TJF1051T/3 - High-Speed CAN Transceiver 8-SO | NXP
Артикул: TJF1051T/3 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.42 | $1,42 |
| 10 | $1.18 | $11,80 |
| 100 | $0.95 | $95,00 |
| 500 | $0.82 | $410,00 |
| 1.000 | $0.74 | $740,00 |
| 3.000 | $0.62 | $1.860,00 |
TJF1051T/3 Обзор
A CAN transceiver is a physical-layer interface IC that converts the single-ended transmit/receive logic of a CAN controller into the differential dominant/recessive signaling used on the CAN bus, while also providing bus fault protection, ESD tolerance, and common-mode rejection. Within the broader system hierarchy, the CAN transceiver sits between the protocol controller (typically a microcontroller with a CAN module) and the wired bus; it is a member of the in-vehicle networking IC category under power management and interface functions. Compared to lower-speed LIN or RS-485 transceivers, CAN parts like the TJF1051T/3 emphasize deterministic real-time behavior, multi-node arbitration, and automotive-grade robustness.
Key features include a low-current standby and silent mode with wake-up capability, ±8 kV HBM ESD on the bus pins, ±36 V bus fault tolerance on CANH/CANL, and an integrated VIO level shifter. The device operates over the automotive -40 °C to +125 °C junction range and meets the EMC and transient requirements defined by ISO 11898-2:2016.
The architecture combines a low-drop voltage regulator for the VIO domain, a differential driver with controlled slew rate, and a high-CMRR differential receiver. Internal thermal shutdown protects against bus short-to-battery or short-to-ground events, and the Silent mode (S pin) lets the controller put the part into a low-Iq state without losing bias on the bus.
Common applications include automotive body control modules, CAN gateway nodes, industrial CAN-FD sensor hubs, and any MCU-based system that needs an ISO 11898-compliant differential bus driver. A typical design routes TXD/RXDC straight into a STM32 or S32K microcontroller CAN module with VIO tied to the MCU's logic rail.
The primary design consideration is bus termination: place 120 Ω termination at each end of the bus and keep the split stub to the TJF1051T/3 short to preserve signal integrity at 1 Mbps and above. Decoupling on VCC and VIO with 100 nF ceramic capacitors placed within a few millimeters of the pins is required for EMC compliance.
This page aggregates distributor pricing, drop-in-compatible alternative part numbers, and practical EMC/layout design notes that go beyond the manufacturer datasheet summary, helping engineers select, source, and qualify the TJF1051T/3 with confidence.
Аналоги без доработки для TJF1051T/3 — 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 TJF1051T/3 (тот же форм-фактор и посадочное место) — отличается по Package, Protocol, Operating Temperature, Data Rate, Product Type.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
TJA1051T/3/1
✅ Прямая замена✓ В наличии
$0.4102 / шт.
Открыть даташит →TJF1051T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TJA1051T/3/1
✅ Прямая замена✓ В наличии
$0.4102 / шт.
Открыть даташит →TCAN1044DRQ1
✅ Прямая замена✓ В наличии
$0.62 / шт.
Открыть даташит →NCV7342D10R2G
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TLE9251V
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TJF1051T/3 Характеристики
| Protocol | CAN, CAN FD (ISO 11898-2:2016) |
| Скорость передачи данных | Up to 1 Mbps (classic CAN) |
| Number of Drivers/Receivers | 1/1 (Half duplex) |
| Supply Voltage VCC | 4.5 V to 5.5 V |
| I/O Supply Voltage VIO | 2.8 V to 5.5 V (TJF1051T/3 only) |
| Bus Fault Tolerance | ±36 V on CANH/CANL |
| ESD Protection (HBM, bus pins) | ±8 kV |
| Рабочая температура | -40 °C to +125 °C |
| Silent / Standby Mode | Yes (S pin, active-low silent) |
| Wake-up Capability | Via bus / local wake-up (per VIO variant) |
| Корпус | 8-SOIC (SO-8), 3.90 mm body width |
| Тип монтажа | Surface Mount (Gull-wing) |
| Уровень MSL | 1 (per JEDEC J-STD-020) |
| Статус RoHS | Compliant |
| Temperature Grade | Industrial / Automotive extended |
Конфигурация выводов TJF1051T/3
| Контакт 1 | TXD — Transmit data input from CAN controller (to VIO logic level on /3 variant) |
| Контакт 2 | GND — Ground |
| Контакт 3 | VCC — 5 V supply for bus driver domain |
| Контакт 4 | RXD — Receive data output to CAN controller (VIO-level on /3 variant) |
| Контакт 5 | VIO — I/O level adapter supply (TJF1051T/3 only); tied to MCU logic rail |
| Контакт 6 | CANL — Low-level CAN bus line |
| Контакт 7 | CANH — High-level CAN bus line |
| Контакт 8 | S — Silent mode control input (active-low; high = normal, low = silent) |
Типичное применение
TJF1051T/3 подходит для 7 применениеs: Automotive Body Control Module (BCM), CAN-FD Industrial Sensor Hub, EV Battery Management System (BMS) Master, CAN Gateway / Telematics Control Unit, Agricultural and Off-Highway Vehicle ECU, Medical Device CAN-Bus Backbone, Industrial PLC CANopen Module.
Automotive Body Control Module (BCM)
The TJF1051T/3 sits between an S32K or other automotive MCU's CAN module and the vehicle's body CAN bus, providing the differential physical layer that drives window, mirror, lighting, and door-lock nodes. Its ±36 V bus-fault tolerance and ±8 kV HBM ESD rating on CANH/CANL protect the BCM against jump-start transients and hot-plug events during end-of-line testing. The integrated VIO pin level-shifts cleanly to the 3.3 V or 5 V MCU rail without external shifters, reducing BOM and PCB area. The Silent/Standby mode (S pin) lets the BCM enter low-Iq sleep while still meeting OEM parasitic-drain budgets.
Рекомендуется
CAN-FD Industrial Sensor Hub
The TJF1051T/3 is well suited for industrial sensor hubs that aggregate CAN-FD data from multiple field sensors and forward it to a PLC or gateway. Its 1 Mbps classic-CAN plus CAN-FD capability (per ISO 11898-2:2016) preserves higher data-phase throughput when sensors stream diagnostic payloads. Operating from -40 °C to +125 °C with industrial-grade ESD tolerance, the part survives factory-floor EMI and ESD exposure. The VIO pin enables direct connection to 3.3 V industrial MCUs without external level shifters, simplifying the BOM. Designers should add a common-mode choke on CANH/CANL and a TVS diode near the bus connector for full IEC 61000-4-2 compliance.
Рекомендуется
EV Battery Management System (BMS) Master
In an EV battery management master, the TJF1051T/3 connects the BMS controller to the chassis CAN bus carrying cell-voltage, temperature, and SOC data from distributed cell monitoring ICs. Its controlled-slew-rate driver keeps EMI within automotive EMC limits while supporting CAN-FD for higher diagnostic bandwidth during service. The VIO-level shifter removes the need for separate logic-rail translation when interfacing to a 3.3 V BMS MCU. The ±36 V bus fault tolerance protects the BMS node against reverse-battery and load-dump transients present in 12 V/24 V automotive rails.
Рекомендуется
CAN Gateway / Telematics Control Unit
Telematics control units and CAN gateways use the TJF1051T/3 to bridge between in-vehicle CAN/CAN-FD networks and external LTE/5G or Wi-Fi modems. The transceiver's low-Iq Silent mode supports OEM-grade sleep-current targets while the wake-up capability lets the TCU re-join the bus on remote command. The 8-SOIC footprint allows compact module designs where PCB real estate is shared with the modem and SIM card. The part's wide -40 °C to +125 °C operating range covers under-hood and cabin thermal environments.
Рекомендуется
Agricultural and Off-Highway Vehicle ECU
Tractors, harvesters, and off-highway machinery require robust CAN nodes that survive 24 V battery systems, load-dump, and extreme temperature swings. The TJF1051T/3's ±36 V bus-fault rating and -40 °C to +125 °C junction range directly address these stresses, while the CAN-FD capability supports modern ISOBUS extensions used in precision agriculture. The VIO pin allows direct connection to 3.3 V MCUs that have replaced legacy 5 V parts. A split-termination network on the bus plus a TVS array extends protection against ESD during outdoor harness maintenance.
Рекомендуется
Medical Device CAN-Bus Backbone
In medical imaging and patient-monitoring systems, the TJF1051T/3 can serve as the physical-layer interface for internal CAN/CAN-FD backbones connecting modality sub-systems. The part's deterministic low-latency behavior, ±8 kV HBM ESD tolerance, and quiet controlled-slew driver minimize emissions that could couple into sensitive analog front-ends. The VIO pin lets designers run modern 1.8 V MCUs that reduce overall system power, important for portable medical carts. Compliance with ISO 11898-2:2016 simplifies regulatory submission by aligning with widely adopted safety standards.
Рекомендуется
Industrial PLC CANopen Module
The TJF1051T/3 acts as the physical-layer interface for CANopen slave modules plugged into a PLC backplane, communicating with motion controllers and I/O nodes over CiA 301/401/402/404 profiles. Its 1 Mbps classic-CAN capability covers standard CANopen bit rates used in factory automation, while the ISO 11898-2:2016 compliance supports CANopen FD extensions. The VIO pin interfaces cleanly to 3.3 V PLC SoCs without external level shifting. The transceiver's Silent mode supports hot-plug removal from the rack while keeping bus bias undisturbed on neighboring nodes.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TJF1051T/3 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | TJA1051T/3 | TJF1051T | TJA1051T | TCAN1044DRQ1 | NCV7342D10R2G | TLE9251V |
|---|---|---|---|---|---|---|---|
| Package | 8-SOIC (SO-8) | 8-SOIC (SO-8) - same | 8-SOIC (SO-8) - same | 8-SOIC (SO-8) - same | 8-SOIC (SO-8) - same | 8-SOIC (SO-8) - same | 8-DSO - same pin count, gull-wing |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments | onsemi | Infineon |
| Protocol / Compliance | ISO 11898-2:2016, CAN FD | ISO 11898-2:2003, CAN FD | ISO 11898-2:2016, CAN FD | ISO 11898-2:2003, classic CAN | ISO 11898-2:2016, CAN FD | ISO 11898-2, classic CAN | ISO 11898-2:2016, CAN FD |
| VIO Level Shifter | Yes (VIO pin) | Yes (VIO pin) | No (5 V logic only) | No (5 V logic only) | No (5 V logic only) | No (5 V logic only) | No (5 V logic only) |
| AEC-Q100 Qualified | Yes (automotive grade) | Yes | Yes | Yes | Yes | Yes | Yes |
| Bus Fault Tolerance | ±36 V | ±36 V | ±36 V | ±36 V | ±36 V | ±36 V | ±40 V |
| ESD (HBM, bus pins) | ±8 kV | ±8 kV | ±8 kV | ±8 kV | ±8 kV | ±8 kV | ±8 kV |
| Silent / Standby Mode | Yes (S pin, active-low) | Yes (S pin) | Yes (S pin) | Yes (S pin) | Yes (S pin) | Yes (S pin) | Yes (S pin) |
Ключевые отличия
- VIO-level shifter on 8-SOIC footprint (против TJA1051T)
- ISO 11898-2:2016 compliance (CAN FD ready) (против TJA1051T/3)
- Higher bus-fault tolerance vs TI alternative (против TLE9251V)
- Established automotive-grade pedigree (против NCV7342D10R2G)
Заметки по проектированию
Estimated: Place a 100 nF X7R ceramic decoupling capacitor on VCC (pin 3) within 3 mm of the pin, and a separate 100 nF X7R on VIO (pin 5) within 3 mm of that pin, with ground returns routed directly to the CAN transceiver GND (pin 2) via a short, wide trace. For high-EMC environments, add a 4.7 µF bulk capacitor on VCC and a ferrite bead in series with VIO to suppress digital-domain noise. Keep the CANH/CANL traces as a 100 Ω differential pair with controlled 50 Ω single-ended impedance, and route them away from switching converter inductors and clock lines by at least 5 mm to preserve signal integrity at 1 Mbps.
Do not leave the VIO pin (TJF1051T/3) floating — it MUST be tied to the MCU logic supply rail (typically 3.3 V or 5 V) for the digital I/O levels on TXD, RXD, and S to be valid. Do not omit the 120 Ω termination at each end of the bus; without termination, signal reflections will corrupt arbitration. Do not apply reverse polarity on VCC or VIO — although the bus pins are ±36 V tolerant, the supply pins are not. Avoid long stubs (>1 m) to the transceiver, especially in CAN-FD networks where reflections at data-phase edges can mask bits.
Place the TJF1051T/3 close to the bus connector to keep the unprotected bus stub length below 10 mm, reducing radiated emissions. Use a split-termination network (60 Ω + 60 Ω + 4.7 nF to ground) at each end of the bus to improve EMC and reduce common-mode emissions per ISO 11898-2:2016 recommendations. Provide a chassis-ground connection through an RC network (typically 1 nF + 1 MΩ) to drain common-mode currents to chassis without disturbing bus DC bias. Reference: per the NXP TJF1051 datasheet section on application diagrams.
For CISPR 25 / IEC 62228 conformance, add a common-mode choke (e.g., 100 µH at 100 MHz) in series with CANH/CANL between the transceiver and the bus connector. This damps common-mode currents that would otherwise couple onto the harness and radiate. Combine the choke with a TVS diode array (rated for ±30 V working) for ESD and transient protection during end-of-line handling. Reference: per NXP's application notes for ISO 11898-2:2016 EMC compliance in automotive CAN-FD networks.
Информация о соответствии
AEC-Q100 qualified per NXP product page. RoHS and halogen-free compliance confirmed by NXP packaging materials declaration.
