我们完全集成的高隔离电流传感器解决方案系列可以极低的电阻提供精确测量 — 完全无需外部隔离元件。
Allegro 的专有封装使用倒装芯片技术,可在无芯封装设计中产生极佳的磁耦合效果。我们的解决方案还提供高达 4800 VRMS 的电隔离。这些纤薄、外形小巧的封装适合减少 PCB 在感应电阻运算放大器或大型电流变换器配置中的占用面积。
400 kHz, High Accuracy Current Sensor with Pin-Selectable Gains
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Automotive-Grade, Galvanically Isolated Current Sensor IC
Programmable AC and DC Power Monitoring IC
FAQ
Have questions about our industry-leading current sensor ICs? Check out our most frequently asked questions and answers.
Design Tool
The ACS LTSpice Model Library uses LTSpice SPICE simulation software to create simple, behavioral, and idealized models for Allegro current sensors. These models can be used for simulation purposes to help demonstrate Allegro current sensor behavior in individual customer applications.
Technical Article
December 28, 2020
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
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.
Brochure
Allegro’s ACS37800 offers its customers the capability to easily monitor and optimize the energy efficiency of power supplies, lighting, and motor control sub-systems in connected building automation solutions while simplifying the system design.
AN296180 - This application note describes the I2C and SPI interfaces on the ACS71020/ACS37800 Power Monitoring ICs from Allegro MicroSystems.
AN296190 - The data contained within this application note allows the user to effectively choose an Allegro current sensor package based on their system’s specifications.
Allegro MicroSystems has been driving innovation in the current sensor industry for more than 17 years, with a history of first-to-market products that give our customers a competitive edge. Our advanced ICs help you achieve higher efficiency and power density in your designs.
AN296172 - This application note describes methods of setting the I2C slave address of the ACS71020/ACS37800 and the added functionality of the digital input-output (DIO) pins when operating in I2C mode.
Allegro’s current sensor ICs are ideal for use with solar applications, which include electronic subsystems like solar combiner boxes, DC/DC converters for maximum power point tracking (MPPT), and DC-AC inverters.
AN296100 - Recent advancements in integrated Hall-effect current sensor technology provide an alternative current sensing solution that reduces power loss, achieves most cost targets, and occupies a much smaller volume on the application printed circuit board.
AN26030 - In applications where large magnetic fields may be present, care must be taken in the alignment and spacing of the Hall element relative to those fields.
AN296236 - This application note discusses the industry standard of using RΘJA to design for maximum junction temperature and why it does not apply to Allegro MicroSystems integrated conductor current sensors.
Charge into the future of vehicle electrification with the world's #1 supplier of current sensor ICs for leading EV applications.
AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.