TJA1083GTT/0Z - FlexRay Clamp 15 Transceiver | NXP
MPN: TJA1083GTT/0Z β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.37 | $2.37 |
| 10 | $2.25 | $22.50 |
| 100 | $2.1 | $210.00 |
| 500 | $1.96 | $980.00 |
| 1,000 | $1.82 | $1,820.00 |
TJA1083GTT/0Z Overview
A FlexRay node transceiver is a specialized interface device that connects a FlexRay protocol controller to the vehicle's FlexRay differential bus. As a sub-category of line drivers/receivers in the automotive in-vehicle networking hierarchy (transceiver -> bus interface IC -> automotive networking IC -> semiconductor), it translates the controller's logic-level transmit data into differential bus signals and recovers received data for the controller. The FlexRay standard is used in time-triggered, fault-tolerant x-by-wire and chassis systems in modern vehicles.
The TJA1083G implements the 'Increased voltage amplitude transmitter' functional class to meet JASPAR requirements, giving it enhanced differential output amplitude compared to standard-class transmitters. As a Clamp 15 transceiver, it is optimized for applications that are switched off by the ignition key, providing low-current standby behavior suited to ignition-controlled nodes. The device provides an advanced interface between the protocol controller and the physical bus, with independent receive paths for robust operation on the FlexRay channel.
Technically, the TJA1083G integrates the bus driver, differential receiver, and protection circuitry needed to meet the electrical physical layer defined by ISO 17458-4:2013, including balanced-line signaling and common-mode robustness for the harsh automotive EMC environment. The /0Z ordering suffix denotes the NXP standard product grade and packaging option for this family.
Typical applications include FlexRay nodes in x-by-wire chassis systems, advanced driver assistance (ADAS) domain controllers, suspension and steering systems, and gateway ECUs that bridge FlexRay, CAN, and LIN networks, where 10 Mbit/s throughput and deterministic timing are required.
A key design consideration: because this is a Clamp 15 device intended for ignition-switched nodes, verify that your power-down strategy matches the Clamp 15 behavior; systems with continuous battery connection should evaluate the Clamp 30 variant of the family instead.
This page synthesizes distributor pricing (as of 2026-09-13), drop-in alternatives, design notes, and application guidance not found on the manufacturer product page alone.
Drop-in alternatives for TJA1083GTT/0Z β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TJA1083GTT
β Drop-Inπ Reference alternative (not in catalog)
TJA1080GTT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
TJA1083GTK
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
TJA1083GTT/0Z Specifications
| Product Type | FlexRay node transceiver (Clamp 15) |
| Protocol Compliance | FlexRay Electrical Physical Layer ISO 17458-4:2013 (V3.0.1) |
| Data Rate | 2.5 Mbit/s to 10 Mbit/s |
| Transmitter Functional Class | Increased voltage amplitude transmitter (JASPAR) |
| Clamp Type | Clamp 15 (ignition-switched applications) |
| Drivers/Receivers | 1/1 |
| Package | 14-TSSOP |
| Mounting Type | Surface Mount |
| Brand | NXP Semiconductors |
| Interface | FlexRay bus, protocol controller interface |
| Application | Automotive FlexRay networks (x-by-wire, chassis, gateways) |
TJA1083GTT/0Z 14-tssop Pin Configuration Guide
Pin configuration for TJA1083GTT/0Z (14-tssop package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for TJA1083GTT/0Z.
Refer to the datasheet for full pin configuration.
Typical Applications
TJA1083GTT/0Z is suitable for 6 applications: X-by-Wire Chassis Systems, ADAS Domain Controllers, Suspension and Steering Control ECUs, Gateway ECUs (FlexRay-CAN-LIN Bridging), Powertrain and Engine Management Nodes, Test and Measurement / HIL Simulation of FlexRay Networks.
X-by-Wire Chassis Systems
Steer-by-wire and brake-by-wire ECUs depend on FlexRay's deterministic, time-triggered communication to close safety-relevant control loops. The TJA1083GTT/0Z fits these nodes directly: its compliance with ISO 17458-4:2013 (V3.0.1) and its 'Increased voltage amplitude transmitter' functional class provide the bus amplitude and robustness that JASPAR-oriented chassis programs require at 10 Mbit/s. The transceiver sits between the FlexRay protocol controller and the differential bus pair, driving and recovering frames with the deterministic latency the control loop expects. Because x-by-wire ECUs are typically ignition-switched, the Clamp 15 power-down behavior of the TJA1083G matches the module power architecture without bus-wakeup circuitry.
Recommended
ADAS Domain Controllers
Advanced driver assistance domain controllers aggregate radar, camera, and lidar data and must exchange it over a high-bandwidth, low-latency backbone - a role FlexRay fills at up to 10 Mbit/s. The TJA1083GTT/0Z provides the physical layer: its 2.5 to 10 Mbit/s operating range matches standard FlexRay channel rates, and the advanced controller-bus interface ensures clean frame timing for time-triggered communication between the domain ECU and chassis actuators. ADAS modules often power down when the ignition is off, aligning with the Clamp 15 design intent of this NXP transceiver. Layout the bus pair as a controlled-impedance differential pair and place the transceiver close to the connector for EMC performance.
Recommended
Suspension and Steering Control ECUs
Active suspension dampers, ride-height actuators, and electric power steering units communicate deterministically with the vehicle dynamics controller over FlexRay. The TJA1083GTT/0Z supplies the differential bus interface these ECUs need, with the increased voltage amplitude transmitter class ensuring reliable signaling at 10 Mbit/s across the vehicle wiring harness and its associated common-mode disturbances. These modules are switched off with the ignition, exactly the Clamp 15 scenario this device is optimized for. Integrating the transceiver near the connector with proper common-mode chokes and split termination keeps emissions within automotive EMC limits; the datasheet application section provides the recommended passive network values.
Recommended
Gateway ECUs (FlexRay-CAN-LIN Bridging)
Central gateways translate traffic between FlexRay, CAN, and LIN networks. The TJA1083GTT/0Z handles the FlexRay side of the bridge, connecting the gateway microcontroller's FlexRay protocol controller to the 10 Mbit/s differential backbone. Its compliance with ISO 17458-4:2013 guarantees interoperability with other OEM-approved FlexRay nodes, and the 1-driver/1-receiver configuration matches single-channel gateway implementations. In a gateway, multiple transceivers coexist on one PCB; the compact 14-TSSOP footprint minimizes board area, and the Clamp 15 standby behavior suits the ignition-switched power domain typical of body-domain gateways.
Recommended
Powertrain and Engine Management Nodes
Some powertrain architectures use FlexRay for high-rate sensor and actuator communication between the engine management ECU, transmission controller, and vehicle dynamics systems. The TJA1083GTT/0Z provides the bus physical layer for these nodes, supporting 2.5 to 10 Mbit/s rates with the JASPAR-compliant increased voltage amplitude transmitter for robust in-bay and on-road signaling. Engine bay modules switch off with the ignition (Clamp 15), matching this transceiver's power-down optimization. Design the power supply so the transceiver VCC ramps with the ignition relay, and observe the datasheet startup timing between VCC, EN, and bus attach to avoid spurious frames at power-up.
Recommended
Test and Measurement / HIL Simulation of FlexRay Networks
Hardware-in-the-loop (HIL) benches and FlexRay bus analyzers replicate node transceivers to emulate ECUs. The TJA1083GTT/0Z is used in these instruments to attach the simulation hardware to a physical FlexRay channel at the full 10 Mbit/s rate with ISO 17458-4:2013-compliant signaling, ensuring the device under test sees electrically realistic bus conditions including the increased voltage amplitude waveforms defined by JASPAR requirements. Because benches are not ignition-switched, Clamp 15 behavior simply means the transceiver is cleanly disabled when its supply rail is removed - a useful, predictable property for automated test sequencing and power-cycling fault injection.
Recommended
Recommended Products Summary
Engineering reference data for TJA1083GTT/0Z β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TJA1083GTT | TJA1080GTT | TJA1083GTK |
|---|---|---|---|---|
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Protocol | FlexRay (ISO 17458-4:2013) | FlexRay (ISO 17458-4:2013) | FlexRay (ISO 17458-4:2013) | FlexRay (ISO 17458-4:2013) |
| Clamp Type | Clamp 15 (ignition-switched) | Clamp 15 | Non-Clamp-15 (always-powered node behavior) | Clamp 15 |
| Data Rate | 2.5 to 10 Mbit/s | 2.5 to 10 Mbit/s | 2.5 to 10 Mbit/s | 2.5 to 10 Mbit/s |
| Drivers/Receivers | 1/1 | 1/1 | 1/1 | 1/1 |
Key Differentiators
- Clamp 15 ignition-switched optimization (vs TJA1080GTT)
- JASPAR-compliant increased voltage amplitude transmitter (vs TJA1080GTT)
- Official ISO 17458-4:2013 compliance (vs Generic transceivers)
Design Notes
Match the clamp type to your power architecture before committing the schematic. The TJA1083G is a Clamp 15 transceiver designed for nodes that lose power when the ignition is switched off. If your ECU remains battery-powered with the vehicle off and relies on bus wakeup, the TJA1080 family is the appropriate choice instead. Substituting across clamp types can cause unexpected standby current draw or missed wakeup events, a common root cause of vehicle quiescent-current failures in development vehicles.
Route the BP/BM FlexRay bus pair as a tightly coupled differential pair (approximately 100 to 120 ohm differential impedance, matching the bus) from the transceiver to the connector, with length matching and a solid ground reference. Place the split termination and common-mode choke network close to the connector per the datasheet application schematic. Keep the controller-side TXD/RXD traces short and away from the bus pair to avoid digital coupling into the sensitive receive path.
Power the transceiver from an ignition-switched automotive-rail LDO (e.g., a TLE4-series regulator) so that VCC removal corresponds to Clamp 15 behavior. Decouple VCC with a 100 nF ceramic capacitor directly at the pin plus bulk capacitance per the datasheet recommendation. Verify power-up sequencing between VCC, the enable input, and bus attach in your system test: an under-voltage transceiver attached to an active bus can distort frames of other nodes on the shared channel.
Compliance Information
Compliance status not stated in the retrieved web data. Verify RoHS/REACH/lead-free status on the official NXP product page (nxp.com/part/TJA1083GTT) or packaging datasheet.
