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Design and programming examples for lighting management unit LP5526

Posted: 24 Sep 2007 ?? ?Print Version ?Bookmark and Share

Keywords:lighting management unit? LED? RGB driver?

LP5526 is a lighting management unit for portable applications. It is used to drive display backlight, keypad LEDs, color LEDs and flash LEDs. The device can drive 2 separately connected strings of LEDs with high voltage boost converter. The RGB driver allows driving either individual color LEDs or

RGB LED from separate supply voltage, or it can be used to drive flash LEDs. The main and sub outputs are high resolution current mode drivers. RGB outputs can be used in switch mode and current mode. PWM control can be used for any selected outputs. The device is controlled through 2-wire low voltage I?C compatible interface that reduces the number of required connections.

This document provides information for customers who are using LP5526. The document is written to help design, layout and software engineers and thus reduce the time needed for successful design.

Please view the PDF document for more information.

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