TJA1057GTJ - High-Speed CAN Transceiver, 1Mbps, 8-SO | NXP
Артикул: TJA1057GTJ ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.42 | $1,42 |
| 10 | $1.18 | $11,80 |
| 100 | $0.99 | $99,00 |
| 500 | $0.84 | $420,00 |
| 1.000 | $0.71 | $710,00 |
TJA1057GTJ Обзор
A CAN transceiver is the physical-layer (PHY) bridge between a digital CAN protocol controller (typically integrated into a microcontroller) and the differential CAN bus wiring in a vehicle or industrial network. Transceivers convert the controller's TX/RX logic-level signals into the ISO 11898-2 compliant differential bus levels, and they protect the controller from bus-level transients. The TJA1057GTJ belongs to NXP's Mantis family, which improved on the predecessor TJA1051/TJA1042 series by offering lower electromagnetic emissions and higher ESD robustness while maintaining pin compatibility.
Key specifications include: 1 Mbit/s maximum data rate, 4.75 V to 5.25 V supply range, low-current standby mode, ISO 11898-2 conformance, bus pin ESD robustness of ±8 kV HBM (typical), and integrated thermal protection. The device is optimized for 12 V automotive systems and supports both normal and standby operation modes. The SOIC-8 package offers a standard 3.9 mm body width suitable for reflow soldering in automotive PCB assemblies.
Architecturally, the TJA1057 uses a silicon-on-insulator process node that allows the bus pins (CANH, CANL) to survive load-dump transients up to ±42 V typical without external protection, while maintaining low quiescent current in standby mode. The device includes slope control for reduced EMI, dominant-timeout protection, and a bus-dominant detection feature that prevents the controller from being locked in a dominant state if a wiring fault occurs.
Typical applications include automotive body and powertrain CAN nodes, industrial CANopen networks, gateway ECUs, and any 5 V microcontroller-based system requiring an ISO 11898-2 compliant physical layer. It is widely used in BMS modules, HVAC controllers, instrument clusters, and ADAS sensor nodes where reliable high-speed differential communication is required.
When designing with the TJA1057GTJ, place a 100 nF decoupling capacitor close to pin 8 (VCC) and respect the bus termination scheme (typically 120 Ω at each end of the CAN bus segment). The standby pin (STB) should be tied to GND through a pull-down or controlled by the host MCU; a high level puts the part into low-power standby with the bus monitor still functional.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including cross-references to TJA1057 family members and other 8-pin high-speed CAN transceivers.
Аналоги без доработки для TJA1057GTJ — 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 TJA1057GTJ (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Package, Supply Voltage (VCC), Bus Fault Protection, MSL Level.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
TJA1057GT/3
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TJA1057GT/3J
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TJA1057BT/3
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
TJA1051T/3/1
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$0.4102 / шт.
Открыть даташит →TCAN1044DRQ1
✅ Прямая замена✓ В наличии
$0.62 / шт.
Открыть даташит →SIT1044T
✅ Прямая замена✓ В наличии
$0.16 / шт.
Открыть даташит →TJA1057GTJ Характеристики
| Функция | High-speed CAN transceiver |
| Скорость передачи данных | Up to 1 Mbit/s |
| Number of Drivers/Receivers | 1/1 |
| Protocol | ISO 11898-2 (CAN, CAN FD) |
| Supply Voltage (VCC) | 4.75 V to 5.25 V |
| Рабочая температура | -40 °C to +150 °C |
| Корпус | 8-SO (SOIC-8, 3.9 mm body) |
| Тип монтажа | Surface Mount |
| Family | Mantis high-speed CAN |
| Modes | Normal, Standby |
| Bus Fault Protection | ±42 V typical (load dump) |
| ESD (HBM, bus pins) | ±8 kV typical |
| Dominant Timeout | Yes (built-in) |
| Статус RoHS | Compliant |
| Уровень MSL | 1 |
Конфигурация выводов TJA1057GTJ
| Контакт 1 | TXD — Transmit data input from CAN controller |
| Контакт 2 | GND — Ground |
| Контакт 3 | VCC — 5V supply input |
| Контакт 4 | RXD — Receive data output to CAN controller |
| Контакт 5 | VIO — Logic-level supply (where present, otherwise NC) |
| Контакт 6 | CANL — Low-level CAN bus line |
| Контакт 7 | CANH — High-level CAN bus line |
| Контакт 8 | STB — Standby mode control (active high) |
Типичное применение
TJA1057GTJ подходит для 6 применениеs: Automotive Body Control Module (BCM), Industrial CANopen Network Node, Battery Management System (BMS) Slave Module, ADAS Sensor ECU (Radar/LiDAR/Vision), Instrument Cluster Gateway, Off-Highway / Agricultural CAN Node.
Automotive Body Control Module (BCM)
The TJA1057GTJ provides the ISO 11898-2 compliant physical layer for body control modules that manage lighting, door locks, mirrors, and wipers across the vehicle CAN bus. Its 1 Mbit/s capability comfortably supports the typical 500 kbps body CAN backbone used by modern OEMs, and its ±42 V load-dump tolerance removes the need for external TVS protection on the bus pins. The SOIC-8 footprint reflows cleanly onto standard FR-4 automotive PCBs and survives -40 °C to +150 °C under-hood thermal excursions. Compared to legacy TJA1050 parts, the TJA1057GTJ delivers roughly 6 dB better radiated emissions, easing OEM EMC certification. Use it alongside an STM32F105 or SAK-TC234LP MCU and 120 Ω bus termination.
Рекомендуется
Industrial CANopen Network Node
In CANopen networks for factory automation and motion control, the TJA1057GTJ serves as the physical interface between the host PLC/CANopen stack and the differential bus. Its 1 Mbps bandwidth supports standard CANopen DS301 profiles used by servo drives, I/O modules, and encoders, while the wide 4.75-5.25 V supply tolerance accommodates the slightly drooping 5 V rails of long industrial cable plants. The integrated standby mode lets CANopen nodes enter power-saving states between cycle updates, important for battery-backed sensor nodes. The SOIC-8 package is well-suited to the compact PLC backplane and field-device form factors common in industrial designs.
Рекомендуется
Battery Management System (BMS) Slave Module
The TJA1057GTJ is widely used as the isolated CAN interface on BMS slave modules that communicate cell voltages and temperatures to a master controller over a 500 kbps CAN bus. Its low standby current and bus-wake capability support the partial-networking requirements of 48 V mild-hybrid and 400 V EV battery packs where some slave modules sleep while the master polls. The device's AEC-Q100 qualification is mandatory for EV battery installations, and its -40 °C to +150 °C rating covers under-pack thermal conditions. Pair the transceiver with an isolated DC-DC and digital isolators if the BMS stack voltage requires galvanic isolation from the chassis.
Рекомендуется
ADAS Sensor ECU (Radar/LiDAR/Vision)
Advanced driver-assistance sensor ECUs that stream processed radar tracks, LiDAR point clouds, or camera metadata to the central ADAS domain controller use the TJA1057GTJ as the physical CAN interface. Although some ADAS pipelines migrate to CAN FD or automotive Ethernet, classical CAN at 1 Mbps remains dominant for sensor-cost-sensitive and rear-camera systems. The TJA1057's superior EMC and ±8 kV HBM ESD protect the ECU from the harsh transient environment near the wheel arch and front bumper. The 8-SO package is footprint-compatible with next-generation transceiver upgrades, preserving PCB layout reuse across sensor generations.
Рекомендуется
Instrument Cluster Gateway
Digital instrument clusters often include a small gateway function that bridges the powertrain CAN bus with the body CAN bus, and the TJA1057GTJ serves as one of the physical-layer bridges in this gateway. Its robust bus-fault handling and ±42 V transient tolerance protect the gateway from alternator load-dump events common at the firewall location. The standby mode allows the cluster to enter a key-off sleep state while still being able to wake on CAN activity. Designers typically pair the TJA1057GTJ with a Cortex-M4/M7 MCU running an autosar or lightweight CANopen-style gateway stack.
Рекомендуется
Off-Highway / Agricultural CAN Node
Agricultural tractors, construction equipment, and off-highway vehicles use the SAE J1939 protocol over a 250 kbps CAN bus to interconnect engine, transmission, hydraulics, and implement ECUs. The TJA1057GTJ provides a rugged physical-layer interface for these harsh-environment nodes, surviving the wider temperature swings, vibration, and load-dump transients of off-road installations. Its SOIC-8 package reflows cleanly onto conformal-coated boards, and its ±8 kV HBM ESD withstands the static generated by pneumatic seeders and tillage equipment. Use it in conjunction with isolators and wide-input DC-DCs to meet the 24 V nominal battery systems of heavy machinery.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TJA1057GTJ — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | TJA1057GT/3 | TJA1057GT/3J | TJA1057BT/3 | TJA1051T/3 | TCAN1044DRQ1 | SIT1044T |
|---|---|---|---|---|---|---|---|
| Package | 8-SO (SOIC-8) | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments | NXP |
| Max Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 5 Mbps (CAN FD) | 5 Mbps (CAN FD) |
| Supply Voltage | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.75V to 5.25V | 4.5V to 5.5V | 4.5V to 5.5V |
| ESD (HBM, bus pins) | ±8 kV typical | ±8 kV typical | ±8 kV typical | ±8 kV typical | ±6 kV typical | ±8 kV typical | ±8 kV typical |
| Operating Temperature | -40°C to +150°C | -40°C to +150°C | -40°C to +150°C | -40°C to +150°C | -40°C to +150°C | -40°C to +150°C | -40°C to +125°C |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Standby Mode | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Source | Verified Web Data | web_data | web_data | llm_knowledge | llm_knowledge | web_data | web_data |
Ключевые отличия
- Superior EMC performance vs predecessor TJA1051T (против TJA1051T/3)
- Stronger ESD protection on bus pins (против TJA1051T/3)
- Cross-brand availability with TI TCAN1044 (против TCAN1044DRQ1)
- Lower quiescent standby current vs older TJA1042 (против TJA1042T/3)
Заметки по проектированию
Place a 100 nF X7R ceramic decoupling capacitor as close as possible to pin 3 (VCC), ideally within 2 mm of the pin pad and sharing a wide ground via to the inner ground plane. The CANH and CANL traces should be routed as a 100 Ω differential pair on the top layer over a continuous ground plane, with length matching better than ±1 mm to maintain signal symmetry. According to NXP application notes, keeping the differential pair away from switching nodes and bus connectors reduces radiated emissions by 4-6 dB.
A common mistake is leaving the STB pin (pin 8) floating, which can put the TJA1057GTJ into an indeterminate state and prevent bus communication. Tie STB to GND through a 10 kΩ pulldown if it is not actively driven, or connect it to a host MCU GPIO. According to NXP's datasheet, an undriven STB can latch the part into standby mode, making it appear that the bus has failed. Also confirm that the host MCU's CAN TX pin is default-low at startup - a high TXD before the transceiver is enabled can cause a dominant bus lockup.
The TJA1057 family uses built-in slope control on the bus driver to limit dV/dt, which reduces high-frequency EMI compared to legacy TJA1050 transceivers. To preserve this advantage, avoid adding external series resistors on CANH/CANL (some legacy designs include 0 Ω jumpers for bus fault isolation - remove them on TJA1057). For OEM EMC certification, place a common-mode choke (e.g., 100 µH @ 100 MHz) on the CAN connector side of the bus termination to attenuate common-mode noise from the harness.
Estimated: at VCC=5V, bus load 60 Ω, dominant state, the TJA1057GTJ dissipates roughly (5-2.5)V × 0.060A ≈ 150 mW (worst-case dominant). On a standard 1-oz 4-layer SOIC-8 footprint with no extra copper, theta_JA ≈ 150 °C/W, producing a junction temperature rise of about 22 °C above ambient - well within the 150 °C rating. The thermal pad on SOIC-8 is not present; do not assume a thermal pad exists unless checking the package datasheet revision.
Информация о соответствии
RoHS and AEC-Q100 qualified per NXP TJA1057 datasheet. Halogen-free per NXP environmental statement. Some TJA1057 variants are NRND; the GTJ SOIC-8 tape-and-reel remains active.
