TJA1043AT/0Z - 5 Mbps CAN Transceiver | NXP | Automotive
Teilenummer: TJA1043AT/0Z ✓ AktivTJA1043AT/0Z Übersicht
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.
Drop-in-Alternativen für TJA1043AT/0Z – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
TJA1443AT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TJA1043AT/0Z Technische Daten
| Product Type | High-speed CAN transceiver |
| Maximum CAN Data Rate | 5 Mbps |
| Supply Voltage Range | 4.5 V to 5.5 V DC |
| Nominal Supply Voltage | 5 V |
| Channel Configuration | 1 CAN channel |
| Transceiver Classification | Half CANbus transceiver |
| Operating Modes | Normal, Sleep, Standby |
| Gehäuse | 14-pin SOIC |
| Montageart | Surface mount |
| Packaging | Tape and reel |
| Automotive Qualification | AEC-Q100 |
| RoHS-Status | Compliant |
TJA1043AT/0Z 14-pin soic Pinbelegungsleitfaden
Pinbelegung für TJA1043AT/0Z (14-pin soic-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für TJA1043AT/0Z.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
TJA1043AT/0Z ist geeignet für 6 Anwendungs: Automotive Body Control Modules, Industrial Automation Controllers, Vehicle Gateway and Communication Hubs, Engine and Powertrain Controllers, Embedded Sensor and Diagnostic Nodes, CAN-to-Serial Protocol Bridges.
Automotive Body Control Modules
The TJA1043AT/0Z fits automotive body and comfort modules that communicate over a conventional high-speed CAN network. Its verified 5 Mbps capability supports demanding vehicle communication, while the 4.5 V to 5.5 V operating range aligns with a regulated 5 V automotive rail. The AEC-Q100 qualification shown in the verified listing provides an important automotive sourcing signal. Engineers can connect a compatible CAN controller to the non-isolated bus through this transceiver and use Normal, Sleep, or Standby operation to match vehicle energy-management requirements. Final qualification must confirm temperature grade, ESD performance, transient immunity, and fault behavior in the current NXP datasheet.
Empfohlen
Industrial Automation Controllers
The TJA1043AT/0Z is appropriate for industrial automation controllers, remote I/O nodes, and motor-control subsystems that exchange cyclic commands and diagnostics over CAN. A 5 Mbps CAN data rate provides useful bandwidth for coordinated machinery, while the 4.5 V to 5.5 V supply range simplifies integration with 5 V control electronics. The three verified operating states—Normal, Sleep, and Standby—allow a system controller to balance communication availability against energy use. Deployment still requires industrial qualification review, grounded-bus design, surge protection, and verification of the exact transceiver's common-mode limits against the factory environment.
Empfohlen
Vehicle Gateway and Communication Hubs
The TJA1043AT/0Z can provide the physical CAN interface within an automotive gateway or communication hub that distributes messages among vehicle subsystems. Its 5 Mbps maximum data rate is suitable for the high-speed CAN segment named in the verified distributor specifications, and the integrated Normal/Sleep/Standby control supports flexible power management. The 14-pin SOIC format simplifies assembly in compact control electronics compared with larger packages. Designers should still validate bus timing under worst-case loading, check coexistence with other bus standards, and use the manufacturer pin and parasitic-data guidance to preserve signal integrity at connector and harness transitions.
Empfohlen
Engine and Powertrain Controllers
The TJA1043AT/0Z is suitable for engine and powertrain control units requiring a dependable 5 Mbps CAN connection to sensors, actuators, and other controllers. Its AEC-Q100 status, 5 V supply range, and compact 14-pin SOIC package align with the verified automotive positioning of the device. Normal mode supports active network communication, while Sleep and Standby can assist a controller in managing inactive intervals. The transceiver should be paired with a CAN controller whose timing, filters, and error handling match the system requirement. Engineers must also verify transient suppression, ground-offset tolerance, temperature limits, and diagnostic behavior against the vehicle platform specification.
Empfohlen
Embedded Sensor and Diagnostic Nodes
The TJA1043AT/0Z can serve compact sensor and diagnostic nodes that report measurements, fault information, or service data over a shared CAN network. Its 5 Mbps rate provides ample headroom for short diagnostic exchanges and normal control traffic, while the 4.5 V to 5.5 V range supports common regulated 5 V electronics. The low-power operating choices can help a node transition between active communication and reduced-consumption states when supported by its host controller. In these designs, minimize bus stub length, maintain a common reference ground for the non-isolated interface, and validate termination placement so that only the physical bus endpoints carry the effective 120 ohm load.
Empfohlen
CAN-to-Serial Protocol Bridges
The TJA1043AT/0Z can form the CAN side of a protocol bridge that transfers data between a CAN network and an RS-232 or RS-485 link. Its 5 Mbps CAN capability supports high throughput, and the 14-pin SOIC package leaves board area for the bridging controller and another transceiver. Normal, Sleep, and Standby modes provide hooks for energy-conscious designs, although their exact transition rules must be taken from the NXP datasheet. The bridge should include buffered pass-through behavior, watchdog recovery, ESD protection, and careful isolation planning if the two bus domains have different ground references. Timing and fault containment must be verified independently on each interface.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für TJA1043AT/0Z – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | TJA1443AT |
|---|---|---|
| Package | 14-pin SOIC | 14-pin SOIC |
| Brand | NXP Semiconductors | NXP Semiconductors |
Wichtigste Unterscheidungsmerkmale
- Verified automotive qualification (vs. TJA1443AT)
- Confirmed high-speed CAN capability (vs. TJA1443AT)
- Explicit low-power mode set (vs. TJA1443AT)
- Documented 5 V supply envelope (vs. TJA1443AT)
Designhinweise
Route CANH and CANL as a tightly coupled differential pair from the transceiver to the connector or isolation boundary. Minimize vias, avoid stubs, keep the pair away from switching nodes and high-current switching paths, and use the NXP layout guidance for connector and termination placement. The verified data confirms a 14-pin SOIC package but does not supply the complete pinout, so PCB release must begin only after mapping every pin from the current manufacturer datasheet.
Provide a stable 4.5 V to 5.5 V supply within the transceiver's confirmed operating range and place local high-frequency decoupling at the supply pins using the values and layout specified by NXP. Review Normal, Sleep, and Standby current in the manufacturer table before assigning power budgets. If the host controller drives enable or standby signals during reset, verify that the resulting mode cannot create an unintended bus-driver state. The supplied snippets do not include capacitor values or sleep current, so neither should be assumed.
Do not treat TJA1443AT as an automatic replacement merely because it is described as form-fit in the NXP community result. Compare the official pinouts and timing for EN, STBN, TXD, RXD, supply, ground, and VIO-related functions, and inspect external pull components on the target PCB. For the TJA1043AT/0Z itself, also confirm the exact termination topology and operating temperature grade. A successful electrical smoke test does not replace bus-timing, fault-mode, or automotive qualification review.
Keep the CAN connector and protection network close to the board edge and terminate the differential pair before the protection devices where the NXP guidance recommends. Select TVS components according to the automotive or industrial ESD and surge requirements, and account for parasitic capacitance that could affect edge rate at 5 Mbps. Use a common reference-ground strategy for the non-isolated transceiver unless the selected architecture includes galvanic isolation. Validate radiated and conducted emissions with the final harness, enclosure, and power-supply configuration.
Compliance-Informationen
RoHS compliance and AEC-Q100 automotive qualification are explicitly supported by the verified Arrow product listing. REACH, lead-free status, halogen-free status, and conflict-minerals status are not stated in the supplied data.