MICROCONTROLLERS FOR ULTRASONIC FLOW METERS

Mouser Electronics stocks the MSP430FR504x ultrasonic sensing microcontrollers from Texas Instruments. Part of the MSP430 ultrasonic sensing microcontroller family, these powerful and highly integrated devices are designed for measuring flow in ultrasonic water, heat and gas meters, and flow transmitters.

They integrate an ultrasonic sensing solution (USS_A) module that provides high accuracy for a wide range of flow rates. They can measure a maximum water flow rate of 8.8kL/hour, achieving ±1 per cent accuracy with a wide dynamic range of 500 to 1, and a maximum gas flow rate of 12kL/hour, with ±1 per cent accuracy and a wide dynamic range of 200 to 1. The microcontrollers also offer optimised ultra-low-power modes such as active mode, standby mode with real-time clock, and shutdown.

They integrate Texas’s ferroelectric RAM (FRAM) and a holistic ultra-low-power MSP system architecture, allowing system designers to increase performance while lowering energy consumption. They are supported by an extensive MSP430 FRAM hardware and software ecosystem with thousands of existing software libraries, reference designs, application notes and driver framework to simplify development across the portfolio.

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