TIDA-00463

Fluxgate Based Displacement Sensor Reference Design

TIDA-00463

Design files

Overview

The TIDA-00463 showcases a displacement sensor for linear distance measurements in a BoosterPack form factor for TI LaunchPad.  The design is suitable for any application where a distance measurement, even through non-magnetic materials, is needed and non-contact, wear-free measurements are required.  Through the use of magnetic fluxgate technology, this design is able to cover a wide measurement distance while achieving high resolution and accuracy.

Features
  • Measures 10cm distance, 1mm resolution, with a 6mm diameter NdFeB magnet(Hc>1350kA/m)
  • Able to detect the presence of the magnet up to 30cm
  • Common mode fields rejection
  • Temperature range: -40°C to 125°C
  • No temperature dependent: Max Temp Drift=100nT/°C

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUB46.PDF (1566 K)

Reference design overview and verified performance test data

TIDRJH6.PDF (241 K)

Detailed schematic diagram for design layout and components

TIDRJH7.PDF (85 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRJH8.PDF (169 K)

Detailed overview of design layout for component placement

TIDRJI0.ZIP (512 K)

Files used for 3D models or 2D drawings of IC components

TIDCBL6.ZIP (348 K)

Design file that contains information on physical board layer of design PCB

TIDRJH9.PDF (969 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS717150-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Precision ADCs (<=10MSPS)

ADS124824-Bit, 2kSPS, 8-Ch Delta-Sigma ADC for Precision Sensor Measurement

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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* Design guide Fluxgate Based Displacement Sensor Design Guide Jan. 22, 2016

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