ESI + LDC Inductive Linear Position Sensing Reference Design TIDM-INDUCTIVELINEAR (ACTIVE)

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Key Document

Description

Typical implementations of linear position measurements use expensive rare-earth magnets. To lower the overall system cost, this reference design describes the implementation of using the industry’s first inductance-to-digital converters (LDC) from TI for linear position sensing without the use of any expensive rare-earth magnets. This reference design also describes the implementation of the ultra-low power two chip solution for inductive linear position sensors by using TI's extended scan interface (ESI) module on the MSP430(TM) microcontrollers (MCUs) and LDC1612 chip. By combining the ESI module on MSP430 MCU and the LDC technology, the reference design provides the designer a low-cost and low-power inductive linear position sensing solution.

Features
  • Ultra-low power
  • Non-contact detection and measurement
  • Insensitive to environmental contaminations
  • High resolution and accuracy
  • Increased Flexibility and Performance without requiring analog trimming techniques

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

MSP-EXP430FR6989 :
MSP430FR6989 LaunchPad Development Kit

$17.99(USD)


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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LDC1612  2-channel, 28-bit Inductance-to-Digital Converter with I2C for Inductive Sensing  Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR6989  MSP430FR6989 16 MHz ULP Microcontroller - 128 KB FRAM, 2KB SRAM, 83 IO, ADC12, LCD, AES, Scan IF  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LDC1612 Download
MSP430FR6989 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 7730 31 Dec 2015
Design files (5)
Title Type Size (KB) Date
ZIP 58 10 May 2016
ZIP 526 10 May 2016
ZIP 156 10 May 2016
PDF 54 10 May 2016
PDF 181 10 May 2016
Related Tools & Software

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
MSP430FR6989 LaunchPad Development Kit  MSP-EXP430FR6989  Evaluation Modules & Boards 

Software (1)



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