LDC0851EVM - High Accuracy Inductive Switch with Stacked Coils Evaluation Module


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The LDC0851 evaluation module demonstrates inductive sensing technology to accurately detect the presence of a conductive target passing a fixed threshold. The evaluation module includes a perforated and interchangeable 4-layer PCB where both the sensing coil and reference coil are stacted for reduced system size. The presence of a conductive object passing the fixed threshold is indicated by a green LED; therefore, no MCU or GUI is required. Adjust the resistive potentiometer to switch the threshold easily for flexibility and quick system prototyping.

Evaluation steps

Step 1: Purchase the LDC0851EVM

Step 2: Download the LDC0851EVM user's guide and quick start guide

Step 3: Download and view the recommended additional content

Step 4: Visit our E2E inductive sensing FAQ support forum to ask questions about the principles of inductive sensing and key applications and join the conversation about the principles of inductive sensing with other engineers

  • 1.8V - 3.3 V operating voltage
  • Includes a stacked coil for rapid prototyping
  • Push/Pull output
  • Adjustable switching distance threshold for evaluating a wide variety of use cases
  • No GUI or MCU required
  • Temperature and other environmental variation compensated by matching sense and reference coils
  • USB Cable

Inductive sensor AFEs
LDC0851 Differential inductive switch for MCU-less applications

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Evaluation board

LDC0851EVM – LDC0851EVM - High Accuracy Inductive Switch with Stacked Coils Evaluation Module

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Calculation tool

Inductive Sensing Design Calculator Tool (Rev. G) – SLYC137G.ZIP (3737KB)

TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

LDC0851EVM Design File SNOR012.ZIP (4697 KB)

Technical documentation

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Type Title Date
* User guide LDC0851EVM User's Guide (Rev. A) Jul. 30, 2017
Application note LDC0851 Quick-Start Guide (Rev. A) Feb. 07, 2020
Certificate LDC0851EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Certificate LDC0851EVM Declaration of Conformity (DoC) (Rev. A) Oct. 19, 2018
Technical article Inductive sensing: reliably detect faults in circuit breakers using contactless inductive switches Jan. 17, 2017
Technical article Inductive sensing: make your proximity-switch applications as easy as 1, 2, 3 with WEBENCH Dec. 13, 2016
Technical article Inductive sensing: prototype side-by-side coils in four easy steps Jul. 25, 2016
Data sheet LDC0851 Differential Inductive Switch datasheet (Rev. A) Jan. 16, 2016

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