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Automotive Sensor with CAN/LIN Interface

Overview

This system supports numerous automotive applications, including pressure monitoring (HVAC, oil) and position sensing (liquid levels). It offers a flexible, high-accuracy sensor system equipped with sensor signal conditioners (SSC), DC/DC, MCU, and LIN interface, ensuring reliable performance in diverse automotive environments.

System Benefits:

  • Simplifies SSC integration into car networks with CAN and LIN interfaces.
  • MCU extends SSC capabilities and reduces the processing load on the main ECU.
  • Features easy SSC setup using an existing communication board and user-friendly GUI software.
  • Offers a low-cost reference board add-on for the RL78/F1x Starter Kit.
  • Delivers enhanced system reliability and accuracy with high-precision SSCs.

Block Diagram

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AS-233 AS233 AS233 AS233 SSC SSC SSC Sensor Sensor Sensor CAN CAN CAN LIN LIN LIN I/O I/O I/O Sheet.125 12V Battery 12 V Battery 12 V Battery 12 V Battery 12 V Battery 12V Battery 12V Battery 12V Battery Connector Arrow Connector Arrow.135 Connector Arrow.139 Connector Arrow.141 Connector Line Connector Arrow.153 Connector double arrow Connector 1 SENT I2C SENT I2C SENT I2C Vehicle Network Vehicle Network VehicleNetwork Connector dotted double arrow Bi-directional Vertical Wire Bundle Label Text 10pt.1046 4 4 Sheet.178 Bi-directional.179 Vertical Wire Bundle.180 Label Text 10pt.1046 2 2 Sheet.182 Sheet.183 MCU MCU MCU I2C I2C I2C I2C I2C I2C CAN CAN CAN DC/DC DC/DC DC/DC

DC/DC

Buck Regulators (Integrated FETs)

MCU

RL78 Low-Power 8 & 16-Bit MCUs
RL78 Low-Power 8 & 16-Bit MCUs

SSC

Sensor Signal Conditioners (SSC/AFE)

LIN

Sensor Signal Conditioners (SSC/AFE)

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Renesas’ sensor signal conditioners (SSCs) are cost efficient and flexible solutions for automotive designs.