Datasheet > TJA1081BTS,112

TJA1081BTS,112

更新时间： 2024-11-25 15:54:23

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恩智浦 - NXP		/
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TJA1081BTS,112 数据手册

TJA1081B

FlexRay node transceiver

Rev. 1 — 4 June 2012

Product data sheet

1. General description

The TJA1081B is a FlexRay node transceiver that is fully compliant with the FlexRay

electrical physical layer specification V3.0.1 (see Ref. 1). In order to meet the

JASPAR-specific requirements, it implements the ‘Bus driver increased voltage amplitude

transmitter’ functional class. It is primarily 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 TJA1081B features enhanced low-power modes, optimized for ECUs that are

permanently connected to the battery.

The TJA1081B 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 TJA1081B actively monitors system performance using dedicated error and status

information (that can be read by any microcontroller), along with internal voltage and

temperature monitoring.

The TJA1081B supports mode control as used in the TJA1080A (see Ref. 3) and is fully

function and footprint compatible with the TJA1081 (see Ref. 2).

2. Features and benefits

2.1 Optimized for time triggered communication systems

 Compliant with FlexRay electrical physical layer specification V3.0.1 (see Ref. 1)

 Meets JASPAR requirementsasdescribedinthe ‘Busdriverincreasedvoltage

amplitudetransmitter’functionalclass

 Automotive product qualification in accordance with AEC-Q100

 Data transfer rates from 2.5 Mbit/s to 10 Mbit/s

 Supports 60 ns minimum bit time at 400 mV differential input voltage

 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

 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_BAT, V_CCand V_IO

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