Allegro MicroSystems, LLC.

- Allegro MicroSystems, LLC. 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 market, with additional focus on office automation, industrial, and consumer/communications solutions. Allegro is headquartered in Worcester, Massachusetts (USA) with design, applications, and sales support centers located worldwide. More...

Allegro maintains key relationships with major subcontractors to accommodate fluctuations in upside demand. Sales are balanced worldwide throughout North and South America, Europe, Japan and Asia-Pacific, with products sold primarily to OEMs through a strong worldwide sales channel that includes a direct sales force, manufacturer’s representatives, and distributors. Allegro is TS16949 and ISO14001 registered and has received quality awards from leading manufacturers worldwide.

Together, Digi Key and Allegro manage inventory so that products are in stock and available for customers. Allegro offers a wide range of integrated circuit solutions focused on motor control, regulation, and magnetic field sensing applications. Allegro’s designs allow customers to develop solutions that reduce mechanical wear and provide greater measurement accuracy. Unique packaging technologies developed by Allegro create customized solutions that incorporate silicon, magnets, and high current conductors in a single solution. Less...

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Digi-Key’s library of more than 2000 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.


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Module NamePreviewAudioNon-AudioDurationParts List
  • A3987 DMOS Microstepping Driver with Translator
1.6MB325KB10 minParts List
  • A495x Family of DC Motor Driver ICs
4.0MB1.6MB10 minParts List
  • A49xx Family of Stepper Motor Driver ICs
3.2MB991KB10 minParts List
  • A6211 LED Driver
3.1MB535KB5 minParts List
  • ACS710 Overview
5.0MB668KB15 minParts List
  • ACS764 Hall-effect Based Current Sensor IC
4.2MB1.5MB5 minParts List
  • Current Sensor
4.2MB596KB5 minParts List
  • Current Sensor ICs: Performance and Efficiency Applications
4.2MB922KB5 minParts List

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ACS722 (3.3 V) and ACS723 (5 V) High-Accuracy SOIC-8 Current Sensor ICs with Low-Power LeadframeACS722 (3.3 V) and ACS723 (5 V) High-Accuracy SOIC-8 Current Sensor ICs with Low-Power Leadframe - The ACS722 and ACS723 devices are true +/-5 Amp sensor ICs or uni-directional 10 A sensor ICs for use in lower-power applications that require higher output swings at lower currents. The ACS722 and ACS723 employ an advanced temperature compensation scheme for Qvo and sensitivity that enables improved performance, even at the much higher gain required for these devices. Providing a full-scale +/-5 A sensor with existing Hall technology was not possible until employing this compensation scheme and we think this product will compete well with other market solutions.  More...

A1688 Sensor IC A1688 Sensor IC - The A1688 is a Hall-Effect-based integrated circuit (IC) that provides a user-friendly solution for true zero-speed digital ring magnet and gear tooth sensing in two-wire applications. The A1688 is offered in the UB package, which integrates the IC and a high-temperature ceramic capacitor in a single overmolded SIP package. The integrated capacitor provides enhanced EMC performance with reduced external components. The A1688 is a replacement for the A1642 two-wire true zero-speed miniature differential peak-detecting sensor IC with continuous calibration. It is targeted for the automotive market in ABS wheel-speed sensor applications.  More...

More about Allegro MicroSystems, LLC.

Allegro MicroSystems, LLC. 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 market, with additional focus on office automation, industrial, and consumer/communications solutions. Allegro is headquartered in Worcester, Massachusetts (USA) with design, applications, and sales support centers located worldwide.

Allegro develops integrated circuit solutions focused on motor control, regulation, and magnetic field sensing applications. We provide highly integrated mixed-signal ICs, adding more components and greater functionality. Allegro's line has extensive product breadth and depth, with standard "plug and play" products.
  • Market leading Hall-effect sensor IC manufacturer with a broad portfolio of innovative solutions focused on the automotive market space
  • Customized packaging solutions that incorporate magnetic circuits to simplify applications issues
  • System-On-Chip power IC capability incorporating multiple power drivers, regulators, and control logic functions
  • Proprietary BCD (Bi-polar, CMOS, DMOS) and BiCMOS wafer process technology that allows the merging of dense digital circuitry with power and or magnetic sensing structures
Allegro's Businesses

The Sensor group produces Hall-effect sensor ICs offering contactless sensing for applications such as direction-detection, gear-tooth, speed, linear, angle, current and position sensing for automotive, industrial, consumer, and portable electronics.

The IC group produces power ICs for motor drivers, motor control and switching regulation. Allegro's ICs are used in office automation (particularly printers), industrial, automotive and portable electronics markets.

Manufacturing

Allegro understands that investment in manufacturing is critical to long-term success. The ongoing investment in IC fabrication, packaging, and testing facilities, both in the US and abroad, ensures that Allegro is poised to meet the needs of all customers. The company is committed to manufacturing integrated circuits with the highest standards of quality, reliability and service.

Allegro Facts

Allegro has forty years experience in the semiconductor industry. With over 3,000 employees worldwide, Allegro is headquartered in Worcester, MA, where corporate management, design, marketing and customer service are located in a 250,000 sq. ft. facility. The company also has a 100K sq. ft. business development facility in New Hampshire that houses business management, marketing, design, and product test.

Wafers are manufactured at an affiliated company (Polar Semiconductor) located in Minneapolis, Minnesota. Production test and select product assembly is housed in a wholly owned subsidiary located in the Philippines. There are additional remote sites worldwide that support design, applications, and sales functions. Sales are balanced worldwide throughout North and South America, Europe, Japan and Asia-Pacific, with products sold primarily to OEMs through a strong worldwide sales channel that includes a direct sales force, manufacturer’s representatives and distribution. The company is TS16949 and ISO14001 registered and has received quality awards from leading manufacturers worldwide.

Allegro is a wholly owned subsidiary of Sanken Electric Company, Ltd., a billion dollar company who manufactures semiconductors, discretes, LEDs, and switch mode power supplies, with headquarters in Saitama, Japan. The two companies jointly develop advanced wafer technologies. This enables both organizations to fully utilize the company's worldwide strengths and resources for the benefit of our customers.
Allegro MicroSystems, LLC.
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