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LP39542 - Advanced Lighting Management

Description

LP39542 is an advanced lighting management unit for handheld devices.

It drives any phone lights including display backlights, RGB, keypad and camera flash LEDs.

The boost DC-DC converter drives high current loads with high efficiency.

Features

  • Audio synchronization for color/RGB LEDs Command based PWM controlled RGB LED drivers Programmable ON/OFF blinking sequences for RGB LED High current driver for flash LED with built-in timing and safety feature. 4+2 or 6 low voltage constant current white LED drivers with programmable 8-bit adjustment (025 mA/LED) High efficiency Boost DC-DC converter I2C compatible interface Possibility for external PWM dimming control Possibilit.

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Datasheet preview – LP39542

Datasheet Details

Part number LP39542
Manufacturer National Semiconductor
File Size 2.93 MB
Description Advanced Lighting Management
Datasheet download datasheet LP39542 Datasheet
Additional preview pages of the LP39542 datasheet.

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Full PDF Text Transcription

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LP39542 Advanced Lighting Management Unit www.DataSheet4U.com August 2007 LP39542 Advanced Lighting Management Unit General Description LP39542 is an advanced lighting management unit for handheld devices. It drives any phone lights including display backlights, RGB, keypad and camera flash LEDs. The boost DC-DC converter drives high current loads with high efficiency. White LED backlight drivers are high efficiency low voltage structures with excellent matching and automatic fade in/ fade out function. The stand-alone command based RGB controller is feature rich and easy to configure. Built-in audio synchronization feature allows user to synchronize the color LEDs to audio input. Integrated high current driver can drive camera flash LED or motor/vibra.
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