TJA1081GTS/0Z NXP

TJA1081G FlexRay node transceiver Rev. 1 28 October 2016 Product data sheet 1. General description The TJA1081G is a FlexRay transceiver that is fully compliant with FlexRay electrical physical layer specification ISO 17458-4:2013 (see Ref. 1 and Ref. 2). It is intended for communication systems from 2.5 Mbit/s to 10 Mbit/s and provides an advanced interface between the protocol controller and the physical bus in a FlexRay network. The TJA1081G features enhanced low-power modes, optimized for ECUs that are permanently connected to the battery. The TJA1081G provides differential transmit capability to the network and differential receive capability to the FlexRay controller. It offers excellent EMC performance as well as effective ESD protection. The TJA1081G actively monitors system performance using dedicated error and status information (that any microcontroller can read), along with internal voltage and temperature monitoring. The TJA1081G supports mode control as used in the TJA1080A (see Ref. 3) and is fully functionally and pin compatible with the TJA1081B (see Ref. 4). 2. Features and benefits 2.1 Optimized for time triggered communication systems Compliant with ISO 17458-4:2013 (see Ref. 2) Automotive product qualification in accordance with AEC-Q100 Data transfer rates from 2.5 Mbit/s to 10 Mbit/s Very low ElectroMagnetic Emissions (EME) to support unshielded cable, meeting latest industry standards Differential receiver with wide common-mode range for high ElectroMagnetic Immunity (EMI), meeting latest industry standards Enhanced EMC performance compared with TJA1081B Auto I/O level adaptation to host controller supply voltage V IO Can be used in 14 V, 24 V and 48 V powered systems Instant transmitter shut-down interface (via BGE pin) Independent power supply ramp-up for V , V and V BAT CC IO 2.2 Low-power management Low-power management including inhibit switch Very low current in Sleep and Standby modesTJA1081G NXP Semiconductors FlexRay node transceiver V operating range: 4.75 V to 60 V BAT Gap-free specification Local and remote wake-up Supports remote wake-up via dedicated data frames Wake-up source recognition 2.3 Diagnosis (detection and signaling) Enhanced supply monitoring of V , V and V BAT CC IO Overtemperature detection Short-circuit detection on bus lines V power-on flag (first battery connection and cold start) BAT Clamping diagnosis on pin TXEN BGE status feedback 2.4 Protection Bus pins protected against 6 kV ESD pulses according to IEC 61000-4-2 and HBM Pins V and WAKE protected against 6 kV ESD pulses according to BAT IEC 61000-4-2 Bus pins protected against transients in automotive environment (according to ISO 7637 class C) Bus pins short-circuit proof to battery voltage (14 V, 24 V and 48 V) and ground Fail-silent behavior in the event of an undervoltage on pins V , V or V BAT CC IO Passive behavior of bus lines while the transceiver is not powered No reverse currents from the digital input pins to V or V when the transceiver is not IO CC powered 2.5 Functional classes according to FlexRay electrical physical layer specification (see Ref. 2) Bus driver voltage regulator control Bus driver - bus guardian interface Bus driver logic level adaptation Bus driver remote wake-up TJA1081G All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet Rev. 1 28 October 2016 2 of 46