Current sensors have a wide range of applications and the global market continues to grow

A current sensor is a detection device that detects current information, converts it into electrical signals that meet certain standards or other signals that can be analyzed, and performs operations such as transmitting, storing, and displaying these signals.

Current measurement can meet current monitoring, control, analysis and other requirements. For example, during the use of power supply, it is necessary to monitor the current, activate automatic protection devices in time when overcurrent, overvoltage, etc. occur, or help realize intelligent control to avoid equipment damage. In addition, current monitoring is equally important during the power supply technology upgrade process. Therefore, power supply technology using current sensors has gradually become a development trend.

Current sensors generally have the characteristics of high sensitivity, high temperature stability, strong anti-interference, and low power consumption. They can realize power measurement and current control, thereby monitoring energy systems and protecting power systems. According to different principles, current sensors can be divided into several categories such as electromagnetic current transformers, electronic current transformers, and fiber optic current sensors. Among them, the electronic current transformer sub-product Hall current sensor is the mainstream of the market, with demand accounting for than more than 50%.

Current sensors can be widely used in electronics, home appliances, new energy vehicles, new energy power generation, smart grids, industrial equipment, medical equipment and other fields. Among them, in the field of new energy vehicles, current sensors are indispensable and are widely used in battery management systems BMS, current distribution units PDU, motor controllers, on-board chargers OBC, DCDC converters, charging piles, etc.; in the field of medical equipment , many devices need to accurately control the current passing through the device to ensure patient safety and device safety, and high-precision current sensors are required.

According to the "2023-2028 China Current Sensor Industry Market In-depth Research and Development Prospects Forecast Report", with the continuous expansion of application fields and the continuous advancement of downstream industry technology, the performance of current sensors continues to upgrade, and the market development space continues to increase. In 2022, the global current sensor market will be approximately 18.9 billion yuan; it is expected that the global current sensor market will grow at a compound annual growth rate of approximately 8.1% from 2022 to 2028, and the market size will reach 30.2 billion yuan by 2028.

Industry analysts said that after continuous development, the number of current sensor manufacturers in my country is increasing. However, my country still has deficiencies in the development of high-precision current sensors, and there is still room for greater progress in the industry in the future.

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