TJA1051AT/3/0Z - 5 Mbps CAN Transceiver | NXP
Артикул: TJA1051AT/3/0Z ✓ АктивенTJA1051AT/3/0Z Обзор
A CAN transceiver is an interface IC within the broader automotive communication hierarchy. It converts logic-level TXD and RXD signals from a CAN controller into the balanced differential signaling used by a Controller Area Network bus. The differential bus interface improves common-mode rejection, while the transceiver's physical-layer circuitry connects controller-level data communication to CANH and CANL conductors. The TJA1051 therefore belongs to the CAN transceiver, interface IC, automotive communication, and semiconductor product categories.
The TJA1051 family is intended for high-speed CAN networks in automotive environments. According to NXP, the third-generation TJA1051 delivers differential transmit and receive capability while providing enhanced electromagnetic compatibility and electrostatic-discharge protection. These characteristics are important in vehicle systems where cable harnesses, switching power converters, motors, and long interconnect paths can introduce noise and transients into the communication bus.
The TJA1051AT/3/0Z supports data rates up to 5 Mbps and uses a 5 V automotive CAN interface. Its normal mode provides active bus communication, while silent mode allows the controller-side receive path to monitor bus activity without driving the bus. This feature supports diagnostic and monitoring workflows where a node may need to observe CAN traffic without introducing a dominant output state.
Typical installations include body-control modules, powertrain controllers, electric-vehicle subsystems, gateway units, engine-management electronics, and automotive sensor nodes. In these systems, the CAN controller generates serial TXD data, the TJA1051 converts it into CANH and CANL differential signals, and the receiver converts incoming bus states into RXD for the controller.
PCB implementation requires careful connection of supply and ground pins, short CANH and CANL routes, and a suitable termination strategy at each end of the bus. Power and ground pins should be decoupled close to the device, while the bus pins should connect through the application's protection and filtering network. The manufacturer datasheet should be used to confirm the exact pin assignments, electrical limits, recommended application circuit, and transceiver I/O characteristics for the SOIC-8 variant.
This product page combines the NXP manufacturer description, distributor package and ordering information, and cross-reference results into an engineering-focused selection resource. It highlights the 5 Mbps, 5 V, single-driver, single-receiver, normal/silent-mode, automotive, AEC-Q100, and 8-pin SOIC attributes, while also identifying SOIC-8 drop-in candidates and the checks required before replacing a transceiver in a safety-relevant vehicle network.
Аналоги без доработки для TJA1051AT/3/0Z — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с TJA1051AT/3/0Z (тот же форм-фактор и посадочное место) — отличается по Package, Function, Operating Temperature, Data Rate, Duplex.
TJA1051T/3/1
✅ Прямая замена✓ В наличии
$0.4102 / шт.
Открыть даташит →TJA1051T/3,118
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
NCV7342
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TLE9251V
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TCAN1042VDRQ1
✅ Прямая замена✗ Нет в наличии
$0.33923 / шт.
Открыть даташит →TCAN1051HVDQ1
✅ Прямая замена✗ Нет в наличии
$1 / шт.
Открыть даташит →TJA1051AT/3/0Z Характеристики
| Product Type | High-speed CAN transceiver |
| CAN Data Rate | 5 Mbps |
| Напряжение питания | 5 V |
| Number of Drivers | 1 driver |
| Number of Receivers | 1 receiver |
| Bus Interface | Differential two-wire CAN bus |
| Operating Mode | Normal and silent modes |
| Protocol Support | Controller Area Network (CAN) |
| Application | Automotive high-speed CAN |
| Automotive Qualification | AEC-Q100 |
| Корпус | 8-pin SOIC |
| Способ монтажа | Surface-mount |
| Transceiver Type | 1/1 CAN transceiver |
| EMI Performance | Enhanced electromagnetic compatibility |
| ESD Protection | Enhanced electrostatic-discharge protection |
| Статус RoHS | Compliant |
| REACH Status | Compliant |
Конфигурация выводов TJA1051AT/3/0Z
| Контакт 1 | TXD — Transmitter data input from the CAN controller |
| Контакт 2 | GND — Ground connection |
| Контакт 3 | VIO — Controller-side supply or interface reference |
| Контакт 4 | RXD — Receiver data output to the CAN controller |
| Контакт 5 | VIO — Controller-side supply or interface reference |
| Контакт 6 | GND — Ground connection |
| Контакт 7 | CANL — Negative differential CAN bus line |
| Контакт 8 | CANH — Positive differential CAN bus line |
Типичное применение
TJA1051AT/3/0Z подходит для 6 применениеs: Automotive Body Control Module, Electric Vehicle Powertrain Controller, Automotive Gateway ECU, Engine Management Electronics, Industrial CAN Control Module, CAN Bus Diagnostic Interface.
Automotive Body Control Module
The TJA1051AT/3/0Z fits body-control modules that exchange commands and sensor status over a conventional high-speed CAN network. Its 5 Mbps maximum data rate supports responsive body, lighting, door, and climate-control traffic, while the single differential driver and receiver connect a CAN controller to the physical bus. The 8-pin SOIC package simplifies placement in compact automotive controller boards. NXP identifies enhanced electromagnetic compatibility and ESD protection as important for vehicle environments, where harnesses and adjacent switching circuits can disturb the bus.
Рекомендуется
Electric Vehicle Powertrain Controller
TJA1051AT/3/0Z is appropriate for battery-management, inverter-control, and vehicle-controller nodes that use high-speed CAN rather than CAN FD. The transceiver's 5 Mbps capability provides sufficient bandwidth for coordination data, fault reports, and operating-state messages in distributed vehicle networks. Differential signaling supports noise-tolerant communication over harness wiring, while the 5 V supply matches conventional automotive controller environments. Its AEC-Q100-associated ordering variant and manufacturer automotive qualification make it more appropriate for vehicle applications than an unverified generic CAN interface.
Рекомендуется
Automotive Gateway ECU
The TJA1051AT/3/0Z can serve as the high-speed CAN physical-layer interface in a gateway that exchanges network traffic between vehicle domains. At 5 Mbps, it supports the conventional CAN rate used by many body, chassis, and powertrain nodes. The controller-side TXD and RXD functions isolate protocol processing from the protected two-wire bus, and the SOIC-8 format permits straightforward routing into automotive PCB assemblies. Designers should implement the protection network and termination shown in the NXP application guidance, particularly where gateway connectors expose the transceiver to external transients.
Рекомендуется
Engine Management Electronics
TJA1051AT/3/0Z suits engine-management and powertrain electronics requiring dependable communication between a controller and sensors, actuators, or other ECUs. The device supports conventional CAN communication up to 5 Mbps, enabling rapid exchange of combustion, torque, temperature, and diagnostic information. Differential transmit and receive reduces susceptibility to common electrical noise present around motors and ignition systems. The 5 V automotive supply class and qualified package variant align with vehicle electronics, while robust bus protection and correct grounding remain mandatory for long harness runs.
Рекомендуется
Industrial CAN Control Module
The TJA1051AT/3/0Z can also serve industrial machinery, test equipment, and remote-control modules that use standard high-speed CAN rather than CAN FD. Its 5 Mbps rate supports real-time command and telemetry traffic, while normal and silent modes support both active communications and passive monitoring. The 8-pin SOIC package is compatible with standard surface-mount assembly and compact controller layouts. In non-automotive installations, engineers should still validate EMC performance, bus fault handling, temperature range, and protection requirements against the complete system specification.
Рекомендуется
CAN Bus Diagnostic Interface
The TJA1051AT/3/0Z is useful in a diagnostic or monitoring adapter that needs access to automotive CAN traffic. Silent mode permits the receive path to observe bus states without the transceiver actively driving the network, reducing unwanted disturbance during passive analysis. A CAN controller can then decode messages through the RXD output while diagnostic commands are transmitted through TXD. The 5 Mbps capability covers the target high-speed CAN network, and the SOIC-8 package supports compact interface hardware. Protection, galvanic-isolation strategy, and bus termination should be selected for the intended diagnostic connection.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TJA1051AT/3/0Z — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | TJA1051T/3 | TJA1051T/3,118 | NCV7342 | TLE9251V | TCAN1042 |
|---|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 - same package | SOIC-8 - same package | SOIC-8 - same package | SOIC-8 - same package | SOIC-8 - same package |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | onsemi | Infineon Technologies | Texas Instruments |
| Product Type | High-speed CAN transceiver | High-speed CAN transceiver | High-speed CAN transceiver | Automotive CAN transceiver | Automotive CAN transceiver | 5 V CAN transceiver |
| Bus Interface | Differential two-wire CAN | Differential two-wire CAN | Differential two-wire CAN | Differential CAN bus | Differential CAN bus | Differential CAN bus |
Ключевые отличия
- Same-family NXP drop-in pathway (против TJA1051T/3)
- Established automotive high-speed CAN positioning (против TCAN1042)
- Differential high-speed bus capability (против NCV7342)
Заметки по проектированию
Place the TJA1051 close to the CAN connector or bus-protection network, and route CANH and CANL as a short, tightly coupled differential pair. Avoid routing these nets beneath switching-power nodes, motor-drive stages, or discontinuous ground regions. Keep the CANH and CANL path geometry consistent to minimize radiated emissions and avoid introducing impedance discontinuities that could distort edge rates at the supported 5 Mbps operating speed.
Connect supply-decoupling capacitance directly between the transceiver supply and ground pins, using the shortest possible traces. Follow the NXP recommended application circuit for the exact capacitor values and pin connections. Provide a solid ground plane and return path beneath the device, and place any external protection or filter components close to the bus pins so that surge energy is diverted before reaching the transceiver.
Do not assume that matching SOIC-8 dimensions guarantees a drop-in replacement. Verify TXD and RXD orientation, supply and ground positions, controller-side logic levels, silent or standby behavior, bus fault detection, receive thresholds, ESD rating, and automotive qualification. The TJA1051T/3 same-family candidate is the preferred starting point, but a cross-brand alternative requires a complete pin- and electrical-level review before design release.
Информация о соответствии
The Arrow product description identifies the TJA1051AT/3/0Z as AEC-Q100 automotive qualified. The cross-reference comparison identifies RoHS and REACH compliance for the compared TJA1051 devices.