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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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Available on Lab on the Cloud - Use our PC-based GUI to instantly start configuring and testing.

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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)

Videos & Training

Sensor Signal Conditioning for Automotive

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

Transcript

My name is Maria Agalidis and I'm from Renesas Electronics. Today we’re going to talk about sensor signal conditioning.

The main challenge in the automotive world for sensors is to capture an analog signal and to convert it reliably into digital information for a microcontroller in the car.

Our SSCs (Sensor Signal Conditioning Devices) today are capturing pressure and temperature and convert it into precise information in the car. Despite the challenging environment like EMI, voltage drop, noise, our products are able to deliver accurately data.

Our demo is a clear example of sensor signal conditioning operating in a harsh environment like exhaust gas system. In this demo we can see two high temp probes and two pressure sensors that are controlling and monitoring the particle filter. The sensors are measuring the efficiency of the exhaust system and they are also sending diagnostics to the control unit. The ICs are dual channel solution and can serve two sensing probes.

This makes it a very cost efficient and flexible solution. That's why today all Tier1s are using SSC in different sections of the car.

Video List
Sensor Signal Conditioning for Automotive