Allegro MicroSystems Introduces Two-Phase Unipolar Microstepping Motor Driver Family

Worcester, MA - August 15, 2003 — Allegro MicroSystems, Inc. introduces a new family of Sanken unipolar microstepping two-phase constant-current motor driver ICs with built-in sequencer. The SLA706xM series is a complete unipolar microstepping motor driver family with built-in translator designed to operate unipolar stepper motors with a simple step input. There is no need for phase-sequence tables, high-frequency control lines, or complex interfaces to program.

For half-, quarter-, eighth- and sixteenth-microstepping the choice of products are the SLA7060M, SLA7061M, SLA7062M. The SLA706xM series includes a PWM constant-current control method, synchronous PWM chopping function for two phases of motor coils to prevent motor noise at the hold mode and sleep mode for reducing the IC input current at stand-by mode.

The SLA7060xM series is primarily targeted toward circuit design engineers of microstepping motor-controller applications specifically copy machines, scanners and robots. This family is offered in a 21-pin single in-line power-tab package.

About Allegro

Allegro MicroSystems, Inc. is a leader in developing, manufacturing and marketing high-performance power and Hall-effect sensor integrated circuits. Allegro's innovative solutions serve high-growth applications within the automotive, communications, computer/office automation, consumer and industrial markets. Allegro is headquartered in Worcester, Massachusetts (USA) with design and applications centers located in North and South America, Asia, and Europe. Further information about Allegro can be found at www.allegromicro.com.

Editorial Contact:
Stephanie Fennelly
Director - Marketing Communications
Tel: (508) 854-5363
sfennelly@allegromicro.com