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allegromicrosystems

Single IC integrates power, voltage, and current monitoring, reinforced isolation

January 6, 2021 By Redding Traiger Leave a Comment

Allegro MicroSystems announced the launch of the ACS37800, a Hall-effect power monitoring IC for single-phase AC and DC solutions in a small PCB footprint. Another industry-first innovation, Allegro’s ACS37800 is an integrated power monitoring chip that allows simultaneous measurement of power, voltage, and current for AC and DC signals with an isolation rating of up […]

Filed Under: Development Tools, Industrial, LED Lighting, Lighting, Motors and motor control, Power Management, Telecommunications Tagged With: allegromicrosystems

ISO 26262-compliant motor drivers target EV systems

October 19, 2020 By Redding Traiger Leave a Comment

Allegro MicroSystems introduced the industry’s largest portfolio of 80V motor drivers for advanced 48V automotive systems. Allegro’s 48V products effectively address the critical need for flexible and reliable solutions in electric vehicles. Drawing on decades of experience, Allegro’s new suite of fully integrated gate drivers offer optimized architecture and performance directly impacting vehicle weight, battery/fuel […]

Filed Under: Automotive, Development Tools, drivers, Motors and motor control, Power Components Tagged With: allegromicrosystems

Super-accurate 400-kHz current sensor carries 5-kV isolation rating

June 24, 2020 By Aimee Kalnoskas Leave a Comment

ACS37002 current sensor

Allegro Microsystems announced the launch of the ACS37002 family of advanced Hall-effect current sensors. The ACS37002 has 400kHz sensing bandwidth up to 180 A with low offset and better than 1% typical total accuracy over the full -40°C to 150°C automotive temperature range. The high-speed operation allows customers to operate at higher switching frequencies and […]

Filed Under: Power Components, Semiconductor Tagged With: allegromicrosystems

Coreless current sensors handle 1 kA with no magnetic shield

March 3, 2020 By Aimee Kalnoskas Leave a Comment

ACS37612 current sensors

Allegro MicroSystems announced the launch of the world’s first standalone Hall-based coreless current sensor, the ACS37612. This device measures currents from 200A to >1000A flowing through a PCB or a busbar with a typical accuracy of 1% — and without requiring a magnetic concentrator core or a shield. The differential Hall-elements used to measure the magnetic […]

Filed Under: Transistors Tagged With: allegromicrosystems

Current sensors sport ultra-low series resistance, 5-kV isolation rating

February 13, 2020 By Aimee Kalnoskas Leave a Comment

ACS724 and ACS725

Allegro MicroSystems has announced the release of the brand-new custom SOIC16W package, named “MC”, which marks a leap forward in the industry’s current sensing capabilities for power dense applications that require high isolation with low power loss. This new package has an ultra-low 265uOhm series resistance—more than 2.5 times lower than existing SOIC16W solutions—while delivering […]

Filed Under: Transistors Tagged With: allegromicrosystems

Ultra-low current, low EMI DC/DC regulator optimized for keep-alive supply apps

November 14, 2019 By Aimee Kalnoskas Leave a Comment

ARG81800 DC-DC regulator

Allegro MicroSystems announced the launch of the ARG81800—a robust, ultra-low Iq, low EMI DC/DC regulator ideal for keep-alive supply applications. The device sets a new standard, introducing features that help engineers easily achieve tightening OEM standards, such as: Ultra-low quiescent current mode 150°C operating temperature – for demanding automotive or industrial operating conditions Pin open/short […]

Filed Under: DC-DC, Regulators Tagged With: allegromicrosystems

Three-phase BLDC driver integrates power loss brake

November 12, 2019 By Aimee Kalnoskas Leave a Comment

A89331 BLDC driver

Allegro MicroSystems announced the launch of the world’s first three-phase BLDC driver IC with integrated power loss brake (PLB) features. The A89331 code-free, sinusoidal sensorless fan driver is designed to improve thermal efficiency, which reduces energy use and data center costs. The new PLB features also improve safety and reduce the bill of materials (BoM) […]

Filed Under: drivers, Power Components Tagged With: allegromicrosystems

Surface-mount current sensors handle up to 400 A

November 7, 2019 By Aimee Kalnoskas Leave a Comment

ACS772/3 current sensor

Allegro MicroSystems announced significant ease-of-use enhancements to its popular high current fully integrated ACS772/3 current sensor “CB” package family. These industry-leading, automotive-grade high voltage isolation current sensors already provide economical and precise solutions for both AC and DC current sensing up to 400A. Building on that leadership and deep customer-understanding, Allegro’s new surface-mount leadform option for […]

Filed Under: Power Components, Semiconductor Tagged With: allegromicrosystems

Code-free FOC BLDC motor drivers target fan, cooling apps

January 29, 2019 By Aimee Kalnoskas Leave a Comment

Code-free FOC BLDC motor drivers

Allegro MicroSystems announced the launch of the company’s QuietMotion family. This family consists of the first-to-market Field Oriented Control (FOC) brushless DC (BLDC) electric motor controllers that are customer code-free. The devices are designed to provide reliable and efficient low audible noise performance while reducing design cycle time. Whereas most FOC BLDC drivers require software developers to […]

Filed Under: DC-DC Tagged With: allegromicrosystems

Top power electronics stories of 2017

December 31, 2017 By Aimee Kalnoskas Leave a Comment

power electronics

Here are the power electronics features that got the most interest from readers in 2017.         Teardown: Inside Ikea’s smart LED bulb As smart LED bulbs go, this one is pretty simple. It doesn’t incorporate any sort of smartphone app and can’t be controlled over the Internet, like some other smart bulbs […]

Filed Under: Featured, LED Lighting, MOSFETS, Power Management, Simulation, Wireless Tagged With: allegromicrosystems, infineontechnologies, onsemiconductor, texasinstrumentsinc

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