TIDA-00563
Inductive Proximity Switch BoosterPack Reference Design
TIDA-00563
Overview
TIDA-00563 offers highly-integrated analog front end (AFE) inductance-to-digital converters (LDCs) optimized for use in industrial proximity sensors for contactless and robust applications such as presence detection and event counting. Inductive sensing technology provides reliable and accurate sensing even in the presence on dirt, oil or moisture making them ideal for use in harsh or dirty environments. This reference design uses a 1.8-V to 3.3-V high-resolution, high-speed inductance-to-digital converter which provides a programmable decision threshold setting and wide sensor frequency range. The scope of this design is to give you a head start in integrating our LDC, ultra-low-power MCU and power management devices into end-equipment systems. This design guide for this reference design describes the principle of operation and basic design process for building a high performance and high reliable inductive proximity switch at lower cost. All the relevant design files like schematics, BOM, layer plots, Altium files, Gerber and MSP430 MCU firmware are provided.
Features
- Inductive sensing technology
- Non-contact detection of metallic targets at shorter ranges
- Increased flexibility and performance without requiring analog trimming techniques
- Operating distance: 6 mm and programmed for hysteresis of 1 mm
- Insensitive to environmental contamination
- More reliable operation sensor self-diagnostic
- Replaces legacy analog-only solutions
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDRJL5.PDF (493 K)
Detailed schematic diagram for design layout and components
TIDRJL6.PDF (51 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRJL7.PDF (177 K)
Detailed overview of design layout for component placement
TIDRJL9.ZIP (1436 K)
Files used for 3D models or 2D drawings of IC components
TIDCBM5.ZIP (2264 K)
Design file that contains information on physical board layer of design PCB
TIDRJL8.PDF (1125 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
ESD & surge protection ICs
TPD1E10B06 — 12-pF, ±5.5V, ±30-kV ESD protection diode in 0402 and SOD-523 package
Data sheetESD & surge protection ICs
TPD2E001 — Dual 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0
Data sheetInductive sensor AFEs
LDC1101 — 1-Ch, 1.8V, 24-bit L, 16-bit Rp, inductance to digital converter for high speed applications
Data sheetLinear & low-dropout (LDO) regulators
LP5951 — 150-mA, low-IQ, low-dropout voltage regulator with enable
Data sheetMSP430 microcontrollers
MSP430F5528 — 25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier
Data sheetStart development
Technical documentation
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| Type | Title | Date | |
|---|---|---|---|
| * | User guide | Inductive Proximity Switch BoosterPack Design Guide (Rev. A) | Dec. 09, 2015 |
Related design resources
Reference designs
REFERENCE DESIGN
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