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Allegro MicroSystems Europe Ltd

Allegro MicroSystems Europe Ltd Articles

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French
15th September 2010
Capteur à effet Hall bipolaire deux canaux en quadrature ultra sensible

Le nouveau A1230 proposé par Allegro MicroSystems Europe est un capteur à effet Hall bipolaire deux canaux en quadrature ultra sensible conçu pour êl;tre utilisé en face de bagues aimantés pour mesurer la vitesse et le sens de rotation. Ses caractéristiques lui permettent de travailler dans des environnements difficiles comme l’automobile et l’industrie.

Pending
14th July 2010
Smoke-detector integrated circuit features ultra-low current consumption and networking capability

The new A5303 from Allegro MicroSystems Europe is a low-current BiCMOS photoelectric smoke detector integrated circuit designed to be used with an infrared optical chamber to sense light scattered from smoke particles.

Power
30th June 2010
Dual full-bridge motor driver ICs with overcurrent protection

Two new full-bridge stepper-motor driver ICs, the A4986 and A4987, have been added to the family of motor driver devices available from Allegro MicroSystems Europe. The new devices are dual DMOS full-bridge stepper-motor drivers with parallel input communication and overcurrent protection, and offer improved microstepping accuracy along with high reliability.

Pending
16th June 2010
Three-phase brushless DC motor pre-driver IC for office automation applications

The A4936 from Allegro MicroSystems Europe is a three-phase brushless DC motor pre-driver IC targeted at applications within the office automation sector including laser printer and copier drum drives. The new device incorporates outputs for the direct high-current gate drive of an all N-channel power MOSFET three-phase bridge with a maximum supply voltage of 38 V. Also included in the A4936 device are three Hall-element inputs, a sequencer for ...

Passives
2nd June 2010
Ultra-sensitive dual-channel quadrature Hall-effect bipolar switch

The new A1230 from Allegro MicroSystems Europe is an ultra-sensitive dual-channel quadrature Hall-effect bipolar switch IC designed for use in rotating ring-magnet based speed and direction sensing applications in harsh automotive and industrial environments.

Optoelectronics
26th May 2010
LED backlight driver IC for large displays

The new A8512 from Allegro MicroSystems Europe is a multi-output white LED RGB driver IC for the LED backlighting of large-area LCD monitors and television screens. The new device integrates a scalable-output boost controller operating in constant-frequency current mode control - adjustable between 300 kHz and 1 MHz - driving an external MOSFET. It integrates six internal current sinks each capable of sinking up to 80 mA, which can be combined to...

Pending
20th May 2010
Allegro MicroSystems Recognized for Environmental Leadership

At a recent ceremony, representatives of the Toxics Use Reduction Act (TURA) Program and state legislators presented Allegro MicroSystems, Inc. with an award to acknowledge the company’s environmental leadership.

Pending
3rd May 2010
DMOS microstepping motor drivers with built-in overcurrent protection

Four new DMOS microstepping motor driver ICs featuring built-in overcurrent protection and targeted at the office automation market are now available from Allegro MicroSystems Europe. The new A4982/A4984/A4985 and A4988 are complete microstepping motor drivers, each using a simple ‘step’ and ‘direction’ interface and featuring a built-in translator for easy operation. The highly integrated devices require few external components, and occu...

French
22nd April 2010
Capteurs à effet Hall latchés supportant des tensions transitoires importantes et des hautes températures.

Les nouveaux A1225; A1227 et A1229 proposés par Allegro Microsystems font partie d’une famille de capteurs à effet Hall latchés offrant des protections renforcées contre les tensions transitoires pour des températures d’utilisation jusqu’à +150°C.

French
22nd April 2010
Circuit miniature pour la commande de flash photo au xénon

Les A8732 et A8735 d’Allegro MicroSystems Europe sont deux drivers miniatures optimisés à la commande de la charge de flash photo au xénon. Ils sont conçus pour proposer une solution compacte et fiable à faible coût et répondre ainsi aux besoins des appareils photo numériques et téléphones portables multimédias.

Pending
20th April 2010
Allegro MicroSystems - Hall-effect latches withstand high-voltage transients and high temperatures

The new A1225, A1227 and A1229 from Allegro MicroSystems Europe are a family of Hall-effect latch ICs that combine enhanced protection against high transient voltages with the ability to operate over extended temperature ranges up to +150°C.

Power
30th March 2010
Ultra-small xenon photoflash driver ICs

The A8732 and A8735 from Allegro MicroSystems Europe are two ultra-small new Xenon photoflash charger ICs designed to offer a compact and robust low-cost solution to meet the requirements of very low power, small form-factor cameras and camera phones.

Power
4th March 2010
Allegro MicroSystems Announces New High Power LED Driver For Medium LCD Display Backlighting

Allegro MicroSystems, Inc. introduced a new high power LED driver with output disconnect for backlighting medium LCD displays. This new driver is a robust solution targeting numerous applications within the automotive market. Typical applications include in-dash navigation systems, automotive infotainment, and back-up camera displays. A commercial version is also available for industrial and consumer applications.

Communications
23rd October 2009
Current sensor features 120 kHz bandwidth, high-voltage isolation and integrated overcurrent detection

The new ACS710 from Allegro MicroSystems Europe is a 120 kHz bandwidth, high-voltage isolation current sensor IC that provides an economical and precise means for current sensing applications in industrial, commercial and communications systems.

Analysis
10th September 2009
Hall-effect latch IC offers improved switching repeatability in different package options

The new A1222 from Allegro MicroSystems Europe is an extremely temperature-stable and stress-resistant Hall-effect latch IC that offers improved switching repeatability in applications such as detecting the speed and direction of ring magnets for motor commutation in the automotive, industrial and consumer market sectors.

Power
26th August 2009
Dual-output regulator IC combines switching and linear regulation

The new A4402 from Allegro MicroSystems Europe is a new dual output regulator IC that integrates a buck switching regulator and a linear regulator to provide dual output voltages such as those required by microcontrollers or DSP-based applications.

Sensors
8th June 2009
Three-wire true-zero-speed gear-tooth sensor IC combines accuracy and design flexibility

The new ATS667LSG from Allegro MicroSystems Europe is a 3-wire true-zero-speed gear-tooth sensor IC designed to provide a flexible high-accuracy solution for digital gear-tooth sensing in automotive transmission applications.

Sensors
20th May 2009
Two-wire differential peak-detecting Hall sensor from Allegro

The ATS682LSH from Allegro MicroSystems Europe is a Hall-effect sensing integrated circuit and magnet combination that provides a flexible, easy-to-use solution for true zero-speed sensing of ferrous targets in two-wire applications.

Sensors
5th May 2009
Three-wire differential Hall-effect sensor from Allegro

The ATS617 from Allegro MicroSystems Europe is a three-wire differential Hall-effect sensor that combines enhanced EMC capability with a peak-detecting algorithm that provides design flexibility by offering the ability to sense a wide range of target geometries.

Power
21st April 2009
Current sensor offers 50-200A and low output noise

The new ACS758 from Allegro MicroSystems Europe is a thermally enhanced, high-current, Hall-effect-based linear current sensor that provides an economical and precise solution for AC or DC current sensing.

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