Allegro MicroSystems, Inc. Introduces a New High Performance Fault Tolerant LED Driver

Fully Integrated Solution Provides 240 mA total via 2-Channels

November 9, 2010

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Worcester, MA – Allegro MicroSystems, Inc. introduces a new multi-output white LED driver for LCD backlighting in consumer and industrial displays. Allegro’s new A8515 device has advanced protection features to provide optimized viewing. It integrates a current-mode boost converter with internal power switch and two current sinks.

The boost converter can drive up to 24 LEDs at 120 mA. The two LED current sinks can also be paralleled together to achieve LED currents up to 240 mA. This new device can operate from a single power supply from 5 V to 40 V. The low 720 mV regulation voltage on LED current sources reduces power loss and improves efficiency. A comprehensive fault table is included in the datasheet to describe the leading-edge performance and protection features of the A8515. It also integrates a driver for an (optional) external input disconnect switch.

The A8515GLPTR-T is available in an eTSSOP-16 (LP) exposed pad package for advanced thermal performance.



Allegro MicroSystems is redefining the future of power and sensing technologies. From green energy to advanced mobility and motion control systems, our team is passionate about developing intelligent solutions that move the world forward and give our customers a competitive edge. With global engineering, manufacturing and support, Allegro is a trusted partner to both large enterprises and regional market leaders worldwide. Visit www.allegromicro.com.


Editorial Contact:

Nicole Bump
Senior Manager, Marketing Communication
Tel: (603) 314-1586
nbump@allegromicro.com
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