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The Tinker's Toolbox - Peter Green of International Rectifier on Driving Solid-State Lighting

Wed, 12/07/2011 - 5:46am

Alix PaultreHosted by Alix Paultre, the Tinker's Toolbox is the Advantage Design Group's web-based interview show where we talk about the latest technology, components, and design issues for the electronic design engineering community.

Peter Green In this podcast we talk to Peter Green of International Rectifier about solid-state lighting and the circuits needed to drive them. The company is a leader in analog- and mixed-signal ICs, advanced circuit devices, integrated power systems, and components for the electronic design community. IR recently released the IRS2980 high-voltage buck regulator control IC for LED light bulb replacement, LED tube lighting and other non-isolated LED driver applications. 

Here is a link to the podcast in case the playback button isn't working: International Rectifier Interview

Here is a presentation on the IRS2980: IRS2980

Here is a datasheet on the IRS2980: SSL datasheet

Here is the press release on the device:

LEDrivIRInternational Rectifier, a world leader in power management technology, introduced the IRS2980 high-voltage buck regulator control IC for LED light bulb replacement, LED tube lighting and other non-isolated LED driver applications.

Rated at 600 V, the IRS2980 is the first in a family of high-voltage LEDrivIR ICs, and utilizes hysteretic average current mode control for precise current regulation.  The LED buck driver features low-side MOSFET drive with high-voltage internal regulator and high-side current sensing. The converter is compatible with electronic PWM dimming allowing for 0%-100% current control.

“In the rapidly growing solid state lighting sector, there is a need for low cost driver electronics to supply constant current output to high brightness, high power LEDs. The new IRS2980 LEDrivIR IC offers improved performance at a lower system cost than alternative solutions for non-isolated LED driver applications,” said Peter Green, LED Group Manager, IR’s Energy Saving Products Business Unit.

Available in an SO-8 package, the IRS2980 utilizes IR’s advanced high-voltage IC process which incorporates latest-generation high-voltage level-shifting and termination technology to deliver superior electrical over-stress protection and higher field reliability, in addition to other new features and enhancements.

Part Number

Package

Voltage

VTH

Io

Max Frequency

IRS2980SPBF

SO8

600 V

0.5V

+/-  80/260mA

150kHz

A datasheet and application note are available on the International Rectifier website at www.irf.com. A reference design, the IRPLLED7, featuring the IRS2980DS is also available.

Pricing for the IRS2980 begins at US $0.60 each in quantities of 10,000-units. The IRPLLED7 costs US $99 per kit. Production quantities are available immediately. The devices are lead free and RoHS compliant. Prices are subject to change.

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