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Electric Power Steering System

Overview

Electric power steering (EPS) is a crucial automotive application that demands the highest level of functional safety - Automotive Safety Integrity Level D (ASIL-D). This comprehensive system meets these stringent safety standards through a combination of an MCU and a power management IC (PMIC), both specifically optimized for ASIL-D systems.

System Benefits:

  • The high-end automotive MCU features a variety of integrated safety elements designed for chassis systems meeting ASIL-D requirements.
  • The PMIC, designed for this MCU, offers extensive fault diagnosis and monitoring functions, supporting ASIL-D systems while reducing system bill-of-material costs and conserving PCB space.
  • The proven combination of MCU and PMIC reduces R&D costs and time, enabling a faster time-to-market.

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AS231 AS231 AS231 AS231 Steering Wheel 1 Handle Angle .342 Steering Wheel Steering Wheel Steering Wheel Steering Wheel 12V Battery 12V Battery 12V Battery 12V Battery 12V Battery 12V Battery 12V Battery 12V Battery 12V Battery Connector Line Connector Line.142 Connector Line.143 Connector Line.144 Connector Arrow Connector Line.146 Connector Line.147 Connector Line.149 Connector Line.150 Connector Line.151 Connector Line.152 Connector Arrow.154 Connector Arrow.155 Connector Line.158 Connector double arrow Connector Line.163 Motor Current Motor Current Motor Current BLDC Motor BLDC Motor BLDC Motor Steering Wheel Steering Wheel SteeringWheel PMIC PMIC PMIC MCU MCU MCU Pre-Driver Pre-Driver Pre-Driver PMOS ANL2/ANL3 PMOS ANL2/ANL3 PMOSANL2/ANL3 BLDC Motor BLDC Motor Sheet.139 M M Sensor I/F Sensor I/F Sensor I/F Resolver Resolver Resolver CAN Transceiver CAN Transceiver CAN Transceiver Engine / Brake / Gateway Engine / Brake / Gateway Engine / Brake / Gateway Torque Sensor Torque Sensor Torque Sensor Connector Line.167

PMIC

Multi-Channel Power Management ICs (PMICs)

MCU

RH850 Automotive MCUs

PMOS ANL2/ANL3

Power MOSFETs

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