NOVOSENSE Microelectronics, experts in high-performance analog and mixed-signal chips, has introduced its NSM211x series of automotive-grade, high-bandwidth current sensors. Designed to meet the growing demand for high-precision, isolated current sensing, the NSM211x series eliminates the need for external isolation components, simplifying system design and enhancing reliability.
High-Performance Current Sensing for Diverse Applications
Targeting applications such as onboard chargers (OBC), DC-DC converters, positive temperature coefficient (PTC) heaters, motor control, charging stations, and fuel cell systems, the NSM211x series delivers high isolation voltage and robust current-handling capabilities. These sensors are AEC-Q100 Grade 0 certified, ensuring reliable operation over an extended temperature range (-40°C to 150°C).
With a -3 dB bandwidth of up to 1 MHz and a response time of 400 ns, the NSM211x series supports rapid loop control and overcurrent protection, making it ideal for high-speed, high-accuracy applications. The sensors also feature a creepage distance of up to 8.2 mm, withstand isolation voltages of 5,000 V RMS, and provide a maximum working isolation voltage of 1,618 V pk, meeting stringent industry standards.
Enhanced Accuracy and Simplified System Integration
The NSM211x series integrates internal temperature compensation algorithms and offline calibration, ensuring high measurement accuracy (<±2% sensitivity error and <±10 mV offset error) across the entire temperature range. This eliminates the need for secondary programming, streamlining system implementation.
Supporting both 3.3 V and 5 V power supply voltages, the sensors enable accurate DC and AC current measurement within a range of 5 to 200 A. Additional features include reference voltage output, overcurrent protection output, and configurable overcurrent protection thresholds for enhanced functionality.
Flexible Packaging and High Current-Handling Capabilities
The NSM211x series is available in three package configurations to meet varying customer needs:
- SOP8: Offers a primary side impedance of 1.2 mΩ.
- SOW16: Provides 0.85 mΩ/1 mΩ impedance for mid-range applications.
- SOW10: Features an industry-leading 0.27 mΩ impedance, with a continuous current-handling capacity of up to 100 A.
These packaging options ensure high current-handling capabilities, minimal power loss, and broad adaptability for diverse applications.
Supporting Automotive and Industrial Innovation
Designed for modern automotive and industrial ecosystems, the NSM211x series addresses the increasing complexity of systems requiring precise current measurement and rapid response times. Its ability to simplify design while reducing costs makes it a valuable component in advancing technologies such as motor control, fuel cells, and charging infrastructure.
By eliminating the need for external isolation components, these sensors streamline architecture and enhance overall efficiency and reliability in critical applications.
About NOVOSENSE Microelectronics
NOVOSENSE Microelectronics (SSE Stock Code 688052) is a provider of reliable analog and mixed-signal IC solutions. Since 2013, the company has specialized in sensors, signal chains, and power management technologies. Its semiconductor products serve automotive, industrial, information communication, and consumer electronics markets, supporting innovation across a range of applications.
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Source/Photo Credt: NOVOSENSE Microelectronics
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