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 […]
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ISO 26262-compliant motor drivers target EV systems
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 […]
Super-accurate 400-kHz current sensor carries 5-kV isolation rating
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 […]
Coreless current sensors handle 1 kA with no magnetic shield
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 […]
First back-biased GMR speed/direction sensor handles air gaps 50% larger
The ATS19580 is the industry’s first fully-integrated, back-biased GMR transmission speed and direction sensor. Achieving the highest level of in-system performance for this application, the ATS19580 reduces system size, complexity and cost—resulting in improved fuel economy. Combining GMR technology with Allegro’s leading transmission algorithms and packaging, the ATS19580 offers the highest performance transmission sensor to […]
Current sensors sport ultra-low series resistance, 5-kV isolation rating
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 […]
Microcontroller Top Talks in November 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around microcontrollers. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Proteus error, no source line at PC address – I wrote a C code in Atmel Studio for ATmega32. Now I want […]
Magnetic gear tooth sensor IC optimized for traction motor apps
Allegro MicroSystems announced the launch of the ATS17501, the industry’s first gear tooth sensor IC designed to provide incremental position for electric vehicle traction motors operating up to 30k RPM. The device addresses engineers’ most pressing traction motor challenges—including vibration at startup and running mode, high rotational speed, mechanical space constraints, high operating temperatures, and ISO 26262 safety requirements. Market-leading features include: High speed switching up […]
Ultra-low current, low EMI DC/DC regulator optimized for keep-alive supply apps
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 […]
Three-phase BLDC driver integrates power loss brake
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) […]
