Allegro 电流传感器
高精度电流传感，助力高效高压设计。
Allegro 电流传感器提供电气隔离、无损耗运行和超高精度，可在紧凑型系统中实现最高效率和功率密度。我们的解决方案专为电动汽车牵引逆变器和辅助逆变器、DC-DC 转换器、车载充电器、太阳能逆变器和工业电力系统而设计，可提供高达 5 kVRMS 的隔离额定值、低至 0.1 毫欧的超低导体电阻，以及适用于 GaN/SiC 功率电子器件的高达 5 MHz 的带宽。
Documentation & Resources
Blog
Magnetic Sensors are a Great Alternative to Traditional Shunt Resistors for Industrial Current Sensing
Magnetic sensors have entered the market, bringing a whole new level of performance, safety, and reliability to the table, much like what Allegro is doing with our current sensor portfolio. So, what makes them so special? Let's discuss.
Application Note
PCB Ground Plane Optimization for Coreless Current Sensor Applications
AN296277 - This application note provides guidelines on how a PCB ground plane around the sensor location should be designed to achieve optimum performances.
Application Note
New Approaches to High-Efficiency Current Sensing: Integrated Hall Sensor ICs Save Power and Space
AN296100: Allegro current sensor ICs allow design engineers to use Hall-effect based current sensor ICs in new applications where increased energy efficiency or new operating features are required. Wherever current sensing is needed, an integrated Hall-effect IC can provide a solution.
Application Note
Current Sensing for Power Delivery
AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.
Video
ACS711 - Hall Effect Linear Current Sensor
ACS711 provides economical and precise solutions for AC or DC current sensing in 100+ V audio, communications systems, clean energy, personal mobility and white goods. The device package allows for easy implementation by the customer.
Video
XtremeSense™ TMR Technology
Allegro MicroSystems empowers engineers to deliver top-tier solutions with XtremeSense™ TMR technology, enabling industry-leading precision and cost efficiency in current and position sensors.
Guide
Using the ASEK-20 with the ACS37610 Daughterboard and ACS37610 Samples Programmer
This section of the ASEK37610 user guide documents the use of the ACS37610 daughterboard and the ASEK-20 (Part #85- 0540-004) with the Allegro ACS37610 samples programmer.
Application Note
AN296301 - Comparing Parameters of Shunt-Based and Hall-Based Current Sensors
While various methods use the Hall effect to measure current— such as integrated conductor, core-based field sensing, or coreless field sensing—this application note focuses on Allegro integrated conductor Hall-effect current sensors.
Application Note
Noise Characteristics and Measurement Methodology for TMR and Hall-Effect Current Sensors
AN296360 - This application note provides a comprehensive guide to compare noise characteristics of TMR and Hall-effect current sensors.
Blog
Vacuum Robots: Smarter Autonomous Cleaning for Every Space
Explore how vacuum robots are transforming cleaning at home and in business with smart tech, AI navigation, and reliable, compact electronic components.
Application Note
CT456 Busbar Design Guidelines
The CT456 is a high-bandwidth, low-noise field sensor that uses XtremeSense™ tunnel-magnetoresistance (TMR) technology to enable high-accuracy current measurements for consumer, enterprise, and industrial applications
Guide
ACS37630 Evaluation Board User Guide
This user guide documents the features, operation, and use of the ACS37630 current sensor with the ASEK37630 evaluation board.
Application Note
Dual-Bridge Design Guidelines for ACS37610S
This application note details a novel dual-bridge busbar design specifically optimized for the ACS37610S to improve displacement error performance significantly.
Application Note
A89303 Evaluation Board User Guide
An automotive fuel pump is the part of a fuel delivery system that pumps fuel, at a specified pressure and flow rate, to the engine through additional components, such as filters
Brochure
Brochure: Take Off With Precise Sensing
Enhance drone performance with advanced sensor technology.