Allegro 電流センサー
高効率・高電圧設計向けの高精度電流検出
Allegroの電流センサは、ガルバニック絶縁、無損失動作、高精度を実現し、コンパクトなシステムで最高の効率と電力密度を可能にします。EVのトラクションインバータおよび補助インバータ、DC-DCコンバータ、オンボードチャージャ、ソーラーインバータ、産業用電源システム向けに設計された当社のソリューションは、最大5 kVRMSの絶縁定格、最小0.1 mΩの超低導体抵抗、およびGaN/SiCパワーエレクトロニクスに対応する最大5 MHzの帯域幅を提供します。
Documentation & Resources
Blog
Current Sensors in Robotics: Precision, Efficiency, and Safety in Every Movement
The world of robotics is rapidly evolving. We marvel at robotic arms assembling intricate electronics with superhuman precision, surgical robots performing minimally invasive procedures with unparalleled dexterity, and autonomous vehicles navigating complex environments with seemingly effortless grace.
Technical Article
Rethink PCB Current Sensing
This article will discuss two new innovative approaches to measure currents up to 600 A in PCB: a near-lossless Hall-based current sensor with an integrated conductor and a non-invasive standalone core-free and shield-free differential Hall current sensor.
Technical Article
Solving EV Charging with High-Performance Gate Drivers and Current Sensors
Before EVs can reach true widespread adoption, one of the biggest obstacles is the accessibility, reliability and performance of EV chargers.
Technical Article
Solar Energy Systems – New Market Trends in Current Sensing
P0103 - As solar installations grow larger and more ambitious by the day, new trends in current sensing are emerging for this expanding energy market.
Technical Article
New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs
Really Cool. Really Efficient. New 400 kHz current sensors enable more sustainable designs in switch-mode power designs.
Application Note
CMTI Comparison for Allegro Integrated Conductor Current Sensors
Common-mode transient immunity (CMTI) test injects transient voltages with high slew rates across the isolation barrier of the current sensor. During the transient event, the output stability of the device is observed.
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.
Brochure
Brochure: Lift Designs to the Next Level
Drive mobile robots with unmatched precision and control.
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.
Application Note
ACS37030/2 High Bandwidth 5 MHz Current Sensor Enables High-Speed Control and Protection in Power Converter Applications
The ACS37030/2 is the first integrated 5 MHz bandwidth current sensor, which enables these systems to extract more benefit from faster and lowerloss switches.
Application Note
An Effective Method for Characterizing System Bandwidth in Complex Current Sensor Applications
This application note describes multiple methods for measuring
and characterizing system bandwidth, with a focus on
the impulse response method. Allegro’s ACS720 is the perfect device to validate the test methods outlined here.
Application Note
High-Current Measurement with Allegro Current Sensor IC and Ferromagnetic Core: Impact of Eddy Currents
AN296162 - The technique of measuring bus bar current with a surrounding ferromagnetic core is common knowledge. For highcurrent measurement above 200 A, Allegro recommends using a linear IC of the A136x family
Technical Article
Allegro is Driving the Future with Reliable eMobility Solutions
Techmezine speaks with Andreas P. Friedrich on Allegro’s Battery Management Solutions and latest innovation for EV.
Brochure
Brochure: Industry's First ASIL-C Field Current Sensor for eMobility
The ACS37601 is Allegro’s latest and most advanced linear Hall-effect sensor IC for core-based current sensing, developed in accordance with the ISO 26262 functional safety standard to achieve an ASIL C safety rating.
Brochure
Brochure: Driving Change by Advancing Personal Mobility Through Cutting-Edge Technology
Our advanced sensor and power IC solutions are engineered specifically to meet the unique requirements of these designs, providing superior performance and reliability in harsh environments and under complex operating conditions.