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...

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The A3908 from Allegro MicroSystems Europe is a low-voltage bidirectional DC motor driver IC in an ultra-compact package measuring only 2 mm square. Combining a high operating current with a wide operating voltage range, the new device is ideal for use in battery-operated applications including cameras, toys and games, portable printer/scanners and test instrumentation.

Allegro MicroSystems Europe has introduced a new family of Hall-effect switches and latches which offer superior switching repeatability through their resistance to temperature variations and thermal stresses.

The A6210 from Allegro MicroSystems Europe is an LED driver IC based on a buck (stepdown) regulator circuit using constant ‘on’ time with valley current-mode control. This control scheme allows the use of very short switch ‘on’ times, making the new device ideal for applications requiring high switching frequencies combined with high input voltages and low output voltages.

The new A1386 from Allegro MicroSystems Europe is a user-programmable linear Hall-effect sensor IC targeted at applications in the automotive market requiring flexibility and accuracy in absolute position sensing.

The new A4403 from Allegro MicroSystems Europe is a 3 A buck regulator IC which uses a valley current-mode control scheme to offer very low switch-on times, making it ideal for applications that require high switching frequencies combined with high input voltages and low output voltages.

The A4930 from Allegro MicroSystems Europe is a single-phase brushless DC motor pre-driver integrated circuit designed to control high-current devices such as fans, blowers or pumps with supply voltages from 8 V to 36 V.

The new A1174 from Allegro MicroSystems Europe is an ultrasensitive micropower Hall-effect latch IC with internally or externally controlled sample and sleep periods for use in portable devices that employ rotational speed and direction sensing systems such as tracker balls or scroll bars for PDAs, mobile phones or MP3 players.