OnSemiNCV7381单路FlexRay总线驱动解决方案.docx

On Semi NCV7381单路FlexRay总线驱动解决方案On Semi 公司的NCV7381是单路FlexRay总线驱动器,和FlexRay电物理层指标Rev.3.0.1兼容,通信速度高达10Mbps,在有线的FlexRay通信中提供差分通信媒界,具有极好的EMC和ESD性能,工作温度?40°C 到+125°C,符合汽车级质量标准.本文介绍了NCV7381主要特性,框图和应用框图,FlexRay总线驱动器应用电路图以及NCV7381 APP V2评估板主要特性,框图,电路图,元件清单和PCB布局图.NCV7381 is a single?channel FlexRay bus driver compliant with the FlexRay Electrical Physical Layer Specification Rev. 3.0.1, capable of communicating at speeds of up to 10 Mbit/s. It provides differential transmit and receive capability between a wired FlexRay communication medium on one side and a protocol controller and a host on the other side. NCV7381 mode control functionality is optimized for nodes permanently connected to car battery.It offers excellent EMC and ESD performance.NCV7381主要特性:General? Compliant with FlexRay Electrical Physical Layer Specification Rev 3.0.1? FlexRay Transmitter and Receiver in Normal?power Modes for Communication up to 10 Mbit/s? Support of 60 ns Bit Time? FlexRay Low?power Mode Receiver for Remote Wakeup Detection? Excellent Electromagnetic Susceptibility (EMS) Level over Full Frequency Range. Very Low Electromagnetic Emissions (EME)? Bus Pins Protected against 10 kV System ESD Pulses? Safe Behavior under Missing Supply or No Supply Conditions? Interface Pins for a Protocol Controller and a Host (TxD, RxD, TxEN, RxEN, STBN, BGE, EN, ERRN)? INH Output for Control of External Regulators? Local Wakeup Pin WAKE? TxEN Time?out? BGE Feedback? Supply Pins VBAT, VCC, VIO with Independent Voltage Ramp Up:? VBAT Supply Parametrical Range from 5.5 V to 50 V? VCC Supply Parametrical Range from 4.75 V to 5.25 V? VIO Supply Parametrical Range from 2.3 V to 5.25 V? Compatible with 14 V and 28 V Systems? Operating Ambient Temperature ?40°C to +125°C (TAMB_Class1)? Junction Temperature Monitoring with Two Levels? SSOP?16 PackageFlexRay Functional Classes? Bus Driver Voltage Regulator Control? Bus Driver – Bus Guardian Interface? Bus Driver Logic Level Adaptation? Bus Driver Remote Wakeup Qualit