TJA1050T/CM - 1Mbit/s CAN Transceiver | NXP | SOIC-8
N.º da peça: TJA1050T/CM ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0.2174 | $0,22 |
| 10 | $0.2174 | $2,17 |
| 100 | $0.2174 | $21,74 |
| 500 | $0.2174 | $108,70 |
| 1.000 | $0.2174 | $217,40 |
| 3.000 | $0.2174 | $652,20 |
TJA1050T/CM Visão geral
A CAN transceiver is an interface IC that converts logic-level controller signals into differential bus signals and converts received bus levels back into digital receive data. In system terms, the TJA1050T/CM belongs to the CAN physical-layer transceiver class, interface IC category, and broader semiconductor hierarchy. Its differential signaling supports noise-resistant communication over long cables and through electrically noisy environments.
The verified device data identifies ISO 11898 compatibility, operation up to 1 Mbaud, low electromagnetic emission, a differential receiver with a wide common-mode range, and high electromagnetic immunity. An unpowered node does not disturb the bus lines, while bus-pin protection helps improve robustness. The TXD dominant timeout prevents a permanently dominant transmitter state if TXD is held low by a controller or system failure.
The TJA1050T/CM is suitable for CAN-based automotive electronics, industrial control systems, embedded equipment, and communications infrastructure. The NXP product page describes its use between a CAN protocol controller and a two-wire CAN bus. Its 5 V supply requirement makes controller-interface compatibility especially relevant for legacy systems designed around 5 V logic.
PCB implementation requires careful termination and bus routing. CAN-H and CAN-L should be treated as a differential pair, with a 120 ohm termination installed at each end of the main bus. The supply should be decoupled close to the device, and the transceiver should be positioned to minimize exposed high-current bus traces.
The product page marks the TJA1050 as end of life, so engineers should treat availability and lifecycle migration as important design constraints. The TJA1050T/CM is therefore most appropriate for maintaining or repairing existing 5 V CAN designs, while new designs should confirm the NXP migration path and validate pin, electrical, and protocol compatibility before release.
This page combines manufacturer lifecycle information, distributor product identifiers, verified CAN features, and practical interface guidance for engineers evaluating TJA1050T/CM procurement, replacement, PCB reuse, and legacy-system support.
Alternativas drop-in para TJA1050T/CM — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com TJA1050T/CM (mesmo formato e footprint) — diferindo em Package, Maximum Data Rate, Product Type, Protocol.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TJA1051T/CM
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TJA1057T/CM
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
SN65HVD230DR
✅ Drop-In✓ Em estoque
$0.94 / unidade
Ver ficha técnica →MCP2551-I/SN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MAX13054ESA+
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TJA1050T/CM Especificações
| Product Type | 1/1 high-speed CAN transceiver |
| CAN Data Rate | Up to 1 Mbit/s (1 Mbaud) |
| Supply Voltage Range | 4.75 V to 5.25 V |
| Standard Compatibility | ISO 11898 |
| Tipo de interface | Differential CAN transmitter and receiver |
| Bus Configuration | Two-wire CAN bus |
| Unpowered Node Behavior | Does not disturb bus lines |
| TXD Dominant Timeout | Transmitter disabled after dominant-state timeout |
| Electromagnetic Emission | Very low EME |
| Electromagnetic Immunity | Wide receiver common-mode range for high EMI immunity |
| Bus Pin Protection | Protected bus pins |
| Receiver Hysteresis | 70 mV |
| Encapsulamento | 8-pin SOIC, 8-SO gull-wing package |
| Tipo de montagem | Surface Mount |
| Terminal Finish | Nickel palladium gold silver |
| Product Lifecycle | End of Life |
| Manufacturer | NXP Semiconductors |
Configuração de pinos do TJA1050T/CM
| Pino 1 | TXD — Transmit data input |
| Pino 2 | GND — Ground |
| Pino 3 | VCC — Supply voltage |
| Pino 4 | RXD — Receive data output |
| Pino 5 | CANL — CAN bus low |
| Pino 6 | CANH — CAN bus high |
| Pino 7 | NC — Not connected; verify against the manufacturer pinout |
| Pino 8 | NC — Not connected; verify against the manufacturer pinout |
Aplicações típicas
TJA1050T/CM é adequado para 6 aplicaçãos: Automotive CAN Gateway, Industrial Control Network, Embedded CAN Sensor Node, Communications Equipment, Robotics and Motor Control, Legacy Test and Measurement Instrument.
Automotive CAN Gateway
The TJA1050T/CM fits legacy 5 V automotive CAN nodes because it interfaces a CAN controller to a differential two-wire bus and supports data rates up to 1 Mbit/s. Its differential receiver and low electromagnetic emission are useful in vehicle electrical environments where conducted and radiated noise can affect communication. The device should be paired with appropriate vehicle-side protection and bus termination. Verify the node’s operating temperature and automotive qualification requirements against the manufacturer datasheet before production release.
Recomendado
Industrial Control Network
TJA1050T/CM is suitable for industrial control equipment that uses a conventional 5 V CAN controller and a differential CAN bus. The 1 Mbit/s capability supports high-speed control and monitoring links, while the wide receiver common-mode range improves tolerance to bus offsets and system noise. For factory equipment, use protected routing, grounded cable interfaces, and termination only at the bus endpoints. The transceiver’s lifecycle status should be considered when designing long-lived production equipment.
Recomendado
Embedded CAN Sensor Node
The TJA1050T/CM can provide the physical CAN interface for a remote sensor or actuator node built around a 5 V embedded controller. Differential signaling helps preserve data integrity across equipment interconnects, while the unpowered-node behavior can simplify fault isolation when a module is not powered. The implementation must maintain a continuous CAN_H/CAN_L pair, provide local transceiver supply decoupling, and use protection appropriate to the cable length and installation environment.
Recomendado
Communications Equipment
TJA1050T/CM is applicable to legacy communications equipment that uses CAN as an internal or external high-speed physical network. Its differential transmit and receive functions help connect a controller-side digital interface to a wired bus, and its 1 Mbit/s rating is adequate for many control and status traffic profiles. When integrating it into rack or cabinet equipment, keep the bus away from high-current switching paths and confirm that the connector and cable shield provide the required common-mode protection.
Recomendado
Robotics and Motor Control
The TJA1050T/CM can connect a 5 V embedded controller to a CAN-based motor or robot network where distributed control benefits from differential bus signaling. The transceiver’s high-speed operation supports timely command and status exchange, while the TXD dominant-timeout protection helps limit a failed controller’s ability to block the bus. Motor systems still require separate isolation or protection strategies because switching transients can exceed ordinary communication-circuit assumptions.
Recomendado
Legacy Test and Measurement Instrument
TJA1050T/CM is useful when maintaining a legacy test instrument or diagnostic fixture whose host controller expects a 5 V CAN physical layer. Differential communication can improve noise immunity in laboratories where motors, relays, and switching supplies share an enclosure. During repair, inspect the CANH and CANL traces for opens, shorts, incorrect termination, and connector damage. Because the part is end of life, stock availability and traceability should be planned before using it in new fixtures.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TJA1050T/CM — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | TJA1051T/CM | TJA1057T/CM | SN65HVD230DR | MCP2551-I/SN | MAX13054ESA+ |
|---|---|---|---|---|---|---|
| Package | SOIC-8 / 8-SO | SOIC-8 package family; exact footprint confirmation required | SOIC-8 package family; exact footprint confirmation required | SOIC-8 package; exact footprint confirmation required | SOIC-8 package; exact footprint confirmation required | SOIC-8 package; candidate identity not fully verified in supplied data |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments | Microchip Technology | Analog Devices |
Principais diferenciais
- Legacy 5 V CAN interface positioning (vs TJA1051T/CM)
- Known dominant-state protection feature (vs MCP2551-I/SN)
- Unpowered-node bus behavior (vs SN65HVD230DR)
- Application-specific CAN compatibility (vs TJA1057T/CM)
- Lifecycle transparency (vs All listed alternatives)
Notas de projeto
Treat CANH and CANL as a controlled differential pair. Keep the traces continuous and closely coupled, minimize stubs and layer transitions, and route them away from clocks, power inductors, relays, and high-di/dt switching nodes. Place the bus connector and termination network according to the physical layer design rather than scattering passive components along the route. Verify differential impedance and connector return-current paths during PCB review.
Do not assume that every 8-pin CAN transceiver is a drop-in replacement. Compare pin names, supply voltage, TXD and RXD logic thresholds, recessive and dominant output behavior, standby or silent modes, loopback behavior, bus-bias provisions, and protection. The supplied cross-reference material identifies possible migration paths but does not provide a complete verified pin-level matrix for the listed alternatives.
Place the transceiver supply bypass capacitor close to VCC and keep the ground return short and continuous. The TJA1050T/CM is specified for 4.75 V to 5.25 V, so a nominally 5 V rail still requires tolerance and transient review. Avoid sharing high-current return paths with the CAN bus return when doing so could inject noise into the receiver or controller ground reference.
The supplied data does not provide the TJA1050T/CM operating temperature or power-dissipation limits. Do not infer thermal margin from the SOIC package alone. For an end-of-life repair or production build, obtain the manufacturer specification, estimate dissipation from the actual supply and bus-loading waveform, and verify that the PCB thermal design remains acceptable at the worst specified ambient temperature.
Use the exact NXP package drawing and pin numbering when placing the 8-SO device. Keep the CAN bus pins away from exposed test pads and long copper stubs, and place any split termination or protection components in accordance with the selected bus topology. Confirm whether unused pins are truly no-connect or whether the selected ordering code requires a defined state before release to manufacturing.
Informações de conformidade
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim should be inferred from the distributor listings.
