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TIDA-01228

Low-Power Water Flow Measurement With Inductive Sensing Reference Design

Design files

TIDA-01228

Design files

Overview

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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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

download Design guide — TIDA-01228
TIDUD25A.PDF (2151 K)

Reference design overview and verified performance test data

download Schematic — TIDA-01228
TIDRRE4.PDF (145 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-01228
TIDRRE5.PDF (64 K)

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

download Assembly drawing — TIDA-01228
TIDRRE6.PDF (117 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-01228
TIDRRE8.ZIP (327 K)

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

download Gerber file — TIDA-01228
TIDCDJ5.ZIP (486 K)

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

download PCB layout — TIDA-01228
TIDRRE7.PDF (471 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MOSFETs

CSD23280F3 — -12-V, P channel NexFET™ power MOSFET, single LGA 0.6 mm x 0.7 mm, 116 mOhm, gate ESD protection

Data sheet: PDF | HTML
MOSFETs

CSD23285F5 — -12-V, P channel NexFET™ power MOSFET, single LGA 0.8 mm x 1.5 mm, 35 mOhm, gate ESD protection

Data sheet: PDF | HTML
Sub-1 GHz wireless MCUs

CC1310 — SimpleLink™ 32-bit Arm Cortex-M3 Sub-1 GHz wireless MCU with 128kB Flash

Data sheet: PDF | HTML
Sub-1 GHz wireless MCUs

CC1350 — SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol Sub-1 GHz & 2.4 GHz wireless MCU with 128kB Flash

Data sheet: PDF | HTML

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Software

Design tools & simulation

Simulation model

TIDA-01228 Simulation Files — TIDM055.ZIP (434 K)

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Technical documentation

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Type Title Date
* Design guide Low-Power Water Flow Measurement With Inductive Sensing Reference Design (Rev. A) Sep. 22, 2017
White paper 그리드를 현대화하여 연결, 안정성 및 보안 강화 (Rev. B) PDF | HTML Apr. 19, 2023
White paper 將電網現代化，使其更緊密連接、更可靠且更安全 (Rev. B) PDF | HTML Apr. 19, 2023
White paper Modernizing the Grid to Make it More Connected, Reliable and Secure (Rev. B) PDF | HTML Mar. 23, 2023

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