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TIDM-02005

Optimized ultrasonic sensing metrology reference design for water flow measurement

Design files

TIDM-02005

Design files

Overview

This reference design helps designers develop a cost optimized ultrasonic water-metering subsystem using an integrated, ultrasonic sensing solution (USS) module, which provides superior metrology performance with low-power consumption and maximum integration. The design is based on the 64KB MSP430FR6043 microcontroller (MCU), with integrated high-speed, ADC-based, signal acquisition and an integrated low energy accelerator (LEA) to optimize digital signal processing.

Features

This reference design helps designers develop a cost optimized ultrasonic water-metering subsystem using an integrated, ultrasonic sensing solution (USS) module, which provides superior metrology performance with low-power consumption and maximum integration. The design is based on the 64KB MSP430FR6043 microcontroller (MCU), with integrated high-speed, ADC-based, signal acquisition and an integrated low energy accelerator (LEA) to optimize digital signal processing.
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Design files & products

Design files

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

download Design guide — TIDM-02005
PDF | HTML
TIDUES5A.PDF (7031 K)

Reference design overview and verified performance test data

download Schematic — TIDM-02005
TIDM112.PDF (669 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDM-02005
TIDM113.PDF (77 K)

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

download Assembly drawing — TIDM-02005
TIDM114.PDF (539 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDM-02005
TIDM116.ZIP (2671 K)

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

download Gerber file — TIDM-02005
TIDCFK9.ZIP (1201 K)

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

download PCB layout — TIDM-02005
TIDM115.PDF (3249 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430FR6043 — Ultrasonic Sensing MCU with 64KB FRAM, 12KB RAM, LCD for gas and water metering applications

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS61240 — 2.3-V to 5.5-V input range, 3.5-MHz fixed frequency 450-mA boost converter

Data sheet: PDF | HTML
Analog switches & muxes

TS5A9411 — 5-V, 2:1 (SPDT), 1-channel general-purpose analog switch (6-pin SC70)

Data sheet: PDF | HTML
High-speed op amps (GBW ≥ 50 MHz)

OPA836 — Very Low Power, Rail to Rail out, Negative Rail in, VFB Op Amp

Data sheet: PDF
High-speed op amps (GBW ≥ 50 MHz)

OPA838 — 1mA, 300MHz gain bandwidth, voltage-feedback operational amplifier

Data sheet: PDF | HTML
Load switches

TPS22860 — 0.73-Ω, 5-V, ultra-low leakage load switch

Data sheet: PDF | HTML

Start development

Hardware

Evaluation board

EVM430-FR6043 — MSP430FR6043 ultrasonic sensing evaluation module

The EVM430-FR6043 evaluation kit is a development platform that can be used to evaluate the performance of the MSP430FR6043 for ultrasonic sensing applications (e.g. Smart Gas Meters). The MSP430FR6043 MCU is an ultra-low-power MCU that integrates an ultrasonic sensing analog front end (USS) for (...)
User guide: PDF
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Technical documentation

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Type Title Date
* Design guide Optimized Ultrasonic Sensing Metrology Water Flow Measurement Reference Design (Rev. A) PDF | HTML Sep. 26, 2019
Application note USS Water Flow Rate Calibration Oct. 09, 2020
Application note Liquid Concentration Sensing Oct. 09, 2020
Application note Ultrasonic Surface Sensing Sep. 25, 2020
Application note Ultrasonic Leak Detection Sep. 23, 2020

Related design resources

Software development

DRIVER OR LIBRARY
MSP-ULTRASONIC-DESIGN-CENTER — MSP430 MCUs Ultrasonic Sensing Design Center

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