Current Sensor Companies

The global current sensor market is expected to grow from USD 3.24 billion in 2025 to USD 5.41 billion in 2030 at a CAGR of 10.8% during the forecast period. Current sensors play a crucial role in maximizing power generation, transmission, and distribution, and improving system efficiency and stability. The increasing use of battery-based systems and the increasing demand for renewable energy are the driving growth of the current sensor market. In addition, growing adoption of EVs, HEVs, and BESS has raised the demand for accurate current measurement to facilitate effective power management and protection. Solar and wind power installations have also heightened the demand for current sensors in grid equipment and energy conversion equipment. Additionally, growing energy regulations and sensor accuracy and miniaturization technology are driving their adoption across industries.

Some of the major players in the current sensor market with significant global presence include Asahi Kasei Corporation (Japan), Infineon Technologies AG (Germany), Allegro MicroSystems, Inc. (US), LEM International SA (Switzerland), and TDK Corporation (Japan). These players have incorporated various organic and inorganic growth strategies including collaborations, acquisitions, product launches, partnerships, collaborations, and expansions to strengthen their international footprint and capture a greater share in the hardware security modules market. These organic and inorganic strategies have allowed the market players to expand themselves across geographies by offering current sensors.

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Major Current Sensor companies include:

• Asahi Kasei Corporation (Japan)
• Infineon Technologies AG (Germany)
• Allegro MicroSystems, Inc. (US)
• LEM International SA (Switzerland)
• TDK 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 October 2023, TDK Corporation and LEM International SA announced a collaboration to develop nextgeneration integrated current sensors (ICS) utilizing Tunnel Magnetoresistance (TMR) technology. TDK will design custom TMR dies, which LEM will integrate into their ICS products. This collaboration aims to create sensors that are faster, more accurate, and exhibit lower noise than existing solutions, targeting applications in the automotive electrification, renewable energy, and industrial sectors.

Asahi Kasei Corporation is a Japanese multinational corporation with diversified interests in chemicals, materials, healthcare, and electronics. Under the electronics division, its unit Asahi Kasei Microdevices (AKM) deals in high-tech semiconductor technology products like audio devices, magnetic sensors, and power management ICs. The company has established a strong sensor business through the development of high-performance sensing solutions for automotive, industrial, and consumer applications. Asahi Kasei makes a considerable contribution to the current sensor market with its high-precision Hall-effect and magnetic current sensors, which provide stable and accurate current measurement. These sensors are used extensively in electric vehicles (EVs), hybrid vehicles, industrial motor control, and power supply applications, promoting energy efficiency and safety. The firm regularly invests in R&D for optimizing the performance of its magnetic sensors in terms of miniaturization, enhanced sensitivity, and power saving. in 2023, the company invested USD 0.71 billion R&D. In view of growing demand for electrification and intelligent energy solutions, Asahi Kasei is building next-generation power electronics and battery management system-supporting sensor portfolios.

Infineon Technologies AG is a German semiconductor leader offering power management, security, and microcontroller solutions to various industries such as automotive, industrial, and consumer electronics. With an emphasis on energy efficiency, Infineon has been a leader in the creation of semiconductor-based current sensing solutions that improve power system performance. The firm is strongly involved in the sensor market now with its portfolio of Hall-effect, coreless, and magnetic current sensors that are designed to meet the stringent requirements of electric mobility, industrial automation, and renewable energy applications. Infineon's sensors are highly accurate, have rapid response time, and are thermally stable, making them applicable to battery management systems (BMS), motor control, and high-power inverters. With the rate of adoption of electric vehicles increasing, Infineon is constantly enhancing its current sensing technologies and using them in advanced power semiconductor modules and smart power devices. In May 2023, Infineon Technologies AG (Germany) acquired Swedish startup Imagimob (Sweden) to boost the TinyML edge AI capabilities of its microcontrollers and sensors. The company is also using its GaN and SiC technologies know-how to develop energy-efficient solutions for optimal power conversion and distribution, making it a formidable player in the current sensor market.

Market Ranking

The current sensor market is moderately competitive, with five key players collectively holding approximately 33%-43% of the total market share. Asahi Kasei Corporation leads the way with its good experience in magnetic sensing technologies such as Hall-effect and TMR sensors, which are extensively used in automotive and industrial applications. Infineon Technologies AG also paces the industry in high-precision, low-energy current sensing solutions, specifically power electronics and renewable energy uses. Allegro MicroSystems paces the industry in developing current sensor ICs that are rugged for EVs, motor control systems, and industrial control driving its leadership in growing markets. LEM International SA is well-placed in power conversion current sense for battery data monitoring use cases with leading presence in smart grid and renewable energy solutions. TDK Corporation is supported by technological innovation in miniature current sensing technologies and automotive systems and consumer device magnetic sensor technology. Market position also looks at a company's capacity to build strategic alliances, global distribution networks, and technology differentiation, constructing competitive dominance in the emerging current sensor market. The remaining 57%-67% is distributed among regional and emerging players, contributing to market fragmentation and creating opportunities for smaller companies to gain a foothold. Competition in the market is fueled by advancements in sensing technology, increasing demand for accurate current measurement in electric vehicles and renewable energy systems, and growing adoption of smart grid infrastructure and industrial automation solutions.

Related Reports:

Current Sensor Market by Measurement (Less than 10A, 10-100A, Above 100A), Offering (Isolated, Non-isolated), Technology (Hall-effect, AMR, GMR, TMR, Flux Gate, Current Sensing Amplifier, Opto-isolated and Shunt Isolated OP Amp) - Global Forecast to 2030

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