TJA1049TKJ - 5 Mbps CAN Transceiver, 8-HVSON | NXP
N.º de pieza: TJA1049TKJ ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $0.6512 | $0,65 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
TJA1049TKJ Descripción general
A CAN transceiver is an interface IC that converts logic-level controller signals into differential bus voltages and converts received differential bus levels into logic-compatible receive signals. In the system hierarchy, the TJA1049TKJ belongs to the CAN physical-layer transceiver class, connecting a CAN controller or microcontroller to the CANbus network while providing differential transmit and receive capability.
The verified specifications identify a 1/1 driver and receiver arrangement, half duplex operation, 5 Mbps maximum data rate, and 300 mV receiver hysteresis. Its 4.75 V to 5.25 V operating supply range supports regulated 5 V automotive and embedded CAN systems. The standby function can reduce activity when the node is not required to communicate, while the small 8-HVSON package supports compact automotive electronics designs.
The TJA1049TKJ is positioned for in-vehicle networks, diagnostic interfaces, body electronics, gateway modules, and industrial or embedded systems using high-speed CAN. It is suitable where a controller requires a physical-layer transceiver rather than a complete CAN controller. System designers must still provide appropriate bus termination, common-mode protection, decoupling, and PCB routing for the installed network topology.
The package and pin configuration require careful attention to exposed-pad soldering and thermal behavior. Because the verified source data does not provide a detailed pin-by-pin public pinout, the pinout field is marked unavailable rather than reconstructed from memory. Application selection should also confirm the exact NXP ordering variant, package, and exposed-pad land pattern before PCB release.
This page combines the verified manufacturer and distributor references with package-level engineering guidance, comparison fields, and application context for engineers evaluating the TJA1049TKJ. It distinguishes verified specifications from parameters that require confirmation from the complete manufacturer datasheet before layout or qualification decisions.
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TJA1049TK/3J
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TJA1049T
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TJA1049TK
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TJA1049T/3
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TJA1049TKJ
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Ver hoja de datos →TJA1049TKJ Especificaciones
| Product Type | High-speed CAN transceiver |
| Protocol | CANbus |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Duplex | Half duplex |
| Maximum Data Rate | 5 Mbps |
| Tensión de alimentación de funcionamiento | 4.75 V to 5.25 V |
| Receiver Hysteresis | 300 mV |
| Temperatura de funcionamiento | -40 °C to +150 °C |
| Encapsulado | 8-HVSON (3 mm x 3 mm) |
| Tipo de montaje | Surface mount |
| Transceiver Type | CAN bus transceiver |
| Standby Mode | Yes |
Guía de configuración de pines de TJA1049TKJ 8-hvson (3 mm x 3 mm)
Configuración de pines para TJA1049TKJ (encapsulado 8-hvson (3 mm x 3 mm)). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para TJA1049TKJ.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
TJA1049TKJ es adecuado para 6 aplicacións: Automotive Body Control Network, Vehicle Gateway Module, Automotive Diagnostic Interface, Industrial CAN Control Node, Embedded CAN Communication Module, Robotics and Sensor Network Backbone.
Automotive Body Control Network
The TJA1049TKJ suits body-control modules that connect a CAN controller to a two-wire vehicle network. Its 5 Mbps capability provides margin for high-speed CAN nodes, while the 4.75 V to 5.25 V supply range supports regulated 5 V automotive electronics. The 8-HVSON package preserves board area in compact control units. Use the exact NXP land pattern, provide bus termination and protection, and validate common-mode behavior across the vehicle network before production.
Recomendado
Vehicle Gateway Module
A gateway module can use the TJA1049TKJ as the physical-layer interface for a CAN controller bridging vehicle network segments. The single-driver, single-receiver arrangement is appropriate for a conventional CAN node, and the 5 Mbps rating supports high-speed communication designs. The half-duplex interface requires correct controller timing and bus termination. Designers should verify the exact transceiver variant, pin functions, standby connection, and exposed-pad soldering against the NXP datasheet.
Recomendado
Automotive Diagnostic Interface
The TJA1049TKJ can provide the CAN physical layer in a diagnostic interface or tester module that communicates with a vehicle network. Its 5 Mbps maximum data rate supports high-speed CAN communication, while the compact 8-HVSON package helps reduce connector-heavy accessory board area. The system must still account for cable length, termination, protection against automotive transients, and isolation requirements when the diagnostic equipment connects to an external vehicle harness.
Recomendado
Industrial CAN Control Node
For an industrial controller exposed to a short, controlled CAN network, the TJA1049TKJ offers a compact high-speed physical-layer interface. Its 4.75 V to 5.25 V operating supply fits a regulated 5 V rail, and the 300 mV receiver hysteresis helps reject noise around the receive threshold. Industrial implementations should validate electromagnetic interference, surge protection, grounding, and bus topology because the transceiver rating alone does not determine network reliability.
Recomendado
Embedded CAN Communication Module
The TJA1049TKJ fits embedded CAN modules that connect a microcontroller or dedicated controller to a high-speed two-wire bus. The device handles differential transmit and receive signaling, leaving protocol framing and message management to the controller. Its 8-HVSON footprint is useful where space is constrained, but the exposed pad and package-specific assembly requirements need careful PCB design. Confirm the exact pinout and standby polarity in the manufacturer datasheet before schematic release.
Recomendado
Robotics and Sensor Network Backbone
A robotics controller can use the TJA1049TKJ for a reliable high-speed CAN segment connecting distributed sensors, actuators, and motion-control modules. The 5 Mbps capability allows the physical layer to support faster CAN traffic than lower-rate nodes, while the compact package assists dense controller boards. Designers should select protection components and termination appropriate to the cable environment, and test bus fault recovery because wiring faults and reflections depend on the complete network.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TJA1049TKJ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TJA1049TK/3J | TJA1049T | TJA1049TK | TJA1049T/3 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Diferenciadores clave
- High-speed CAN capability (frente a TJA1049TK/3J)
- Integrated low-power control feature (frente a TJA1049TK)
- Compact automotive physical interface (frente a TJA1043T-118)
- Wide specified operating range (frente a TJA1043T-118)
Notas de diseño
Use the exact NXP TJA1049 package drawing to define the 8-HVSON land pattern, exposed pad, solder mask, and paste geometry. Keep CANH and CANC routing short, symmetrical, and away from noisy switching nodes. Place the transceiver close to the bus connector or protection network when practical, and route the pair as a controlled impedance-aware differential path when the board stackup and test standard require it. The supplied verified data confirms the package but does not include a complete manufacturer layout drawing.
The verified operating supply range is 4.75 V to 5.25 V, so the design must provide a regulated 5 V rail that remains inside this window under temperature, tolerance, and transient conditions. Place local supply decoupling close to the transceiver power pins according to the manufacturer guidance. Do not infer permissible voltage levels for related pins from the supply specification; verify logic, ground, standby, and exposed-pad requirements in the complete NXP datasheet.
CAN bus transceivers operate in electrically harsh environments, so the PCB should minimize loop area around the transceiver and maintain a controlled return path. Add the required bus termination at the physical ends of the network, not at every node, and validate common-mode voltage and fault recovery for the actual harness. Automotive or industrial applications may need external surge and ESD protection; the protection network must be selected without disturbing the transceiver's specified bus behavior.
A common design error is treating a 5 Mbps transceiver rating as permission to use any cable length or topology at 5 Mbps. Bus length, propagation delay, termination, node spacing, controller timing, and loop delay all affect margin. Also avoid assigning standby polarity or pin functions from memory: the verified data confirms standby mode and the 8-HVSON package, while the detailed pinout must come from the official datasheet before schematic capture or PCB release.
Información de cumplimiento
The verified manufacturer description identifies automotive high-speed CAN use, but the supplied data does not explicitly confirm RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown.
