Ultrasonic sensing subsystem reference design for gas flow measurement

(ACTIVE) TIDM-02003

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Key Document

Description

This reference design helps designers develop an ultrasonic gas-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
  • Best-in-class metrology performance: +/-250ps zero flow drift (ZFD) and 500ps single-shot standard deviation (STD)
  • Low power consumption: <20 uA across 200-kHz to 500-kHz transducers with one set of comprehensive results per second 
  • ±1% flow accuracy up to 12,000 lph with dynamic range of 200:1
  • Three lph minimum detectable flow rate
  • Robust performance against variation of transducer characteristics over temperature

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Schematic/Block Diagram

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Design Files

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

EVM430-FR6043 :
MSP430FR6043 ultrasonic sensing evaluation module

$249.00(USD)


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TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430FR5041  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Not Available View Design Kits & Evaluation Modules
MSP430FR5043  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR50431  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Not Available View Design Kits & Evaluation Modules
MSP430FR6041  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Not Available View Design Kits & Evaluation Modules
MSP430FR6043  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR60431  Ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications  MSP430 ultra-low-power MCUs  Not Available View Design Kits & Evaluation Modules
OPA836  Very Low Power, Rail to Rail out, Negative Rail in, VFB Op Amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
OPA838  1-mA, 300-MHz Gain Bandwidth, Voltage-Feedback Op Amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TPS22860  TPS22860 Ultra-low leakage load switch   Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS61240  5V, 400mA, 4MHz Step-Up DC/DC Converter  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430FR5041 Download
MSP430FR5043 Download Download
Download -
MSP430FR50431 Download
MSP430FR6041 Download
MSP430FR6043 Download Download
MSP430FR60431 Download
OPA836 Download Download
Download -
OPA838 Download
Download
Download Download
TPS22860 Download Download
TPS61240 Download Download
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
PDF 4404 10 Jan 2019
Design files (6)
Title Abstract Type Size (KB) Date
ZIP 3555 24 Jan 2019
ZIP 2694 24 Jan 2019
PDF 3249 24 Jan 2019
PDF 531 24 Jan 2019
PDF 80 24 Jan 2019
PDF 670 24 Jan 2019
Related Tools & Software

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
MSP430FR6043 ultrasonic sensing evaluation module  EVM430-FR6043  Evaluation Modules & Boards 

Software (1)

Name Part Number Software Type
MSP430 MCUs Ultrasonic Sensing Design Center  MSP-ULTRASONIC-DESIGN-CENTER  Software Libraries 


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