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
Guide
CT4022 Evaluation Board User Guide
The CT4022 is a highly linear, XtremeSense™ TMR-based current sensor. The tunneling-magnetoresistance (TMR) sensor is differential, which enables common-mode field rejection to cancel out stray magnetic fields.
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.
Brochure
Robust and Efficient Power Supply Units (PSUs) for Cloud Infrastructure New
In the ever-evolving landscape of cloud computing, efficient and dependable Power Supply Units (PSUs) are more critical than ever.
Brochure
Intelligent Power Distribution Solutions for Modern Servers New
https://www.allegromicro.com/en/applications/industrial/datacenter-and-telecom-systems/uninterruptible-power-supplyIn%20today's%20demanding%20data%20center%20environments,%20efficient%20and%20reliable%20power%20distribution%20is%20critical.
Brochure
Robust and Efficient UPS Solutions Powered by Allegro New
In today's interconnected world, reliable power is paramount for businesses of all sizes.
Brochure
Cooling the Cloud New
The relentless growth of data demands, fueled by high-performance computing (HPC) and AI, presents significant thermal management challenges for servers and cloud infrastructure.
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
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
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
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.
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.
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.