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A current sensor is a tool or element that measures and keeps track of the electrical current that is passing through a wire or circuit. For many uses in electronics, power systems, and industrial processes, it offers information on the size and direction of the current. To ensure the safe and effective operation of electrical systems, current sensors are widely utilized in a variety of industries.
The current sensor accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The MLX91219 and MLX91218 next-generation current sensors were released by Melexis. These sensors are intended for applications involving automotive power conversion. They provide a number of advantages, including combined over-current detecting circuitry, excellent resolution, and optional 3.3V or 5V operation.
A typical hall current sensor is the MLX91219 model. Currents between 200A and more than 2000A can be determined using a ferromagnetic C-core. Currents between 200A and 2000A can be calculated using this sensor’s adjustable U-shield for crosstalk immunity.
For demanding automotive and industrial systems, Allegro MicroSystems, Inc., a leader in sensing and power solutions for motion control and energy-efficient systems, today unveiled a new coreless Hall-effect current sensor that offers higher accuracy and sensitivity, more fault detection options, and user programmability.
As the first family of truly coreless Hall sensing products in the market, Allegro’s new ACS37610 sensor joins the ACS37612 in measuring currents from 100 A to more than 4000 A flowing through a busbar or PCB trace with an average accuracy of 1% without the use of an external concentrator or U-shaped magnetic shield.
System designers can achieve increased efficiency and improved power density while lowering system complexity, BOM, cost, footprint, and weight thanks to these cutting-edge innovations.
For high-voltage traction motor inverters for electric vehicles, 48V/12V auxiliary inverters, heterogeneous redundant battery monitoring, overcurrent detection, smart fuses, power distribution units (PDUs), and power supply, the ACS37610 is the best option.
The sensor is perfect for safety-critical applications because to its 250 kHz bandwidth, dedicated overcurrent and overtemperature fault pins, and a variety of built-in diagnostics.
Due to the ACS37610’s sophisticated differential sensing technology, the signal-to-noise ratio (SNR) is 2.5 times better and the noise level is 2 times lower than that of the ACS37612. Superior resolution required for precise torque control is provided by the decreased noise, and versatile busbar and PCB designs are made possible by the sensor’s 4 greater sensitivity range.
