Historically, inductive sensing technique has required complex, analog-only circuitry, making it a costly technique for applications outside of industrial controls or portable metal detectors. To provide a low cost inductive sensing solution for designers, this reference design describes the implementation of the ultra-low power single chip solution for inductive proximity sensor by using TI Extended Scan Interface module on MSP430 microcontrollers. This reference design also uses three different LC sensors to demonstrate the compatibility of ESI module and calibration routine with different type and size of inductors
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Complete listing of design components, reference designators, and manufacturers/part numbers
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Detailed schematic diagram for design layout and components
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Inductive Proximity Sensing Design Guide | Sep 10, 2015 | |
| Technical article | Did you know inductive proximity sensing can be implemented with a single chip? | PDF | HTML | Apr 25, 2016 |
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