Overview
The TJA1081BTS,112, produced by NXP USA Inc., is a FlexRay node transceiver designed to meet the stringent requirements of automotive and industrial communication systems. It is fully compliant with the FlexRay electrical physical layer specification V3.0.1 and implements the ‘Bus driver increased voltage amplitude transmitter’ functional class as specified by JASPAR. This transceiver is optimized for time-triggered communication systems, supporting data transfer rates from 2.5 Mbit/s to 10 Mbit/s. It features advanced low-power modes, making it suitable for ECUs that are permanently connected to the battery.
Key Specifications
| Parameter | Specification |
|---|---|
| Data Transfer Rates | 2.5 Mbit/s to 10 Mbit/s |
| Minimum Bit Time | 60 ns at 400 mV differential input voltage |
| Electromagnetic Emissions (EME) | Very low, supporting unshielded cable |
| Electromagnetic Immunity (EMI) | High, meeting latest industry standards |
| Auto I/O Level Adaptation | Adapts to host controller supply voltage VIO |
| Operating Voltage | Can be used in 14 V, 24 V, and 48 V powered systems |
| Power Supply Range | VBAT: 4.75 V to 60 V |
| Package Type | SSOP16: plastic shrink small outline package; 16 leads; body width 5.3 mm |
| Operating Modes | Normal, Receive-only, Standby, Go-to-sleep, Sleep, PowerOff |
Key Features
- Compliant with FlexRay electrical physical layer specification V3.0.1 and JASPAR requirements
- Automotive product qualification in accordance with AEC-Q100
- Differential transmit and receive capability
- Enhanced low-power modes including inhibit switch, very low current in Sleep and Standby modes
- Local and remote wake-up capabilities
- Advanced supply monitoring of VBAT, VCC, and VIO
- Overtemperature detection and short-circuit detection on bus lines
- Excellent EMC performance and effective ESD protection
- Instant transmitter shut-down interface via BGE pin
Applications
The TJA1081BTS,112 is primarily used in automotive communication systems, particularly in FlexRay networks. It is suitable for various applications such as:
- Automotive ECUs (Electronic Control Units) for reliable communication
- Industrial automation for efficient control and monitoring
- Any system requiring high-speed, reliable, and fault-tolerant communication over FlexRay networks
Q & A
- What is the TJA1081BTS,112 used for?
The TJA1081BTS,112 is used as a FlexRay node transceiver in automotive and industrial communication systems. - What are the data transfer rates supported by the TJA1081BTS,112?
The TJA1081BTS,112 supports data transfer rates from 2.5 Mbit/s to 10 Mbit/s. - Is the TJA1081BTS,112 compliant with any specific standards?
Yes, it is fully compliant with the FlexRay electrical physical layer specification V3.0.1 and meets JASPAR requirements. - What are the low-power modes available in the TJA1081BTS,112?
The TJA1081BTS,112 features low-power modes including Standby, Go-to-sleep, and Sleep modes. - How does the TJA1081BTS,112 handle wake-up?
The TJA1081BTS,112 supports local and remote wake-up capabilities. - What kind of protection does the TJA1081BTS,112 offer?
The TJA1081BTS,112 offers excellent EMC performance and effective ESD protection. - Can the TJA1081BTS,112 be used in different voltage systems?
Yes, it can be used in 14 V, 24 V, and 48 V powered systems. - What is the operating voltage range for VBAT in the TJA1081BTS,112?
The VBAT operating range is from 4.75 V to 60 V. - Does the TJA1081BTS,112 support any specific automotive qualification?
Yes, it is qualified in accordance with AEC-Q100. - How does the TJA1081BTS,112 monitor system performance?
The TJA1081BTS,112 actively monitors system performance using dedicated error and status information, along with internal voltage and temperature monitoring.
