ADP5520 - Backlight Driver

Product Overview

Analog Devices

Datasheet Details

Part number	ADP5520
Manufacturer	Analog Devices
File Size	1.19 MB
Description	Backlight Driver
Datasheet	ADP5520 Datasheet
Additional preview pages of the ADP5520 datasheet.

Product details

Description

The ADP5520 is a versatile single-chip, white LED backlight driver with a user configurable I/O expander.

This device fits handset applications where the flip or slider section of the phone requires backlighting, I/O signaling and detecting, auxiliary LED lighting, and keypad functions.

Features

Efficient asynchronous boost converter for driving up to 6 white LEDs 2.7 V to 5.5 V input voltage range 128 programmable backlight LED current levels (30 mA maximum) Ambient light sensing with autonomous backlight adjustment Programmable backlight fade-in/fade-out times Programmable backlight dim and off times 8 configurable GPIO pins (input, output, up to 4 × 4 keypad) Up to 3 auxiliary LED current sinks (1 dedicated, 2 configurable) 64 programmable auxiliary LED current levels (14 mA maximum).

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Other Datasheets by Analog Devices

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Published: Oct 31, 2008 |