TJA1057GTJ - High-Speed CAN Transceiver, 1Mbps, 8-SO | NXP
Teilenummer: TJA1057GTJ ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 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 Übersicht
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.
Drop-in-Alternativen für TJA1057GTJ – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit TJA1057GTJ (gleiche Bauform und Footprint) – abweichend in Operating Temperature, Package, Supply Voltage (VCC), Bus Fault Protection, MSL Level.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
TJA1057GT/3
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TJA1057GT/3J
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TJA1057BT/3
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
TJA1051T/3/1
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.4102 / Stück
Datenblatt ansehen →TCAN1044DRQ1
✅ Drop-In✓ Auf Lager
$0.62 / Stück
Datenblatt ansehen →SIT1044T
✅ Drop-In✓ Auf Lager
$0.16 / Stück
Datenblatt ansehen →TJA1057GTJ Technische Daten
| Funktion | High-speed CAN transceiver |
| Datenrate | 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 |
| Betriebstemperatur | -40 °C to +150 °C |
| Gehäuse | 8-SO (SOIC-8, 3.9 mm body) |
| Montageart | 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) |
| RoHS-Status | Compliant |
| MSL-Level | 1 |
TJA1057GTJ Pin-Konfiguration
| Pin 1 | TXD — Transmit data input from CAN controller |
| Pin 2 | GND — Ground |
| Pin 3 | VCC — 5V supply input |
| Pin 4 | RXD — Receive data output to CAN controller |
| Pin 5 | VIO — Logic-level supply (where present, otherwise NC) |
| Pin 6 | CANL — Low-level CAN bus line |
| Pin 7 | CANH — High-level CAN bus line |
| Pin 8 | STB — Standby mode control (active high) |
Typische Anwendungen
TJA1057GTJ ist geeignet für 6 Anwendungs: 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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
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.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für TJA1057GTJ – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | 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 |
Wichtigste Unterscheidungsmerkmale
- Superior EMC performance vs predecessor TJA1051T (vs. TJA1051T/3)
- Stronger ESD protection on bus pins (vs. TJA1051T/3)
- Cross-brand availability with TI TCAN1044 (vs. TCAN1044DRQ1)
- Lower quiescent standby current vs older TJA1042 (vs. TJA1042T/3)
Designhinweise
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.
Compliance-Informationen
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.
