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24-LFCSP
Integrated Circuits (ICs)

ADP5520ACPZ-RL

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Analog Devices

BACKLIGHT DRIVER WITH I/O EXPANDER

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24-LFCSP
Integrated Circuits (ICs)

ADP5520ACPZ-RL

Active
Analog Devices

BACKLIGHT DRIVER WITH I/O EXPANDER

Technical Specifications

Parameters and characteristics for this part

SpecificationADP5520ACPZ-RL
ApplicationsBacklight
Current - Output / Channel30 mA, 14 mA
DimmingI2C
Internal Switch(s)True
Mounting TypeSurface Mount
Number of Outputs4
Operating Temperature [Max]85 °C
Operating Temperature [Min]-40 °C
Package / Case24-VFQFN Exposed Pad, CSP
Supplier Device Package24-LFCSP-VQ (4x4)
TopologyStep-Up (Boost)
TypeDC DC Regulator
Voltage - Output27 V
Voltage - Supply (Max)5.5 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

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Description

General part information

ADP5520 Series

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. By incorporating an I2C-compatible serial interface and a single line interrupt, the ADP5520 significantly reduces the total number of lines required to interface with the baseband processor across the hinge flex.The ADP5520 can detect ambient light levels and adjust the backlight brightness accordingly, resulting in extended battery operation.Once configured, the ADP5520 is capable of controlling the flip/slider backlight intensity, on/off timing, dimming, and fading without the intervention of the main processor, which results in valuable battery power saving.ApplicationsDisplay backlight driver for phones that require slider or flip keypad functions with single or multiple LED indicators