Ultrasonic sensing subsystem reference design for gas flow measurement
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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Part Number
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Status
EVM430-FR6043
: MSP430FR6043 ultrasonic sensing evaluation module
$175.00(USD)
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TI Devices (10)
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Sample & Buy
Design Kits & Evaluation Modules
MSP430FR5041 16-MHz MCU with 32 KB FRAM, 12-bit high speed 8 MSPS sigma-delta ADC and integrated sensor AFE
Microcontrollers (MCU)
Not Available
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MSP430FR5043 16-MHz MCU with 64 KB FRAM, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE
Microcontrollers (MCU)
Sample & Buy View Design Kits & Evaluation Modules
MSP430FR50431 Ultrasonic Sensing MCU with 64KB FRAM, 12KB RAM, I2C Boot Loader for flow meters
Microcontrollers (MCU)
Not Available
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MSP430FR6041 16-MHz MCU with 32-KB FRAM, LCD, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE
Microcontrollers (MCU)
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MSP430FR6043 Ultrasonic Sensing MCU with 64KB FRAM, 12KB RAM, LCD for gas and water metering applications
Microcontrollers (MCU)
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MSP430FR60431 16-MHz MCU with 64-KB FRAM, LCD, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE
Microcontrollers (MCU)
Not Available
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OPA836 Very Low Power, Rail to Rail out, Negative Rail in, VFB Op Amp
Operational amplifiers (op amps)
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OPA838 1-mA, 300-MHz Gain Bandwidth, Voltage-Feedback Op Amp
Operational amplifiers (op amps)
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TPS22860 0.73-Ω, 5-V, ultra-low leakage load switch
Power switches
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TPS61240 5V, 400mA, 4MHz Step-Up DC/DC Converter
Step-up (boost) regulators
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CAD/CAE symbols
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Technical documentation See the Important Notice and Disclaimer covering reference designs and other TI resources.
Application note (4) Multiple Files
28 Oct 2020
PDF 2861
14 Oct 2020
PDF 2344
02 Oct 2020
PDF 1326
25 Sep 2020
User guide (1) Title Type Size (KB) Date PDF 4404
10 Jan 2019
Design files (6) 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
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