Press Release Summary:
Suited for DC brush motor applications, 6 A Model SPF7302 features externally adjustable delay timer to halt OCL for proper motor startup. Open load detections are present at start-up to ensure steady operation. Housed in thermally enhanced 16-pin HSOP power package with exposed thermal pad on bottom, H-bridge driver includes overvoltage protection, overcurrent protection with latch, undervoltage lockout, and overcurrent limitation.
Original Press Release:
Allegro MicroSystems Announces New 6 A H-Bridge DC Motor Driver
Fully Protected Solution to Enhance System's Reliability
Worcester, MA - September 1, 2009 - Allegro MicroSystems, Inc. announces a new fully protected, single chip full-bridge motor driver IC for DC brush motor applications. This new solution enhances the user's system reliability compared to other discrete solutions. Allegro's SPF7302 is targeted at the automotive and industrial markets.
Allegro's new motor driver IC includes various integrated protection circuits. There is an externally adjustable delay timer to halt the OCL for proper motor startup. Open load detections are also present at start-up to ensure steady operation of the device. Other key features of this device include: Overvoltage protection (OVP); overcurrent protection (OCP) with latch, which is adapted to the DMOSFETs in each full bridge; undervoltage lockout (UVLO); and overcurrent limitation.
The package is a thermally enhanced 16-pin HSOP power package with an exposed thermal pad on the bottom side of the package. It is priced at $5.10 in quantities of 1,000 and has an 8-week typical lead-time to market.
Allegro MicroSystems, Inc. is leader in developing, manufacturing and marketing high-performance power and Hall-effect sensor ICs. Allegro's innovative solutions serve high-growth applications within the automotive, communications, computer/office automation, consumer and industrial markets. Allegro is headquartered in Worchester, Massachusetts (USA) with design and applications center located in North and South America, Asia, and Europe. Further information about Allegro can be found at www.allegromicro.com.