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Current Sensor

Current sensing ICs reduce power loss with lower internal resistance

January 9, 2025 By Redding Traiger

Allegro MicroSystems, Inc. announced the launch of two new current sensor ICs – the ACS37030MY and the ACS37220MZ. Leveraging Allegro’s cutting-edge sensing technology, these ICs provide low internal conductor resistance, high operating bandwidth, and reliable performance across a wide range of automotive, industrial, and consumer applications. Allegro’s new current sensor ICs are designed for precise […]

Filed Under: Automotive, CES 2025, Consumer, Current Sensor, Hall Effect, Industrial, Sensors Tagged With: allegromicrosystems

Coreless current sensor achieves 2 μs response time for EV applications

November 21, 2024 By Redding Traiger

Melexis unveils the MLX91235, a new current sensor that eliminates the need for a ferromagnetic core. The MLX91235 expands Melexis’ portfolio, enabling the measurement of larger currents flowing through external primary conductors like PCB traces and busbars. It supports automotive and alternative mobility applications like inverters, battery management systems (BMSs), and low-voltage DC-DC converters. Power […]

Filed Under: Automotive, Current Sensor, EV Engineering, Sensors Tagged With: Melexis

Current sensors offer compact design and enhanced integration

July 31, 2024 By Redding Traiger

Molex has announced the Percept Current Sensors, designed to meet the demand for precise busbar current sensing in industrial and automotive applications. These sensors incorporate Infineon’s coreless current sensors and Molex’s proprietary electronics packaging technology, resulting in smaller, lighter devices that simplify installation and system integration. The Percept Current Sensors feature a compact, coreless design and […]

Filed Under: Automotive, Current Sensor, Industrial, Sensors Tagged With: molex

How current sensing impacts electric vehicles: part 2

February 26, 2024 By Randy Frank

Part 1 of this blog addressed current shunts and Hall-effect sensor designs. This part discusses current transformers and new technology options, such as magnetoresistance and diamond quantum sensors. One of the significant issues in today’s electric vehicles (EVs) is the ongoing evolution of technology, with the standards evolving as well. In the 100+ years that […]

Filed Under: Automotive, Current Sensor, EV Engineering, Featured, Frequently Asked Question (FAQ) Tagged With: TDK

How current sensing impacts electric vehicles: part 1

February 22, 2024 By Randy Frank

The need to transition from gasoline and diesel (fossil fuels) powered vehicles to electric vehicles (EVs) to reduce carbon dioxide levels has revealed many controversial issues. Common issues include implementation timing, required infrastructure (including fast-charging multi-vehicle systems), legislated rather than consumer-based adoption, ongoing system enhancements, and new critical raw materials sources. Current sensing technology is […]

Filed Under: Applications, Automotive, Current Sensor, Featured, Frequently Asked Question (FAQ) Tagged With: research reports world

Current sensors and current shunt monitors for common-mode voltages and temperatures

September 8, 2023 By Redding Traiger

Texas Instruments debuted new current sensors to help engineers simplify their designs while improving accuracy. Designed for a broad range of common-mode voltages and temperatures, the new products include a lowest-drift isolated Hall-effect current sensor for high-voltage systems and a portfolio of current shunt monitors that eliminate the need for an external shunt resistor for […]

Filed Under: Current Sensor, Sensors Tagged With: texasinstruments

ON/OFF current sensor from Carlo Gavazzi

April 28, 2021 By Mike Santora

Carlo-Gavazzi-current-sensor-product-shot

CARLO GAVAZZI has announced the addition of a compact ON/OFF current sensor, which is ideal for monitoring of critical loads such as fans, water pumps, lighting, and motors. The EISH Series can detect current as low as 200 mA AC and up to 60 Amps AC, making it optimal for applications in a variety of […]

Filed Under: Current Sensor Tagged With: carlogavazzi

4 to 20 mA current loops made easy

December 2, 2020 By Aimee Kalnoskas

by Edward E. Herceg, VP and CTO, Alliance Sensors Group For analog sensor data transmission, a 4-20 mA current loop is a very common method to convey the sensor data acquired. Sensors or transducers are usually designed to measure a range of values of the measured parameter, which is known as the measurand. The measurand […]

Filed Under: Current Sensor, Featured, Frequently Asked Question (FAQ), Other Tagged With: FAQ

Electronics that operate in extreme heat to 800°C

November 2, 2020 By Jeff Shepard

Extreme environments require electronic systems capable of surviving beyond the MIL-STD operating temperature range of -55°C to +125°C. This FAQ series will go to extremes and look at super hot electronics (up to 800°C) and cryogenic electronics. Part one of this series looks at electronics that operate in extreme heat. Part two will look at […]

Filed Under: Current Sensor, Featured, Frequently Asked Question (FAQ), Other Tagged With: FAQ

Kelvin 4-Wire sensing solves the “IR Drop” problem

August 20, 2020 By Bill Schweber

Novice engineers usually don’t learn about this problem and its solution in school, but “practicing” ones learn about it soon enough! Problem: I need to determine the change in resistance of a low-resistance sensor located many meters away. My plan was simply to apply a known voltage across the thin-wire sensor leads and measure the […]

Filed Under: Current Sensor, Featured, Frequently Asked Question (FAQ), Other Tagged With: FAQ

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