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allegromicrosystems

BLDC gate drivers optimized for data center cooling fans

May 27, 2022 By Aimee Kalnoskas Leave a Comment

Allegro MicroSystems, Inc. has expanded its portfolio of three-phase sensorless BLDC gate drivers. Its newest offerings, the A89332 and A89332-1, are designed to meet the evolving needs of cooling systems in today’s data centers offering flexible options for designers. Available with innovative integrated power loss brake (A89332) and AC-loss (A89332-1) features, these drivers enable compact, high-airflow […]

Filed Under: Data center, drivers, Power Components Tagged With: allegromicrosystems

Full-bridge 50-V gate drivers optimized for automotive and industrial apps

May 17, 2022 By Redding Traiger Leave a Comment

Allegro MicroSystems, Inc. announced two new full-bridge gate drivers for automotive and industrial applications. Available with direct control (A89505) and pulse-width modulation (A89506) options, these devices up-integrate critical features to make system design easier, replacing mechanical relays with solid-state drivers to improve performance and reliability. With built-in capabilities including flexible interface logic, EMI mitigation with […]

Filed Under: Automotive, Development Tools, drivers, Industrial, Power Components, Power Management Tagged With: allegromicrosystems

LED drivers enable smooth high/low/high beam transitions, high power for vehicle lighting apps

November 3, 2021 By Lee Teschler Leave a Comment

allegro micro

The A80803 leverages multi-topology conversion and patented IP to enable smooth high/low/high beam transitions in a single integrated circuit (IC). The A80804 linear LED driver provides high power for automotive lighting applications through multiple, independently-configurable channels. Both products help designers reduce the number of ICs required to create safety-enhanced automotive lighting systems, enabling higher performance […]

Filed Under: drivers, LED Lighting Tagged With: allegromicrosystems

Three-phase gate drivers geared for EVs and hybrids

October 27, 2021 By Redding Traiger Leave a Comment

Allegro MicroSystems, Inc. is expanding its QuietMotion product line with the introduction of the new A89307 automotive-qualified gate driver integrated circuit (IC). Designed for battery cooling fans and HVAC systems in electric (EV) and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current […]

Filed Under: Automotive, Development Tools, drivers, Power Components, Three-phase Tagged With: allegromicrosystems

Coreless Hall-effect current sensor handles demanding automotive and industrial uses

March 30, 2021 By Lee Teschler Leave a Comment

allegro

A new coreless Hall-effect current sensor for demanding automotive and industrial systems offers higher accuracy and sensitivity, additional fault detection capabilities, and user programmability. Allegro’s new ACS37610 sensor joins the ACS37612 as the industry’s first family of truly coreless Hall sensing solutions designed to measure currents from 100 A to greater than 4,000 A flowing […]

Filed Under: Power Components Tagged With: allegromicrosystems

Coreless hall-effect current sensor targets high-current automotive, industrial apps

March 23, 2021 By Redding Traiger Leave a Comment

Allegro MicroSystems, Inc. announced a new coreless Hall-effect current sensor for demanding automotive and industrial systems, offering higher accuracy and sensitivity, additional fault detection capabilities, and user programmability. Allegro’s new ACS37610 sensor joins the ACS37612 as the industry’s first family of truly coreless Hall sensing solutions designed to measure currents from 100 A to greater than 4000 A […]

Filed Under: Automotive, Battery Management, Development Tools, Industrial, inverters, Power Management, Power Supplies Tagged With: 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

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