Gas meter
Products and reference designs
Gas meter
Overview
Our integrated circuits and reference designs for gas meters help you minimize energy consumption and maximize measurement accuracy. Both ultrasonic and traditional diaphragm meters benefit from the low-current consumption and integration that extend battery life and reduce system cost.
Design requirements
- Ultrasonic flow measurement with the lowest energy consumption.
- Wireless communications with sensitivity and range to assure connectivity.
- Intelligent power management to maximize efficiency and battery life beyond 10 years.
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Block diagram
Find products and reference designs for your system.
Rotary gas meter
DC/DC power supply
Power management (18)
AC/DC & DC/DC converters (integrated FET)
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TPS61094—60-nA quiescent current boost converter with supercap management
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TPS62840—60-nA quiescent current (IQ), 1.8-V to 6.5-VIN, high-efficiency 750-mA step-down converter
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TPS63900—1.8-V to 5.5-V, 75-nA IQ buck-boost converter with input current limit and Dynamic Voltage Scaling
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TPS560430—SIMPLE SWITCHER® 36-V, 600-mA Buck Regulator With High-Efficiency Sleep Mode
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TPS61030—1.8Vin, 4-A Switch, 96% Efficient Boost Converter w/20µA Iq in TSSOP-16
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TPS61240—2.3-V to 5.5-V input range, 3.5-MHz fixed frequency 450-mA boost converter
Linear & low-dropout (LDO) regulators
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TPS7A02—200mA, nanopower-IQ (25 nA), low-dropout (LDO) voltage regulator with enable
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TPS731—150-mA, high-accuracy, ultra-low-dropout voltage regulator with reverse current protection & enable
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UA78L—100-mA 30-V linear voltage regulator
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TPS796—1-A, low-dropout voltage regulator with enable
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TPS782—150-mA, nano-IQ, low-dropout voltage regulator with enable from -40°C to +125°C
USB power switches & charging port controllers
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TPS2552D—0.075-1.7A adj. ILIMIT 2.5-6.5V 85mΩ USB power switch, active-low, reverse blocking, multip
eFuses & hot swap controllers
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TPS2595—2.7-V to 18-V, 34mΩ, 0.5-4A eFuse with over voltage protection in small WSON package
Load switches
MOSFETs
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CSD23280F3—-12-V, P channel NexFET™ power MOSFET, single LGA 0.6 mm x 0.7 mm, 116 mOhm, gate ESD protection
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CSD23285F5—-12-V, P channel NexFET™ power MOSFET, single LGA 0.8 mm x 1.5 mm, 35 mOhm, gate ESD protection
Battery management ICs (1)
Battery fuel gauges
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BQ35100—Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor
Amplifiers (3)
General-purpose op amps
Analog current-sense amplifiers
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INA216—1.8 to 5.5V, high-precision current sense amplifier in wcsp
Data converters (2)
Precision ADCs
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TIDA-00676—Power Solution for Battery Operated Meters With 30-dBm wM-Bus at 169 MHz Reference Design
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TIDA-01546—Battery and System Health Monitoring of Battery Powered Smart Flow Meters Reference Design
Technical documentation
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