Magnetic Current Sensor Market

The global magnetic current sensor market is projected to grow from USD 1.98 billion in 2025 to USD 3.51 billion by 2030, at a CAGR of 12.1%. The magnetic current sensor market is witnessing robust growth, driven by the rising adoption of battery-powered systems and the growing emphasis on renewable energy, both of which require precise and dependable current monitoring. Hall-effect current sensors are gaining significant traction due to their non-intrusive operation, high accuracy, and cost-effectiveness. The consumer electronics sector is fueling demand as the need for compact, energy-efficient sensing solutions increases. Market opportunities are expanding with the surge in networked devices, rising production of hybrid and electric vehicles, and continuous advancements in sensor miniaturization, enabling wider integration in smart and space-constrained technologies.

Some major players in the magnetic current sensor market with a significant geographical presence include Allegro MicroSystems, Inc. (US), Infineon Technologies AG (Germany), TDK Corporation (Japan), Asahi Kasei Corporation (Japan), LEM International SA (Switzerland), Melexis (Belgium), and Honeywell International Inc. (US). These players have incorporated various organic and inorganic strategies, including collaborations, product launches, and partnerships, to strengthen their geographical footprint and capture a more significant share of the magnetic current sensor market. These organic and inorganic strategies have allowed these market players to expand across geographies by offering magnetic current sensors.

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Major Magnetic Current Sensor Companies Include:

• Allegro MicroSystems, Inc. (US)
• Infineon Technologies AG (Germany)
• TDK Corporation (Japan)
• Asahi Kasei Corporation (Japan)
• LEM International SA (Switzerland)
• Melexis (Belgium)
• TAMURA Corporation (Japan)

In January 2025, Allegro MicroSystems introduced two new current sensor ICs, the ACS37030MY and ACS37220MZ, designed for precise current sensing in compact, durable packages. These sensors offer a 40% smaller footprint compared to existing 16-pin packages, providing higher isolation and lower resistance to reduce power dissipation.

In February 2024, Asahi Kasei Microdevices (AKM) launched a CZ39 series of coreless current sensors designed for electric vehicle (EV) applications. These sensors facilitate smaller, lighter, and more precise on-board charging systems in EVs.

Allegro MicroSystems, Inc. (US) is a prominent semiconductor company specializing in the design and development of magnetic sensor ICs and power analog ICs. The company focuses on providing advanced sensing and power solutions for automotive and industrial applications, with a strong emphasis on electrification, automation, and energy efficiency. Its product portfolio includes Hall-effect and TMR-based current sensors, motor drivers, regulators, and position sensors. Allegro serves a broad customer base globally, supporting innovation in electric vehicles, clean energy infrastructure, factory automation, and data center power systems.

Asahi Kasei Corporation (Japan) is a diversified technology group with a strong presence in the electronics segment through its subsidiary Asahi Kasei Microdevices (AKM). AKM develops high-performance magnetic sensing solutions, including Hall elements, Hall ICs, magnetometers, and electronic compasses. These sensors are widely used in automotive systems, smartphones, wearable devices, and other consumer electronics. The company integrates its expertise in materials science and semiconductor design to deliver compact, energy-efficient sensors that support the advancement of smart and connected technologies across multiple industries.

Market Ranking

The magnetic current sensor market is characterized by intense competition and continuous technological advancement, with leading players such as Allegro MicroSystems, Inc., Infineon Technologies AG, TDK Corporation, Asahi Kasei Corporation, and LEM International SA holding prominent positions. Allegro MicroSystems is a market leader known for its deep expertise in Hall-effect and TMR sensor technologies, catering to a wide range of high-growth applications, including electric vehicles and industrial automation. Infineon leverages its broad semiconductor portfolio and system-level integration capabilities to deliver high-precision magnetic sensing solutions tailored for power management and automotive systems. TDK brings strength in miniaturized sensor components and materials engineering, supporting demand in consumer electronics, industrial control, and renewable energy. Asahi Kasei, through its microdevice division, excels in compact and energy-efficient magnetic sensors for mobile devices and automotive electronics, underpinned by its advanced compound semiconductor technologies. LEM International SA stands out with its specialization in high-accuracy current transducers, serving critical power and energy infrastructure segments. Collectively, these companies drive innovation, reliability, and performance across the magnetic current sensor landscape, shaping global trends and enabling next-generation electronic systems.

Related Reports:

Magnetic Current Sensor Market by Type (Hall-effect, Flux Gate, Anisotropic Magnetoresistance, Giant Magnetoresistance, Tunnel Magnetoresistance), Loop Type (Open-loop, Closed-loop), Industry (Renewable, Photovoltaic) - Global Forecast to 2030

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