Low-Power Water Flow Measurement With Inductive Sensing Reference Design

(ACTIVE) TIDA-01228

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Key Document

Description

This reference design demonstrates a highly-integrated solution for this application using an inductive sensing technique enabled by the CC1350 SimpleLink™ Wireless MCU and FemtoFET™ MOSFET. This reference design also provides the platform for integration of wireless communications such as wireless M-Bus, Sigfox™, or a proprietary protocol. Water utility providers who wish to add Automatic Meter Reading (AMR) capability face the choice of replacing all of their existing meters or installing a simple electronic add-on module, which will accurately measure the water flow rate and wirelessly transmit the results. Such add-on modules can provide the least expensive solution to provide AMR features to consumers. 

Features
  • Meets measurement accuracy requirements of ISO4064-1:2014-11 (Class 1)
  • Accurate measurement at a distance of 4.2 mm to a wheel (11mm diameter)
  • Accurate flow measurement as low as 11.25 liters per hour
  • Consumes only 4µA with 12Hz sampling rate
  • Support ISM bands in 431 to 527MHz and 861 to 1054MHz range plus Bluetooth® Low Energy at 2.4GHz

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC1310  SimpleLink Sub-1 GHz Ultra-Low Power Wireless Microcontroller  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC1350  SimpleLink Ultra-Low Power Dual Band Wireless Microcontroller  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CSD23280F3  12 V P-Channel FemtoFET MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD23285F5  12V P-Channel FemtoFET MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC1310 Download Download
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CC1350 Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2151 22 Sep 2017 249
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 486 19 Jun 2017 2
ZIP 327 19 Jun 2017 24
PDF 471 19 Jun 2017 23
PDF 117 19 Jun 2017 18
PDF 64 19 Jun 2017 45
PDF 145 19 Jun 2017 138
Related Tools & Software

Reference Designs  ( 2 )

Software (1)


  • TIDA-01228
    (ZIP, 7646 KB)    38 views, 19 Jun 2017

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