Allegro MicroSystems Europe Ltd
Allegro MicroSystems Europe Ltd Articles
Really Fast. Really Efficient. Cool Current Sensors for a Brighter Future.
Enable more efficient power conversion in your higher frequency switching applications with Allegro MicroSystems’ ACS37002 - the world’s most accurate 400kHz current sensor IC with 5kV isolation rating. Eliminating compromise between speed, accuracy and power density, the new family of Hall-effect current sensors have integrated features that simplify design and reduce system size - available in three easy-to-use surface-mount package...
Really cool, really efficient
Shrinking PCB areas mean system designers are opting for smaller passive components and up-integrated sensors in switched mode power designs, says Allegro as it introduces its 400kHz current sensors.
400 KHz Hall-effect sensors boast 5 kV isolation rating
Hall-effect current sensors offering 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 have been released by Allegro Microsystems.
Coreless current sensor reduces size for xEV inverters
Allegro MicroSystems has launched a standalone Hall-based coreless current sensor, the ACS37612. This new device measures currents from 200A to >1000A flowing through a PCB or a busbar with a typical accuracy of one percent and without requiring a magnetic concentrator core or a shield.
Back-biased GMR transmission sensor reduces cost
Allegro MicroSystems has announced the release of the ATS19580, a fully-integrated, back-biased GMR transmission speed and direction sensor. Achieving a high level of in-system performance for this application, the ATS19580 reduces system size, complexity and cost - resulting in improved fuel economy.
Certified isolation voltage for electric vehicles
Allegro MicroSystems has announced the release of its brand-new custom SOIC16W package bringing certified isolation voltage for EVs, named ‘MC’, which marks a leap forward in current sensing capabilities for power dense applications that require high isolation with low power loss.
Magnetic gear tooth sensor IC designed for traction motors
Allegro MicroSystems has announced the ATS17501, a gear tooth sensor IC designed to provide incremental position for electric vehicle traction motors operating up to 30k RPM. The device addresses traction motor challenges, including vibration at startup and running mode, high rotational speed, mechanical space constraints, high operating temperatures, and ISO 26262 safety requirements.
Low EMI DC/DC regulator to meet tightening standards
Allegro MicroSystems has 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.
Three-phase BLDC driver with integrated power loss brake
Allegro MicroSystems has announced the launch a 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 centre costs. The new PLB features also improve safety and reduce the bill of materials (BoM) in the data centre.
Fully integrated current sensors for high density applications
Allegro MicroSystems has announced significant ease-of-use enhancements to its high current fully integrated ACS772/3 current sensor ‘CB’ package family. These automotive grade high voltage isolation current sensors already provide economical and precise solutions for both AC and DC current sensing up to 400A.
Coreless current sensor IC at PCIM Europe
Specialist in power and sensing solutions for motion control and energy efficient systems, Allegro MicroSystems, will show a new coreless current sensor IC and the industry’s quietest brushless DC (BLDC) motor control solution at the PCIM Europe 2019 Exhibition (Nuremberg, Germany, 7th to 9th May) in Hall 6, Booth 255.
LED driver family eliminates audible noise with control method
Allegro MicroSystems has announced its latest generation of advanced LED backlight drivers, the A8060x family. The device family is designed with an innovative and patented Pre-Emptive Boost (PEB) control, eliminating noise that is typically audible. PEB control in the A8060x family substantially reduces Vout ripple and eliminates the common problem of audible noise from ceramic output capacitors during PWM dimming, while...
Automotive grade current sensor IC improves safety
Allegro MicroSystems has announced a new family of automotive AEC-Q100 qualified, monolithic Hall effect current sensor ICs. Small and energy efficient, the ACS71240 family is suitable for electric vehicle chargers, DC/DC converters, as well as industrial motor and IOT applications.
Hall-effect switch and latch ICs enhance ADAS safety
Adding two Hall-effect sensor ICs to its growing portfolio of solutions for systems that require functional safety, Allegro MicroSystems has announced the release of the APS11450 and APS12450. The APS11450 is a family of unipolar switch ICs, while the APS12450 devices are bipolar latches. They are pin-compatible upgrades for existing three-wire Hall switch and latch ICs developed in accordance with ISO 26262:2011 with ASIL-B capabi...
Highest speed and accuracy to date in latest current sensor IC
Allegro MicroSystems has announced its latest Hall effect current sensor IC, which delivers its highest speed and accuracy in more than 400A sensing applications to date. Suited for hybrid and electric vehicle inverter applications that need high accuracy sensing to 1000Amps or more, the ACS70310 offers a robust solution with diagnostic functions that can help improve functional safety and reliability.
Family of code-free FOC sensorless BLDC fan drivers launched
Allegro MicroSystems Europe has 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.
The most advanced transmission speed sensor ICs
The release of the most advanced transmission speed sensor family members, complete with ASIL B certification has been announced by Allegro MicroSystems Europe. The A19520, A19530, and A19570 magnetic sensor ICs are the product of nearly 20 years of application-specific experience and technological advancement- including GMR and Hall effect technology- making them suitable for meeting the demanding requirements of today’s transmission ...
Channel power MOSFET driver provides footprint reduction
Allegro MicroSystems has announced the AMT49105, its newest ISO-26262 compliant N-channel power MOSFET driver. The AMT49105 simplifies motor systems designs and provides footprint reduction by integrating power analogue systems requirements.
Rugged micropower magnetic sensor ICs maximise battery life
Allegro MicroSystems has announced the release of a family of Micropower Hall-effect switch ICs- the APS11700 and APS11760, designed specifically for battery powered applications in harsh industrial and automotive environments. Automatic power management enables average supply current as low as 6µA while operating directly from a vehicle battery or other unregulated supply.
Speed sensor IC suited for two-wheeled vehicles
The release of the new A17301, a new Hall effect sensor IC suitable for two-wheeled vehicles, particularly in position and timing applications like speedometers and tachometers for engine control, has been announced by Allegro Microsystems Europe. Integrating electromagnetic capability (EMC) components into a small SIP package, the A17301 is a robust solution for digital ring-magnet sensing or ferromagnetic target sensing when coupled with a back...