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2002-09-13 Varian obtains beam current sensor patent
Varian Semiconductor Equipment Associates Inc. has been issued U.S. Patent No. 6,403,972 for its "Methods and Apparatus for Alignment of Ion Beam Systems Using Beam Current Sensors."
2010-01-06 Tiny AC current sensor replaces big transformers
The family of current sensors provide a reliable, cost-effective alternative to transformers for today's power delivery systems
2007-12-03 Reimagine current sensors in switch mode power apps
Basic technology is applied in a novel way to create an AC current sensor that outperforms traditional sensing methods.
2011-02-08 Premo releases Hall Effect 1kA current sensor
Intended for PV and wind inverter manufacturers, Premo's close-loop 1kA Hall Effect sensor delivers high accuracy and linearity, and promises to keep values as low as 0.1 percent
2007-03-17 Pair Rogowski coils, rejustors to measure current
Rogowski coils perform passive current measurement and are used in test and measurement devices and power-monitoring activities. Calibration is required to account for manufacturing variations in the coil and to provide uniform device-to-device sensitivity
2008-12-04 Optically isolated modulator gauges motor phase current
Avago Technologies has developed an optically isolated sigma-delta modulator that uses an external clock to provide direct measurement of motor phase currents in power inverters.
2013-06-10 NREL develops more intelligent occupancy sensor
A new occupancy detection technology is not only able to determine if there is human presence in a room but also how many people are there and if they are moving.
2014-01-28 Novel current sensors harvest wasted electromagnetic energy
A research team at HKPU developed a chip that enables detection of magnetic fields generated by electricity and a linear conversion of these magnetic fields into electrical voltage signals.
2015-06-12 Microchip debuts combined analogue, digital current sensor
The PAC1921 claims to be the world's first high-side current sensor with both a digital output and a configurable analogue output that can present power, current or voltage over the single output pin.
2010-02-09 Metering ICs pack isolated current sensors
Teridian Semiconductor is sampling its fourth generation residential smart metering ICs that feature digitally isolated current sensors based on the company's proprietary MicroDAA isolation technology
2007-03-12 Low-DCR inductors target current-sensing apps
Vishay Intertechnology has launched a series of low-profile, high-current inductors with a 3 percent DCR tolerance for current-sensing applications
2010-11-29 IMC-Hall, contactless current sensor is custom programmable
Melexis' MLX91206 is a customer programmable monolithic Sensor IC offering the Triaxis Hall technology. The MLX91206 allows the user to construct small, economical current sensor solutions with quick response times.
2016-04-07 High-accuracy, current sensor supports high voltage isolation
The ACS724KMA and ACS725KMA from Allegro are geared for industrial, commercial and communication systems that require very high voltage isolation, but not for automotive applications.
2008-04-11 Hall-effect current sensor suits 50-100A apps
Enhanced accuracy and speed make Allegro's Hall-effect current sensor suitable for a variety of 50-100A applications.
2002-09-16 Datong Hall effect sensor responds within 75s
The DTA series of Hall effect sensors responds within 75s and is used to directly measure ac, dc, and pulse currents in telecom power supplies and rectifiers.
2007-05-29 Current transducer has four measurement ranges
LEM S.A. has expanded its current transducer family with the addition of the HMS model that operate from a single 5V power supply
2006-12-22 Current sensors roll for automotive apps
LEM S.A. has launched a family of current sensors for automotive battery-monitoring applications
2006-12-21 Current sensors promise accuracy, lower noise
Allegro's new current sensors promise lower noise and higher accuracy than previous-generation current sensors
2002-04-08 Current sensing for energy metering
This article describes how a digital integrator can be used to convert the di/dt signal output from Rogowski coil current sensor to an appropriate signal and how it can be combined for a high-current energy meter.
2002-06-16 Current sensing for energy metering
This technical article discusses how a digital integrator can be used to condition a signal output from a Rogowski coil current sensor to an appropriate level for high-current energy meter applications.
2007-02-12 Current sense amps promise high precision
Linear Technology's LTC6103 contains two independent, high side current sense amplifiers with high precision and response time
2007-02-15 Current sense amp touts 'exceptional' flexibility
Linear Technology's LTC6104 current sense amplifier is suitable for bidirectional operation and promises exceptional flexibility via gain programmability for each current sense direction
2015-01-15 Boost device performance with sensor fusion
Sensor fusion is a creative engineering technique that combines sensor data from various system sensors to guarantee more accurate, complete and dependable sensor signals or derived sensory information
2002-10-01 Allegro current sensor detects 1100A
Allegro MicroSystems' ACS750ECA-100 open-loop current sensor is capable of detecting 1100A up to 850C.
2007-08-16 AC current sensors trim board space
Silicon Laboratories has introduced tiny low-loss, high-accuracy AC current sensors that can trim board space by up to 75 percent
2003-02-21 3Mpixel CMOS sensor touts CCD quality
IC Media Corp. is sampling a single-chip 3Mpixel CMOS image sensor for use in mainstream digital still and video camera designs
2008-02-06 First' 1.4?m; 5Mpixel image sensor rolls for handsets
Eastman Kodak Co. has introduced the KAC-05020 image sensor, claimed to be the first 1.4?, 5MP device, combining Kodak's Color Filter Pattern technology with a new CMOS pixel
2011-05-23 Zytronic extends capabilities of touch sensor tech
Zytronic has developed a new range of sensors that employs deposited tracks of transparent ITO as the sensing medium to complement the present product sensor range which uses copper strand electrodes
2009-05-27 Zero-drift instrumentation amplifier (IA) takes the strain out of sensor measurements
This article examines the use of instrumentation amplifiers (IAs) for sensor applications. It highlights system challenges and implementation choices, describes new architectures for IC IAs, and outlines applications such as ratiometric bridges and low-side current sensing.
2008-06-20 Wireless sensor nets hunt for full 'killer' apps
Wireless sensor networks (WSNs) are not being fully utilized in commercial markets due to the lack of a 'killer application' to drive interest. Because of this, a 10-month study was commissioned to examine technology developments in WSNs
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