Magnetic sensors, the ubiquitous cornerstone of perception.
Magnetic sensors are core components that detect magnetic fields and their variations, converting them into electrical signals. They feature multiple detection functions, including switch, position, angle, speed, and current sensing, and are widely used in automotive, industrial, consumer electronics, and medical fields.
In automobiles, from window lifting and seat adjustment to phase current detection in electric drive systems and wheel speed sensing, magnetic sensors are ubiquitous; in the industrial sector, current monitoring in photovoltaic and energy storage systems and angle feedback in servo motors are inseparable from them; in consumer electronics, smartphone electronic compasses, gamepad joysticks, and security camera gimbals also rely on magnetic sensors to achieve position and motion perception.
According to data from the international market research firm Yole Group, the global magnetic sensor market size was approximately USD 3.3 billion in 2025 and is expected to grow to about USD 4.3 billion by 2031. The automotive sector is the largest and most dynamic application market, followed by the industrial sector. Humanoid robots represent a significant emerging growth opportunity, while the consumer electronics and medical markets also maintain steady development.
NOVOSENSE Ranks Fourth Globally and First in China in Shipments
According to statistics from Yole Group, in the global magnetic sensor market in 2025, overseas manufacturers held an absolute dominant position in both revenue and shipment volume, capturing the vast majority of the market share.
Notably, the domestic enterprise NOVOSENSE accounted for approximately 8% of the global market share in magnetic sensor shipments in 2025. Its shipment volume ranked fourth globally and first among domestic local manufacturers, primarily benefiting from its diversified magnetic sensor product portfolio targeting automotive, consumer electronics, and medical applications.
NOVOSENSE is a System on Chip (SoC) manufacturer, with magnetic sensors being one of its key business focuses. Over the past few years, NOVOSENSE's magnetic sensor business has maintained rapid growth, with cumulative shipments exceeding 2 billion units to date, including over 1 billion units shipped in 2025 alone. During its business development, NOVOSENSE also carried out industrial integration, completing the full acquisition of the Chinese magnetic sensor chip manufacturer MagnTek at the end of 2024. As product, technology, and market resources from both sides are gradually integrated, NOVOSENSE's magnetic sensor business continues to achieve substantial growth in 2025 and 2026.
In recent years, domestic local manufacturers represented by NOVOSENSE have covered almost all major technology routes and application markets, and are accelerating their layout in emerging technology fields such as TMR. Yole Group believes that as high-growth segments like TMR and current sensors continue to expand, Chinese manufacturers are expected to further enhance their market influence in the coming years and may capture more market share from other suppliers.
Four New Products Launched Around Core Growth Points
On July 29, 2026, NOVOSENSE jointly held the "Global Magnetic Sensor Market and Technology Trends Sharing & NOVOSENSE Magnetic Sensor New Product Launch Event" with Yole Group. At this event, NOVOSENSE released four new magnetic sensor products focusing on three main directions: high-voltage current detection, motion control, and smart terminal perception.
NSM2051: Ultra-Wide Body Integrated Current Sensor for 2000V High-Voltage Platforms
As large-scale photovoltaic and energy storage systems accelerate their transition to 2000V platforms, system requirements for isolation, accuracy, and reliability have further increased. The NSM2051 adopts a 15mm ultra-wide creepage distance package, providing 2800VDC/2000Vrms basic insulation withstand voltage, meeting the insulation design requirements of 2000V high-voltage bus systems, and offering a higher safety isolation level for high-voltage systems.
Meanwhile, the product provides a 7500V withstand isolation voltage, a maximum 12kV surge isolation withstand voltage, and a maximum 13kA surge current capability. This effectively enhances system safety under complex conditions such as lightning strikes and grid surges, reduces the risk of insulation failure, and meets stricter international safety regulations, helping customers expand into global markets.
Xie Ben, Magnetic Sensor Market Director at NOVOSENSE, stated: "Traditional solutions mainly use current sensor modules, which are bulky, mostly use through-hole mounting, cannot be directly SMT mounted, and have relatively high overall component and BOM costs. The NSM2051 provides an alternative to some large-sized, expensive current sensor modules through a compact, cost-effective PCB mounting solution, and collaborates with leading customers to further develop cost-effective system solutions. The most prominent advantage of this product is its innovative package design and 15mm creepage distance; it can be described as a product designed for future high-voltage platforms."
NSM2025: High-Linearity Current Sensor with Integrated Flux Concentrator, Perfecting the U-shield Solution
The NSM2025 adopts an integrated U-shaped flux concentrator structure, converting vertical magnetic fields into horizontal magnetic fields detectable by the chip. It can be directly mounted on the main control board to complete current detection in scenarios such as electric drive systems. The product's full-temperature accuracy reaches approximately 1.5%, with a signal bandwidth of about 270 kHz, a typical response time of 2μs, and an operating temperature range of −40°C to 150°C.
This product is suitable for applications such as New Energy Vehicle (NEV) motor inverters, photovoltaic inverters, BMS, switching power supplies, and overcurrent detection. In different current detection structures such as C-core, U-shaped flux concentrator, and coreless designs, customers can choose based on current range, installation space, anti-interference capability, and cost requirements.
NSM350x: Hall Dual-Track Magnetic Encoder, Breaking Through Motion Control Accuracy and Installation Boundaries
In recent years, applications such as robotics, industrial automation, and smart equipment have developed rapidly, making high-precision angle detection a crucial foundation for improving motion control performance. Especially as robot joints evolve towards miniaturization, high degrees of freedom, and hollow structures, encoders not only need higher detection accuracy but also must accommodate installation space, structural flexibility, and long-term reliability.
The NSM350x is the first domestic off-axis single-turn absolute magnetic encoder based on the Hall dual-track vernier algorithm. The motor shaft or reducer shaft can pass through the center of the magnetic ring without occupying the axial space, making it particularly suitable for hollow wiring and installation space-constrained structures in robot joints.
The NSM350x series offers multiple magnetic pole pitch configurations, with the NSM3500, NSM3501, and NSM3502 corresponding to1.28mm, 1.5mm, and 2mm magnetic pole pitch vernier magnetic rings, respectively.
Additionally, the product is compatible with 16, 32, and 64 pole pair outer track designs, meeting the application needs of robot joint modules and industrial control systems of various sizes.
In terms of performance, the NSM350x uses a differential Hall structure to enhance immunity to stray magnetic fields, with an absolute angle resolution of up to 22bit. Through simple self-calibration, typical accuracy can reach ±0.3°; through constant-speed self-calibration, accuracy can be further optimized to ±0.1°, helping customers achieve a flexible balance between calibration efficiency and detection accuracy.
Xie Ben stated: "With the release of the NSM350x series, NOVOSENSE has become the first domestic chip company to possess encoder products with dual-track vernier algorithms based on both magnetic induction and eddy current induction technology routes, further covering applications such as robot joints, industrial servos, and linear motors."
NSM903x: 3-Axis Magnetic Field Position Sensor, Expanding the Perception Boundaries of Smart Terminals
The NSM903x is a 3-axis linear position sensor utilizing 3D Hall technology. By integrating planar and vertical Hall elements, it can simultaneously output magnetic induction intensities in the X, Y, and Z directions. The chip integrates CORDIC operations to complete 360° angle calculation and supports 3D or angle switch modes.
The product supports low-power operating modes, interrupt functions, and an I²C interface, with optional magnetic field ranges covering ±400—2400 Gs. It is suitable for detecting spatial magnetic fields, such as the movement of gamepad joysticks in 3D space, and can also calculate the α angle in the XY plane and the β angle in the XZ plane.
Additionally, the NSM903x can be used in smart wearable devices, crowns, position switches, and compact structures with limited space, providing a cost-effective 3-axis position and angle detection solution for applications that do not require high-precision encoders.
Comprehensive Product Portfolio and Diversified Technology Platforms
The above four new products are just the tip of the iceberg of NOVOSENSE's magnetic sensor product matrix. Relying on years of technological accumulation and industrial integration advantages, NOVOSENSE has built a comprehensive magnetic sensor product matrix that precisely covers core application scenarios, while establishing a diversified technology platform to lay a solid foundation for product iteration and market expansion.
NOVOSENSE's magnetic sensors focus primarily on three major application markets: automotive, industrial, and consumer electronics. In the automotive field, products can be used in body, thermal management, powertrain, and chassis systems, covering applications from body position detection such as seats and sunroofs to OBC/DC-DC current detection, electric drive system phase current detection, and wheel speed sensing; in the industrial field, products are widely used in current detection for energy infrastructure such as photovoltaic energy storage and charging piles, as well as angle and position feedback in scenarios like servo systems and robot joints; in the consumer electronics field, products cover white goods, smart homes, and wearable devices, applied in terminals such as security camera gimbals, gamepad joysticks, and smart crowns.
From an overall product portfolio perspective, NOVOSENSE's magnetic sensor products are mainly divided into six categories: switches and latches, current sensors, angle encoders, linear position sensors, speed sensors, and sensor signal conditioning chips.
Switches and Latches: Switches and latches mainly output logic states such as high and low levels. Their functions are relatively basic, but their application range is very broad. NOVOSENSE has deployed rich technology routes in this category, covering Hall and xMR technologies, where xMR includes AMR and TMR. From the perspective of product functions and interface types, it can provide three-wire and two-wire interface products, covering different needs such as single output, dual output (speed signal plus direction signal output), and multi-axis detection. Automotive applications include seats, sunroofs, tailgates, pump control, and seatbelt buckles; industrial and consumer applications include home appliance control, door magnetic detection, liquid level detection, and smart device status detection.
Current Sensors: Current sensors are one of NOVOSENSE's fastest-growing product series in recent years. According to product form and application methods, NOVOSENSE provides two main product directions: integrated current sensors and linear current sensors, covering applications such as NEV power and electric drive systems, photovoltaic energy storage, and industrial high-power power supply systems. Integrated current sensors use built-in current-carrying conductors to detect current flowing through the chip via PCB mounting, with measurement ranges covering several amperes to hundreds of amperes, up to ±400 A; linear current sensors can be paired with C-core, U-shaped flux concentrator, or coreless structures (such as slotted current-carrying copper bars), suitable for current sensor modules, electric drive systems, and other high-current detection scenarios.
Angle Encoders: NOVOSENSE provides diversified technology choices in the field of angle detection, covering planar Hall, 3D Hall, AMR, and inductive routes. Among them, planar Hall encoders can be used for on-axis or off-axis angle detection; 3D Hall encoders can simultaneously sense magnetic field changes in the X, Y, and Z directions and complete angle calculation internally within the chip; by integrating MagnTek's technological accumulation, product capabilities, and market experience in the xMR magnetic encoder field, NOVOSENSE has further improved its AMR product layout and will continue to launch more products based on this foundation. Related products target both automotive and industrial markets: in the automotive field, they can be used for position and angle detection of valves, motors, shifters, and vehicle height; in the industrial field, they are mainly used for position and angle feedback in motors, servo systems, robot joints, and various motion mechanisms.
Linear Position Sensors: Linear position sensors mainly target high-volume application markets such as consumer electronics and smart terminals, for example, gimbals, gamepad joysticks, crowns, and smart wearable devices. It also has automotive-grade product series for linear position detection scenarios such as automotive seats and execution systems.
Speed Sensors: In terms of speed sensors, NOVOSENSE has launched a complete automotive wheel speed sensor product series based on AMR technology, compatible with different wheel speed sensor protocols, mainly applied in ABS systems. Typically, each wheel of a vehicle requires one to two wheel speed sensors, representing a very large market prospect.
Sensor Signal Conditioning Chips: The signal chain is one of NOVOSENSE's long-term accumulated technology directions. For different magnetic sensitive units such as Hall, AMR, and TMR, it can provide sensor signal conditioning chips with functions such as signal amplification and temperature compensation.
While improving its product layout, NOVOSENSE continues to delve into technological R&D, building a magnetic sensing technology platform with coordinated development of multiple technology routes to adapt to different scenario needs with diversified technological advantages.
NOVOSENSE has formed a magnetic sensing technology platform covering multiple principles including Hall, xMR, inductive, and fluxgate. Different technology routes are not simply substitutive but complementary, catering to different requirements for accuracy, cost, installation structure, and environmental adaptability.
Hall technology is the most mature. Based on silicon-based Hall, NOVOSENSE has launched multiple products such as switches, current sensors, and angle sensors. Planar Hall can detect magnetic fields perpendicular to the chip surface, and after integrating a nickel-iron alloy flux concentrator structure, it can achieve horizontal magnetic field detection, supporting 2D/3D position detection; integrating planar and vertical Hall elements can achieve multi-directional magnetic field detection, used for 2D/3D switches and 3-axis linear position sensors. Additionally, the company has deployed gallium arsenide Hall technology, and its developed high-sensitivity, low-drift current sensors are currently in the sampling stage.
In terms of xMR technology, NOVOSENSE has launched multiple AMR products. Low-power AMR switches can be used in consumer and industrial fields, and can also be applied in high-precision encoders and automotive wheel speed sensors; it has also launched ultra-low-power TMR switches, and will subsequently develop more angle and position sensing products based on TMR. In the direction of inductive detection, the company has launched the industrial high-resolution inductive encoder MT6901; in the direction of fluxgate, it has launched a closed-loop fluxgate ASIC for high-precision current detection.
In addition to deploying rich sensitive element technologies, NOVOSENSE also possesses signal conditioning ASIC, packaging and integration, calibration, and testing capabilities, building a complete sensor chip technology platform.
Conclusion
As a System on Chip (SoC) manufacturer, based on its product portfolio of Microcontroller Units (MCU), interfaces, drivers, signal chains, and Power Management ICs (PMIC), NOVOSENSE can deeply participate in system communication at the early stage of projects, thereby more accurately understanding system needs and carrying out targeted product definition and development.
The four new magnetic sensor products released this time target four major directions: high-voltage current detection, perfection of high-current structural solutions, motion control angle detection, and smart terminal position perception. This reflects NOVOSENSE's strategic thinking of forward-looking layout around core trends such as automotive electrification, high-voltage photovoltaic and energy storage, industrialization of robotics, and diversification of smart terminals.