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TIDM-NFC-WATERMTR

Zero Standby Power NFC for Flow Meter Designs Reference Design

Design files

TIDM-NFC-WATERMTR

Design files

Overview

This reference design demonstrates adding Near Field Communications (NFC) capability to flow meters. The NFC interface transponder provides data-exchange capability between flow meters and NFC readers and is compliant to ISO14443B. The transponder used in this design consumes no power while waiting to be energized by a RF field generated by the NFC reader. In addition, this design can be powered by harvesting the energy from the RF field generated by the NFC readers. These two approaches minimize the power-consumption impact to the flow meters.

Features
  • Provide NFC function for flow-meter designs
  • Zero standby power for the NFC function
  • NFC reader provides power to the NFC chip for communication
  • Minimize impact on power consumption to the host
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Design files & products

Design files

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

download Design guide — TIDM-NFC-WATERMTR
TIDUAL2.PDF (1301 K)

Reference design overview and verified performance test data

download Schematic — TIDM-NFC-WATERMTR
TIDRI83.ZIP (570 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDM-NFC-WATERMTR
TIDRI84.ZIP (177 K)

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

download CAD/CAE symbol — TIDM-NFC-WATERMTR
TIDRI86.ZIP (892 K)

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

download Gerber file — TIDM-NFC-WATERMTR
TIDCB86.ZIP (234 K)

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

download PCB layout — TIDM-NFC-WATERMTR
TIDRI85.ZIP (308 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430FR6989 — Rotary Sensing MCU with extended scan interface, 128KB FRAM, AES, LCD for flow meters

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS782 — 150-mA, nano-IQ, low-dropout voltage regulator with enable from -40°C to +125°C

Data sheet: PDF | HTML
Other wireless products

RF430CL330H — Dynamic Dual Interface NFC Transponder

Data sheet: PDF | HTML

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Hardware

Evaluation board

EVM430-FR6989 — MSP430FR6989 evaluation module for extended scan interface (ESI) enabled ultra-low power MCU

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Software

Technical documentation

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Type Title Date
* Design guide Zero Standby Power NFC for Flow Meter Designs Design Guide Sep. 24, 2015

Related design resources

Reference designs

REFERENCE DESIGN
TIDM-LC-WATERMTR — Water Meter Reference Design for two LC Sensors, Using Extended Scan Interface (ESI)

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