Automotive Capacitive Pressure Sensor Reference Design TIDA-00985 (ACTIVE)

Description & Features

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Key Document

Description

The TIDA-00985 reference design provides a simple, robust, and accurate sensor signal conditioning solution using the PGA400-Q1 for capacitive type pressure sensors. The protection strategies implemented in this design protect the pressure sensor against wiring harness faults, EMI, and automotive electrical transients. Additionally, this design guide systematically explains the theory, operation, and challenges involved in the design.

Features
  • Accuracy of 0.25% over temperature (-40°C to 125°C)
  • Second order temperature and linearity compensation algorithm
  • Form factor design of 18.6mm diameter
  • Protection against harness faults (over voltage and reverse polarity protection), broken wire detection
  • Meets ISO7637-3 requirements for transient pulses, tested for bulk current injection (BCI)-ISO11452-4

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
PGA400-Q1  Automotive programmable-sensor signal conditioner with microcontroller  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
PGA400-Q1 Download -

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3362 27 Mar 2017
Design files (6)
Title Type Size (KB) Date
PDF 536 27 Mar 2017
ZIP 247 27 Mar 2017
ZIP 457 27 Mar 2017
PDF 59 27 Mar 2017
PDF 87 27 Mar 2017
PDF 290 27 Mar 2017

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