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Ultrasonic sensor water meter front-end reference design

TIDM-1019

Overview

This reference design helps designers develop an 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 256KB MSP430FR6047 microcontroller (MCU), with integrated high-speed, ADC-based, signal acquisition and an integrated low energy accelerator (LEA) to optimize digital signal processing.

characteristic

● Best-in-class metrology performance: 25-ps zero-flow drift (ZFD) and 32-ps single-shot standard deviation
● Low-power consumption: Approximately 2.5 μA with 1-MHz transducer at 1 measurement per second for metrology
● Flexibility to test different pipes and transducers; direct interface to pair of transducers
● Easy to test and customize using Ultrasonic Sensing Design Center graphical user interface (GUI)
● Ultrasonic sensing software library includes time of flight (ToF) algorithms
● Standalone demo using liquid-crystal display (LCD)

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Blockdiagram

Design Files

Documentation

Ultrasonic Sensing Subsystem Reference Design for Water Flow Measurement

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Update:2025-08-08 12:01:27

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