive ECUs (Electronic Control Units) require a certified transceiver that meets ISO 11898 EMC and ESD specifications; the TJA1043 family is a third-generation NXP design widely used in body, chassis, and powertrain CAN nodes. Key features include 1 Mbps maximum bit rate, ±8 kV HBM ESD on bus pins (per NXP datasheet figures), very low quiescent current in Sleep mode (typically a few microamps), an SPLIT pin for bus biasing when the bus is off, and three operating modes (Normal, Standby, Sleep) selectable via the EN and STBN pins. The IC operates across -40 °C to +125 °C ambient and is qualified to the automotive quality flow. Internally the TJA1043T uses a bipolar-CMOS-DMOS (BCD) process that combines 5 V analog drive strength on the bus with low-power digital logic. The receiver includes a wide common-mode range for excellent EMC immunity, and the transmitter incorporates slew-rate control to limit EMI on unshielded bus segments. Typical applications include automotive body control modules, gateway ECUs, chassis controllers, infotainment CAN nodes, and industrial CAN-FD ready nodes that need backward-compatible high-speed CAN. The wide common-mode range also makes it suitable for 12 V and 24 V battery systems in trucks and off-road equipment. When designing with this part, place a 100 nF decoupling capacitor close to VCC and respect the SPLIT-pin biasing network shown in the datasheet typical application. Verify bus termination (120 Ω at each end) and dominant-timeout behaviour when using a permanently dominant TXD input. This page synthesizes distributor pricing, drop-in alternative guidance, and practical design notes that complement the manufacturer datasheet and accelerate your component selection.

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TJA1043T-1J

TJA1043T-1J - High-Speed CAN Transceiver, 5Mbit/s | NXP

The NXP TJA1043T-1J is a third-generation high-speed Controller Area Network (CAN) transceiver providing the physical interface between a CAN protocol controller and a differential two-wire CAN bus, supporting data rates up to 5 Mbit/s in a 14-pin SOIC package. It features VIO supply pin for direct interfacing with 3.3V microcontrollers, SPLIT voltage output for bus biasing stabilization, dedicated wake-up input, standby control (STBN), and an enable pin. The part is qualified for automotive networks and conforms to ISO 11898-2:2024 high-speed CAN physical layer requirements. A CAN transceiver is an interface IC that translates single-ended logic-level TXD/RXD signals from a microcontroller into the differential voltage signaling required on the CANH and CANL bus wires, while simultaneously protecting the controller from bus-side ESD and EMC events. Within the broader hierarchy, the TJA1043 belongs to the class of bus transceivers (also called physical-layer devices or PHYs), which sit between the data-link-layer CAN controller and the physical CAN bus medium in an in-vehicle network. Key features include very low quiescent current consumption in standby and sleep modes, passive bus behavior when supply is off (no reverse current into the bus), integrated thermal shutdown, and bus-pin ESD protection up to ±8 kV HBM. The VIO pin allows the logic supply to be tied directly to a 3.3V microcontroller without level shifters, simplifying mixed-voltage ECU designs. Typical applications include automotive body and powertrain ECUs, gateway modules, ADAS sensor nodes, industrial CAN automation networks, and CAN-FD backbone segments where bus termination biasing and EMC robustness are critical. The SPLIT pin stabilizes the recessive bus common-mode voltage, especially important in networks with multiple unpowered nodes. When designing with this device, keep the SPLIT pin terminated through a capacitor to ground per the datasheet reference design, and ensure the VIO and VCC rails are sequenced correctly to avoid latch-up during cold-crank events in 12V automotive systems.

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TJA1043TK

TJA1043TK - High-Speed CAN Transceiver, HVSON-14 | NXP

The NXP TJA1043TK is a third-generation high-speed Controller Area Network (CAN) transceiver that provides the physical-layer interface between a CAN protocol controller and a two-wire differential CAN bus, housed in a 14-pin HVSON (3.0 mm x 4.5 mm) package. It supports data rates up to 1 Mbit/s, an operating supply range of 4.75 V to 5.25 V on VCC, and an I/O supply (VIO) of 2.8 V to 5.25 V for direct interfacing with 3.3 V and 5 V microcontrollers without level shifters. The device offers very low quiescent current in standby (~10 uA typical) and sleep (~10 uA typical) modes, making it well suited to permanently powered automotive ECUs that must respect <100 uA quiescent budgets. A Controller Area Network transceiver is the physical-layer bridge inside automotive and industrial networks that converts the digital transmit/receive signals of a microcontroller-side CAN controller into the differential voltages (dominant and recessive bus states) required by the ISO 11898-2/-5 CAN standard. It is the physical interface IC in the broader hierarchy: transceiver -> CAN interface -> automotive network IC -> semiconductor, with the TJA1043TK sitting alongside similar devices such as the NXP TJA1042, TJA1051, and the TI TCAN1043 series. Key features include an integrated low-dropout regulator (LDO) that powers the bus-side circuitry from the battery rail, advanced EMC/ESD performance compliant with IEC 61000-4-2 and IEC 61967-4 automotive EMI requirements, bus pins tolerant to -27 V to +40 V (CANH/CANL), and support for local and remote wake-up with wake-up source recognition via the WK and WUP outputs. Functional modes - Normal, Standby, Sleep, Go-To-Sleep, and Power-On - are managed through the EN, STBN, and VBAT pins, allowing deterministic node power management across the vehicle network. Typical applications include automotive body-control modules (BCMs), gateway ECUs, infotainment domain controllers, powertrain ECUs, industrial CANopen networks, and telematics control units. The device supports both 12 V and 24 V battery systems, satisfying automotive OEM requirements for cold-crank and load-dump transients defined by ISO 7637-2. When designing with this part, keep the bus termination (typically 120 ohm split termination with common-mode capacitors) close to the CANH/CANL pins, and route the bus traces as a matched 100 ohm differential pair on the inner PCB layers. Use a 100 nF ceramic decoupling capacitor on VCC and VIO placed within 2 mm of the respective pins. The VIO pin allows direct 3.3 V logic connection, eliminating the need for an external level shifter on most modern 32-bit microcontrollers.

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TJA1043TK/1Y

TJA1043TK/1Y - High-Speed CAN Transceiver, 1Mbps, 14-HVSON | NXP

The NXP TJA1043TK/1Y is a high-speed Controller Area Network (CAN) transceiver providing an interface between a CAN protocol controller and the physical two-wire CAN bus, supporting data rates up to 1 Mbps in a 14-pin HVSON (3x4.5 mm) package. It operates from a 4.5V to 5.5V supply, includes power-down, standby, and sleep modes, and features a low-power standby mode with bus wake-up capability for ISO 11898-5 compliant networks. A CAN transceiver is a physical-layer interface IC that converts the digital transmit (TXD) and receive (RXD) signals from a CAN protocol controller into the differential CANH/CANL bus voltages defined by ISO 11898-2, while also providing ESD protection and common-mode rejection. As a category, CAN transceivers sit below CAN protocol controllers in the in-vehicle networking (IVN) hierarchy and are essential building blocks for CAN, CAN FD, and partial networking systems in automotive body, chassis, and powertrain ECUs. The TJA1043TK/1Y integrates diagnostic features including bus failure detection (open, short to battery, short to VCC, and CANH/CANL short) and supplies a SPLIT output that stabilizes recessive bus voltage when the bus is DC-loaded. It offers ±8 kV ESD contact discharge on the bus pins per IEC 61000-4-2 and is qualified per AEC-Q100 Grade 1 for automotive environments. The HVSON-14 package with exposed pad provides low thermal resistance, suitable for under-hood and body-control module placements. The architecture is based on a bipolar-CMOS-DMOS (BCD) process, combining low standby current (typ. <15 uA in sleep mode) with high bus-driver output swing. Integrated non-volatile trimming of bus dominant/recessive thresholds ensures bit-timing symmetry for high-speed CAN networks up to 1 Mbps. Typical applications include automotive body control modules, gateway ECUs, powertrain controllers, chassis electronics, and CAN gateways. It is also used in industrial CAN networks, agricultural machinery CAN buses, and in heavy-duty vehicle multiplexing systems where AEC-Q100 reliability is required. When designing with the TJA1043TK/1Y, place the VBAT/5V supply decoupling capacitor (typically 100 nF) within 2 mm of the VCC pin and ensure the exposed pad is soldered to a continuous ground copper plane for thermal dissipation. For low-EMI operation, the SPLIT pin must be biased through a 10 nF capacitor. This page synthesizes distributor pricing (as of 2026-10-11), drop-in alternatives sourced from the NXP TJA1043 family, and practical design notes not found in the manufacturer short datasheet.

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TJA1043TKY

TJA1043TKY - 5 Mbps CAN Transceiver | NXP | Automotive

NXP Semiconductors TJA1043TKY is a high-speed CAN transceiver for automotive networking, providing one CANbus transceiver with differential transmit and receive capability for a protocol controller. The verified distributor data identifies a maximum data rate of 5 Mbps, a 5 V supply, normal, sleep, and standby operating modes, AEC-Q100 qualification, and a 14-pin HVSON package measuring 3 x 4.5 mm. It interfaces a Controller Area Network protocol controller with the physical two-wire CAN bus. A Controller Area Network transceiver is a physical-layer interface within the CAN network hierarchy. A CAN protocol controller generates and interprets framed messages, while the transceiver converts those digital controller signals into differential bus levels and converts received bus levels back into controller-compatible signals. This division keeps protocol handling and physical-layer signaling separate, allowing a microcontroller-based CAN controller to communicate over a differential, fault-tolerant vehicle network. The TJA1043TKY supports high-speed CAN communication up to 5 Mbps and includes standby and sleep modes for reduced power use when communication is not continuously required. Normal mode supports active bus communication, while the low-power modes help manage operating current in parked or partially active vehicle systems. The part is identified by distributor listings as automotive-grade and AEC-Q100 qualified. Its small HVSON package supports compact electronic control-unit layouts, although exposed-pad layout and thermal management must follow the NXP datasheet. The transceiver provides the required interface between a CAN protocol controller and the physical two-wire CAN bus. Differential signaling improves common-mode rejection on vehicle networks, while the transceiver handles the electrical relationship between controller-side TXD and RXD signals and bus-side CANH and CANL conductors. Because these signals interact with wiring, termination, protection, and electromagnetic compatibility requirements, PCB layout and cable routing remain as important as controller firmware. Typical uses include automotive body-control modules, powertrain controllers, gateway units, comfort systems, engine controllers, and industrial CAN equipment connected to vehicle-grade electronics. The verified data specifically associates the device with 5 Mbps CAN, 5 V operation, low-power sleep and standby states, and automotive qualification. It is suitable when an existing design uses the 14-HVSON footprint and its exact pin functions and exposed-pad requirements. A critical design step is to reproduce the manufacturer-recommended package land pattern, pin assignments, CAN bus routing, termination, and decoupling exactly from the datasheet. Do not infer exposed-pad connections or bus-component values from the distributor summaries. Before release, validate timing, bus loading, fault behavior, sleep current, EMC performance, and wake behavior across temperature and supply tolerances using the complete manufacturer documentation. This page combines verified distributor specifications, official NXP documentation, application guidance, and drop-in-replacement constraints. It also identifies where detailed pin-level, electrical-limit, lifecycle, price, and certification information requires direct verification from the manufacturer datasheet or current distributor quotation.

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TJA1044GT

TJA1044GT - High-Speed CAN Transceiver, SO-8 | NXP

The NXP Semiconductors TJA1044GT is a high-speed Controller Area Network (CAN) transceiver with Standby mode, providing the physical interface between a CAN protocol controller and the differential two-wire CAN bus. It is housed in an 8-pin SO (SOIC-8) package, supports data rates up to 5 Mbps for CAN FD, and is qualified to AEC-Q100 Grade 1 for automotive body and safety applications. A CAN transceiver is a physical-layer (PHY) device that translates the digital transmit/receive logic signals from a microcontroller or CAN protocol controller into the differential voltage levels defined by ISO 11898-1 for the CAN bus. Within the broader hierarchy, a CAN transceiver sits between the data-link layer (handled by the protocol controller) and the physical differential bus; in an in-vehicle networking stack it is part of the in-vehicle communication (IVN) physical layer alongside LIN, FlexRay and Ethernet PHYs. Key features include very low standby current (typical 5 uA) for always-on automotive networks, an autonomous standby/sleep mode that wakes the device when bus activity is detected, excellent EMC performance optimized for automotive bus nodes, and full ISO 11898-2 (and ISO 11898-5 for the low-power variant) compliance. The Mantis family architecture used across the TJA1044 family provides tight parametric matching between variants, simplifying multi-rail ECU designs. The TJA1044GT is part of NXP's Mantis CAN transceiver family and is widely used as a drop-in replacement or alternate for the legacy TJA1050/TJA1040 in next-generation ECUs. The 8-pin SO (SOIC-8) footprint with industry-standard pinout (TXD, GND, VCC, RXD, VIO/n.c., CANH, CANL, STB) allows easy migration from older TJA1040/TJA1050 designs to modern CAN FD networks. The part operates from a single 4.75V to 5.25V supply on VCC. Typical applications include automotive body-control modules (BCMs), gateway ECUs, infotainment and cluster CAN nodes, chassis and powertrain CAN nodes requiring low quiescent current, and industrial CAN networks. The selective wake-up capability also suits CAN-based partial networking where the ECU must remain in low-power while monitoring the bus for a wake frame. When designing with the TJA1044GT, place a 100 nF decoupling capacitor close to VCC (pin 5 on the GT variant, which has no VIO pin) and ensure the split-termination (typically 60 ohm with two 30 ohm resistors and a 4.7 nF capacitor to ground) is correctly placed for proper recessive-level biasing. The STB pin must be tied to logic-low for Normal operation. This page synthesizes distributor stock and pricing, drop-in TJA1044 family alternatives, and practical EMC/PCB layout notes that are not compiled in a single place in the manufacturer datasheet.

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TJA1044GT-3Z

TJA1044GT-3Z - High-Speed CAN Transceiver with Standby Mode | NXP

The NXP TJA1044GT-3Z is a high-speed Controller Area Network (CAN) transceiver with Standby mode, housed in an 8-pin SO (SOIC-8) package, designed to interface a CAN protocol controller with the physical two-wire CAN bus. It belongs to the Mantis family of high-speed CAN transceivers from NXP Semiconductors, providing differential transmit and receive capability between a microcontroller and the CAN bus. The device operates from a 4.75V to 51V supply range and supports data rates up to 1 Mbit/s per ISO 11898-2, including CAN FD (Flexible Data-rate) frames in the arbitration phase. A CAN transceiver is a physical-layer (PHY) interface IC that bridges the digital logic domain of a CAN protocol controller (typically embedded in a microcontroller) and the differential voltage-domain wire bus. In the broader IC hierarchy, a CAN transceiver belongs to the Interface IC category, which also includes LIN transceivers, RS-485/RS-232 transceivers, and I2C/SMBus repeaters; together these form the connectivity layer of an automotive or industrial electronic control unit (ECU). The TJA1044GT-3Z additionally integrates an autonomous standby mode and a STB pin for selective wake-up, enabling low-quiescent-current operation in always-on automotive body-network ECUs. Key features of the TJA1044GT-3Z include ultra-low power consumption in standby mode, very low electromagnetic emission (EME), high electromagnetic immunity (EMI), and integrated TXD dominant-timeout protection. According to the manufacturer datasheet, the transceiver is designed for high-speed CAN applications in the automotive industry and provides differential transmit and receive capability between a microcontroller and a CAN bus. It supports both 3.3 V and 5 V microcontrollers when used in the proper VIO configuration (variant -3 has the VIO supply pin). The TJA1044GT-3Z uses a bipolar process with integrated ESD protection on the bus pins (typically ±8 kV HBM, ±6 kV IEC 61000-4-2 contact discharge per the datasheet). The architecture separates the transmit data path (TXD) from the receive data path (RXD) and includes slope control to limit the slew rate of the CANH/CANL edges, reducing radio-frequency emissions. The standby mode reduces current consumption dramatically so the ECU can satisfy automotive quiescent-current budgets when the ignition is off but the network must remain wake-capable. Typical applications include automotive body and comfort networks (door modules, seat controllers, mirror modules), powertrain ECUs (where CAN FD is required for sensor aggregation), chassis and safety CAN nodes, industrial CAN gateways, and CAN-bus diagnostic interfaces. The wide supply range (down to 4.75 V and tolerant to load-dump events up to 51 V) makes the TJA1044 directly compatible with 12 V automotive battery rails without external protection components. When designing with the TJA1044GT-3Z, place a 100 nF decoupling capacitor on VCC as close as possible to the pin, and follow the datasheet's recommendations on CAN bus termination (typically 120 ohm at each end of the bus). Do not leave the STB pin floating; tie it to GND for normal operation or to the microcontroller for wake/sleep control. Always respect the maximum bus voltage rating, especially in 24 V truck systems where the load-dump transient can exceed 51 V if the suppression is inadequate. This content combines datasheet values, cross-reference data, and practical design guidance not collated on any single distributor page.

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TJA1044GT/1Z

TJA1044GT/1Z - High-Speed CAN Transceiver | NXP Semiconductors

The NXP Semiconductors TJA1044GT/1Z is a high-speed Controller Area Network transceiver with standby mode, selective wake-up capability, and autonomous standby operation. It is packaged as an 8-pin SO device and is designed to interface a CAN protocol controller with a physical two-wire CAN bus. The device is positioned for automotive body and safety applications requiring differential CAN transmit and receive functions. Its core role is to convert digital TXD and RXD signaling between a host controller and the differential CANH and CANL bus conductors while supporting low-power network management. A CAN transceiver is an interface IC within the broader physical-layer network-device hierarchy. A CAN controller processes messages and protocols, while the transceiver connects that controller to the physical bus through differential transmit and receive paths. NXP describes the TJA1044 as part of the Mantis family of high-speed CAN transceivers, designed for 12 V automotive applications and optimized around electromagnetic compatibility performance. The supplied manufacturer information identifies several functional attributes. Selective wake-up allows the device to react to recognized CAN activity instead of requiring continuous full-power operation. Standby mode provides a controlled low-power state, while autonomous standby operation allows the transceiver to manage its own power-related behavior. The 8-SO package supports compact surface-mount implementation. The manufacturer also identifies differential transmit and receive capability, enabling communication with a CAN controller over the automotive two-wire network. Operationally, the TJA1044 belongs to a high-speed CAN physical-layer product family rather than a protocol controller or bus arbitration device. It does not independently generate CAN frames; instead, it provides the electrical interface between logic-level controller signals and the differential bus. This separation allows the same host microcontroller or dedicated CAN controller to handle frame construction, arbitration, error management, and higher-level diagnostics while the transceiver manages bus-level electrical signaling. Typical uses include automotive body controllers, body-domain modules, comfort systems, safety-related electronic modules, gateway interfaces, and distributed vehicle networks. It is also relevant to industrial CAN equipment that needs a compact high-speed bus interface and a transceiver designed specifically for 12 V automotive electrical environments. In a complete design, the TJA1044 is paired with a host processor or CAN controller, bus termination, transceiver supply decoupling, and a CANH/CANL physical network. A key design consideration is the distinction between a same-footprint alternative and a truly validated replacement. Ordering-code variants and devices from other manufacturers can share an SOIC-8 footprint while differing in VIO support, supply range, standby behavior, temperature grade, EMC performance, or wake-up logic. Engineers should compare the complete NXP datasheet, PCB footprint, exposed-pad requirements, transceiver mode inputs, bus fault behavior, and firmware assumptions before substituting a component. This page consolidates manufacturer positioning, distributor records, verified source links, strict drop-in candidate information, and application-oriented design guidance. It also identifies where electrical ratings, pricing, lifecycle status, and package details require confirmation rather than presenting unsupported assumptions as product facts.

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TJA1044GTJ

TJA1044GTJ - 5Mbps CAN Transceiver, 8-SOIC | NXP

The NXP Semiconductors TJA1044GTJ is a high-speed CAN transceiver with standby mode, providing one transmitter and one receiver for a two-wire Controller Area Network bus. It supports a data rate of 5 Mbps and a 4.75 V to 5.25 V supply range in an 8-pin SOIC surface-mount package. The transceiver includes a 300 mV receiver hysteresis and is intended to connect a CAN protocol controller to the physical CAN network. A CAN transceiver is the physical-layer interface within a Controller Area Network system. The protocol controller creates and interprets CAN frames, while the transceiver converts those digital signals into differential bus levels and converts received bus levels back into controller-compatible logic. CAN transceivers therefore belong to the hierarchy of interface IC, communications transceiver, CAN interface, and semiconductor. Verified device data identifies the TJA1044GTJ as a one-driver, one-receiver, half-duplex 5 Mbps CAN interface with standby mode. Its 8-SOIC package supports automated surface-mount assembly, while the 300 mV receiver hysteresis provides noise margin around the receiver switching threshold. The 4.75 V to 5.25 V supply range permits use with conventional regulated 5 V digital systems. The TJA1044 belongs to NXP's Mantis high-speed CAN transceiver family and targets automotive networking. Its CANH and CANL bus-side interface must operate with the protection, termination, routing, and common-mode strategy required by the target vehicle network. Standby mode provides a means to reduce participation when the node does not require normal bus operation, but the system designer must confirm all wake-up behavior from the complete manufacturer documentation. Typical uses include body-control modules, automotive comfort systems, powertrain-adjacent controllers, gateway nodes, and industrial CAN equipment connected to 5 V logic. A CAN controller, crystal or clock source, decoupling network, bus termination, and connector are normally placed around the transceiver according to the reference design and system requirements. Design care should focus on bus-layout symmetry, short ground returns, correct split termination, compliant common-mode protection, and validation of standby-state timing. The CAN wires should not be routed as ordinary unprotected low-speed signals because fast edges and faults can exceed expectations outside the transceiver operating envelope. This page consolidates verified manufacturer and distributor information, separates known TJA1044GTJ characteristics from missing data, and evaluates candidate replacements conservatively. It is intended to add sourcing context and design guidance without presenting unsupported electrical limits or unverified cross-brand pin compatibility as fact.

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TJA1044GTKZ

TJA1044GTKZ - High-Speed CAN Transceiver, 5Mbps, HVSON-8 | NXP

The NXP TJA1044GTKZ is a high-speed Controller Area Network (CAN) transceiver from the Mantis family, providing the physical interface between a CAN protocol controller and the two-wire CAN bus, packaged in an 8-pin HVSON (3mm x 3mm) with an exposed thermal pad. It supports data rates up to 5 Mbps in CAN FD (Flexible Data-rate) networks and features a low-power Standby mode for quiescent current reduction when the bus is idle. A CAN transceiver is a physical-layer device that converts the digital transmit/receive signals of a CAN controller into the differential voltage levels required by the CAN bus standard (ISO 11898-2:2016). As a member of the high-speed CAN transceiver category, the TJA1044 sits at the bottom of the in-vehicle networking hierarchy: microcontroller -> CAN controller (typically integrated in the MCU) -> CAN transceiver (TJA1044) -> differential CAN bus. It is foundational to automotive and industrial communication networks where reliable, deterministic messaging is critical. Key features include a very low-current Standby mode with remote wake-up via a wake-up pattern (WUP) recognition per ISO 11898-2:2016, bus-fault detection and protection against -27 V to +40 V automotive transients, thermal shutdown, and an undervoltage detector on VCC and VIO. The transceiver operates from a single 5 V supply (VCC), with a separate VIO pin for direct interfacing to 3.3 V or 5 V microcontrollers without level shifters. The TJA1044 uses a fully ISO 11898-2:2016 compliant driver and receiver with dominant-timeout protection to prevent a faulty controller from permanently clamping the bus. The integrated slope-control function (via the STB/NRM pin) and low Electromagnetic Emission (EME) design simplify EMC compliance in dense automotive modules. The exposed thermal pad (EP) of the HVSON-8 package is essential for dissipating heat during sustained dominant transmission, ensuring reliable operation across the -40 C to +150 C automotive Grade-1 temperature range. Typical applications include body control modules, gateway ECUs, powertrain ECUs, battery management systems (BMS), ADAS sensor ECUs, industrial CAN nodes, and telematics control units. Its 5 Mbps capability makes it suitable for CAN FD networks carrying larger payload data, while Standby mode enables CAN partial networking for ECUs that must wake only on recognized WUP messages. When designing with the TJA1044, terminate the bus with a 120 ohm split-terminator network (RT = 60 ohm + 60 ohm + 4.7 nF common-mode cap) rather than a single 120 ohm resistor, which improves EMI/ESD immunity and DC stability. Place a 100 nF decoupling capacitor close to VCC and ensure the exposed pad is soldered to a sufficient copper pour for thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives, comparison parameters and practical design notes not found in the standalone datasheet PDF, giving a one-stop reference for component selection.

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