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瑞萨电子 (Renesas Electronics Corporation)

电子机械制动(EMB)故障保护系统

概述

描述

电子机械制动(EMB)系统包含一个智能轮端执行器(WEA),其将执行器控制单元(ACU)、PMSM/BLDC 电机、功率转换机构、传动机构和制动卡钳整合到了一个紧凑的机电一体化子系统中。 在收到驻车制动请求或行车制动命令时,执行器会产生必要的制动夹紧力,以实现所需的制动扭矩。

ACU 基于 MCU 构建并集成了多个符合 ASIL 标准的器件与 MCAL 软件,从而实现可满足 ASIL 标准的故障保护架构。 冗余通信接口提升了功能安全性和系统可用性,而集成式电机控制则实现了在正常运行和故障条件下的精确制动操作。

系统优势:

  • 通过符合 ASIL 标准的瑞萨电子器件、MCAL 软件驱动程序和已实现的安全目标,为满足 ASIL D 标准做好准备。
  • 通过为 12V、24V 和 48V 系统提供通用栅极驱动器以及适用于 40V、60V 和 80V REXFET TSC/BSC 封装的通用尺寸,减少重新设计平台的工作量。

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该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。
WS203-1:WEBConnector Line.1365Connector Line.1368Connector Line.1360Connector Line.1376Dynamic connectorLineLine.1411Connector Line.1192Connector Line.1194Connector Line.1366Connector Line.1367Line.1493Line Dotted Arrow.1476WS203WS203WS203Tri component non RenesasComponent block.745Component block.631CAN + Ethernet with Wake-UpCAN + Ethernet with Wake-UpCAN + Ethernetwith Wake-UpBLDC MotorSquare.40Inductor.10Sheet.1504Sheet.1505Sheet.1506Inductor.14Sheet.1508Sheet.1509Sheet.1510Inductor.18Sheet.1512Sheet.1513Sheet.1514Dynamic connectorDynamic connector.27Dynamic connector.25SquareSheet.1519Square.41Sheet.1521Sheet.1522Sheet.1523Connector Line.1364Connector Line.1377Connector Line.1387Fail-Safe OutputFail-Safe OutputFail-Safe OutputPhase Cutoff SwitchPhase Cutoff SwitchPhase Cutoff SwitchReverse Polarity Protection with Supply Cutoff SwitchReverse Polarity Protection with Supply Cutoff SwitchReverse Polarity Protection with Supply Cutoff SwitchDotted Line.1396Dotted Line.1397Dotted Line.1398Dotted Line.1399Wheel End Actuator (Fail-Safe Architecture)Wheel End Actuator (Fail-Safe Architecture)Wheel End Actuator (Fail-Safe Architecture)Connector Line.1402Connected signals line.145812/24/48V Battery Supply12/24/48V Battery Supply12/24/48V Battery SupplyDiode.1462Sheet.1650Sheet.1651Sheet.1652Line.1470Line.1473Line Dotted Arrow.1474Line Dotted Arrow.1475Dotted Line.1477INHINHINHLine Dotted Arrow.1479Line Dotted Arrow.1480Dotted Line.1481Line.1487ENENENENENENLine.1495Connector Line.1361Line.1676Line.1677MOSFETs:
48V: REXFET 80V, 1.60-3.5mΩ
24V: REXFET 60V, 1.08-2.5mΩ
12V: REXFET 40V, 0.50-2.0mΩMOSFETs: 48V: REXFET 80V, 1.60-3.5mΩ 24V: REXFET 60V, 1.08-2....MOSFETs:48V: REXFET 80V, 1.60-3.5mΩ24V: REXFET 60V, 1.08-2.5mΩ12V: REXFET 40V, 0.50-2.0mΩWheel Speed SensorWheel Speed SensorWheel Speed SensorA-ECU/MCU/ZCUA-ECU/MCU/ZCUA-ECU/MCU/ZCUForce SensorForce SensorForce SensorBrake PedalBrake PedalBrake Pedal 24/48V to 12V DC/DC24/48V to 12V DC/DC24/48V to 12V DC/DCGate driverGate DriverGate DriverPMICPMICPMICInductive Position SensorInductive Position SensorInductive Position SensorCurrent-Controlled Solenoid DriverCurrent-Controlled Solenoid DriverCurrent-Controlled Solenoid DriverPark SolenoidPark SolenoidPark Solenoid3-Phase Gate Driver3-Phase Gate Driver3-Phase Gate DriverSheet.1685MCUMCUMCUSPISPISPIADCADCADCPWMPWMPWMSPISPISPIADC 3ADC 2ADC 2.136ADCADCADCSENTSENTSENTADCADCADCGPIOGPIOGPIOEthernetEthernetEthernetPeripheral DualGPIO .477CANCANCANPWMPWMPWMSheet.1686Component block.745Component block.631MOSFETMOSFETMOSFETSheet.1452N-Channel Depletion MOSFET.1203Sheet.1454Sheet.1455Sheet.1456Sheet.1457Sheet.1458Sheet.1459Sheet.1460Sheet.1461Sheet.1462Sheet.1463Sheet.1464Sheet.1465Connect.50Sheet.1467Sheet.1468Sheet.1469N-Channel Depletion MOSFET.1220Sheet.1471Sheet.1472Sheet.1473Sheet.1474Sheet.1475Sheet.1476Sheet.1477Sheet.1478Sheet.1479Sheet.1480Sheet.1481Sheet.1482Connect.50Sheet.1484Sheet.1485Sheet.1486ShuntSheet.1488Sheet.1489Sheet.1490Ground - Earth.1241Sheet.1492Sheet.1493Sheet.1494Sheet.1495LineLine.1671RshuntRshuntRshuntDotted Line.1674Dotted Line.1675Dotted Line.1678MOSFETMOSFETMOSFETDotted Line.1679Line Dotted Arrow.1673Sheet.1687MOSFETMOSFETMOSFETN-Channel Depletion MOSFET.1283Sheet.1525Sheet.1526Sheet.1527Sheet.1528Sheet.1529Sheet.1530Sheet.1531Sheet.1532Sheet.1533Sheet.1534Sheet.1535Sheet.1536Connect.50Sheet.1538Sheet.1539Sheet.1540N-Channel Depletion MOSFET.1300Sheet.1542Sheet.1543Sheet.1544Sheet.1545Sheet.1546Sheet.1547Sheet.1548Sheet.1549Sheet.1550Sheet.1551Sheet.1552Sheet.1553Connect.50Sheet.1555Sheet.1556Sheet.1557N-Channel Depletion MOSFET.1317Sheet.1559Sheet.1560Sheet.1561Sheet.1562Sheet.1563Sheet.1564Sheet.1565Sheet.1566Sheet.1567Sheet.1568Sheet.1569Sheet.1570Connect.50Sheet.1572Sheet.1573Sheet.1574Connector Line.1337Connector Line.1338Connector Line.1339Connector Line.1334Connector Line.1335Connector Line.1336Sheet.1688MOSFETMOSFETMOSFETSheet.1612N-Channel Depletion MOSFET.1420Sheet.1614Sheet.1615Sheet.1616Sheet.1617Sheet.1618Sheet.1619Sheet.1620Sheet.1621Sheet.1622Sheet.1623Sheet.1624Sheet.1625Connect.50Sheet.1627Sheet.1628Sheet.1629N-Channel Depletion MOSFET.1107Sheet.1631Sheet.1632Sheet.1633Sheet.1634Sheet.1635Sheet.1636Sheet.1637Sheet.1638Sheet.1639Sheet.1640Sheet.1641Sheet.1642Connect.50Sheet.1644Sheet.1645Sheet.1646Line.1669Line.1670
Exiting Interactive Block Diagram

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