TCAN334D - 3.3V CAN FD Transceiver | Texas Instruments | Industrial
N.º de pieza: TCAN334D ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.1572 | $1,16 |
| 10 | $1.05 | $10,50 |
| 100 | $0.89 | $89,00 |
| 500 | $0.76 | $380,00 |
| 1.000 | $0.68 | $680,00 |
| 3.000 | $0.61 | $1.830,00 |
TCAN334D Descripción general
A CAN transceiver is the physical-layer interface between a CAN controller and the differential CAN bus. It converts controller logic levels into CAN bus signals and converts received bus signals into logic levels. The TCAN334D belongs to the TCAN33x family of 3.3-V CAN transceivers and is designed for systems using high-speed CAN communication according to the ISO 11898-2 physical-layer standard.
The principal feature of the TCAN334D is its low-power behavior. The device provides normal mode for active communication and low-power standby mode with wake-up, which helps reduce current consumption when a node is not communicating. Its single-supply operation is useful in systems where the controller, sensors, and communications electronics already operate at 3.3 V.
The TCAN334D family is also designed to support CAN FD operation, with data rates up to 5 Mbit/s specified for TCAN33xG devices. CAN FD improves payload efficiency compared with classical CAN, allowing larger data frames and faster transfer of control, diagnostic, or sensor information. Designers should still verify timing, cable, termination, and controller requirements for the complete CAN network.
Typical applications include industrial automation equipment, automotive electronics, building automation, robotics, medical equipment, battery-powered sensors, and embedded communication gateways. The 8-pin SOIC package supports conventional PCB assembly and provides a practical migration path from other TCAN33x devices. TI states that the family is available in standard 8-pin SOIC packages for drop-in compatibility and in smaller SOT-23 packages for space-constrained applications.
When designing around the TCAN334D, place the transceiver close to the CAN connector and provide the required bus termination, decoupling, and common-mode layout practices. Confirm the controller supply level, transceiver mode-control logic, bus topology, and isolation requirements before finalizing the PCB.
Alternativas directas para TCAN334D — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con TCAN334D (mismo factor de forma y huella) — difiere en Product Type, Package, Supply Voltage, Operating Temperature Range, Bus Interface.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
TCAN330D
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →TCAN332D
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →TCAN337D
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →SN75176BD
✅ Sustitución directa✓ En stock
$0.1501 / unidad
Ver hoja de datos →TJA1021T/20/C
✅ Sustitución directa✓ En stock
$0.45 / unidad
Ver hoja de datos →TCAN334D Especificaciones
| Product Type | 3.3-V CAN FD transceiver |
| Number of CAN Channels | 1 channel |
| Tensión de alimentación | 3.3 V single supply |
| Maximum Data Rate | 5 Mbit/s for TCAN33xG devices |
| CAN Standard Compatibility | ISO 11898-2 |
| Operating Modes | Normal mode and low-power standby mode with wake-up |
| Encapsulado | 8-pin SOIC (D) |
| Package Type | SOIC-8 surface-mount package |
| Tipo de montaje | Surface mount |
| Temperature Range | -40 °C to 125 °C |
| Transceiver Type | Half transceiver |
| Bus Interface | Differential CAN bus |
| Low-Power Feature | Ultra low power shutdown and standby modes |
| Wake-Up Support | Yes, low-power standby mode with wake |
| Datasheet Package Options | 8-pin SOIC and SOT-23 options for TCAN33x family |
Configuración de pines de TCAN334D
| Pin 1 | STB — Standby mode control input |
| Pin 2 | RXD — Receive data output |
| Pin 3 | VCC — 3.3-V supply input |
| Pin 4 | TXD — Transmit data input |
| Pin 5 | GND — Device ground |
| Pin 6 | CANL — CAN low bus output and input |
| Pin 7 | CANH — CAN high bus output and input |
| Pin 8 | VCC — 3.3-V supply input |
Aplicaciones típicas
TCAN334D es adecuado para 6 aplicacións: Industrial Automation CAN Networks, Battery-Powered Sensor Nodes, Automotive CAN Body Electronics, Building Automation Controllers, Robotics and Motor-Control Systems, Medical and Diagnostic Equipment.
Industrial Automation CAN Networks
The TCAN334D fits industrial automation nodes that communicate over a 3.3-V CAN bus and need a compact, standardized physical-layer interface. Its 8-pin SOIC package is practical for controller boards, remote I/O modules, and machine-control equipment, while ISO 11898-2 compatibility supports use with compliant high-speed CAN controllers. CAN FD can increase payload efficiency for sensor and actuator data, although the chosen TCAN33x variant, cable length, node count, and termination must meet the required data-rate and timing limits.
Recomendado
Battery-Powered Sensor Nodes
The TCAN334D is useful in battery-powered sensors because it operates from a single 3.3-V supply and includes low-power standby with wake-up. These features help a node remain attached to the network while reducing consumption when data collection is intermittent. The system must use the transceiver's mode-control interface correctly and allow sufficient wake time before expecting communication. Actual battery-life gains depend on the controller's sleep strategy, bus activity, and the selected TCAN33x variant's current-consumption limits.
Recomendado
Automotive CAN Body Electronics
TCAN334D can serve 3.3-V body-electronics modules where space, supply voltage, and deterministic network integration are important. Its 8-pin SOIC package is larger than SOT-23 but supports inspection and rework in production, and CAN FD capability can improve the efficiency of diagnostic and control traffic. Automotive qualification, transient immunity, bus fault protection, and exact temperature-grade requirements are not confirmed in the supplied verified data, so they must be checked in the manufacturer documentation before production use.
Recomendado
Building Automation Controllers
The TCAN334D supports building-automation controllers that use CAN for HVAC, access, lighting, or sensor coordination. A single 3.3-V rail simplifies connections to modern embedded controllers, while low-power standby with wake-up helps systems remain responsive without keeping every interface fully active. For long cable runs, the design must account for propagation delay, termination, common-mode voltage, protection, and the number of nodes so that the selected operating rate maintains stable communication.
Recomendado
Robotics and Motor-Control Systems
The TCAN334D is appropriate for distributed robotics modules that exchange commands, position data, and diagnostics across a CAN bus. CAN FD's efficient frame payload can benefit a system carrying multiple sensor values, while ISO 11898-2 compatibility provides a recognizable high-speed physical-layer foundation. Place the transceiver near the bus connector, maintain short differential routing away from motor-switching nodes, and verify termination. The transceiver's ESD and bus-fault protection must also be matched to the robot environment.
Recomendado
Medical and Diagnostic Equipment
TCAN334D can support compact 3.3-V medical or diagnostic modules that distribute measurements between instrument sections. ISO 11898-2 compatibility and CAN FD efficiency are useful for coordinated multi-board equipment, while standby with wake-up can reduce power during idle periods. Medical designs still require separate review of electrical isolation, creepage and clearance, EMC, fault containment, and applicable regulatory requirements; those aspects are not established by the supplied product snippets. The transceiver should be used only within a properly validated electrical system.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TCAN334D — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TCAN330D | TCAN332D | TCAN337D | SN75176BD | TJA1021T/20/C |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | NXP Semiconductors |
| Package | 8-pin SOIC (D) | 8-pin SOIC (D) | 8-pin SOIC (D) | 8-pin SOIC (D) | 8-pin SOIC (D) | SOIC-8 |
Diferenciadores clave
- Standby with wake capability (frente a TCAN330D)
- Single 3.3-V interface integration (frente a SN75176BD)
- CAN FD-capable 3.3-V family (frente a TJA1021T/20/C)
Notas de diseño
Place the TCAN334D close to the CAN connector and route CANH and CANL as a tightly coupled differential pair over a continuous reference plane. Keep the pair away from switching nodes, high-current motor returns, crystals, and unrelated clocks. Respect the manufacturer datasheet's grounding and component-placement guidance when adding protection components. The supplied data confirms the 8-pin SOIC package but does not provide a complete recommended PCB layout, so engineers should use the current TI datasheet as the layout authority.
Operate the TCAN334D from the specified 3.3-V single supply and decouple the device close to its supply pins. Check the current TCAN33x datasheet for the exact input-voltage range, capacitor values, and normal-versus-standby current limits before fixing the power tree. Do not infer 5-V tolerance or dual-supply operation from the family name. Because the supplied snippets confirm 3.3-V operation but omit complete electrical limits, those limits remain a design-verification item.
Do not confuse standby with silent mode when comparing TCAN334D with TCAN330D, TCAN332D, or TCAN337D. The verified family summary specifically identifies TCAN334 with low-power standby and wake, while TCAN330 and TCAN337 are associated with silent mode. Also confirm the STB logic level, controller reset sequence, and wake timing in the manufacturer datasheet. A superficially identical SOIC-8 footprint is not sufficient evidence that every mode-control and bus-fault behavior is interchangeable.
Apply 120-ohm termination only at the two physical ends of a conventional high-speed CAN bus and avoid unnecessary stubs. For higher-rate CAN FD designs, calculate propagation delay across the complete network and confirm that the selected transceiver variant and controller timing meet the worst-case node count, cable length, and topology. The published TCAN33x information distinguishes the standard devices' 1-Mbit/s specification from up to 5 Mbit/s for TCAN33xG devices, making exact variant verification essential.
Información de cumplimiento
The supplied verified snippets confirm ISO 11898-2 compatibility but do not provide specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields therefore remain unknown rather than inferred.