Texas Instruments LP5562 Handleiding

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LP5562

MCU

1 PF

C

IN

SCL

SDA

CLK_32K

ADDR_SEL0

ADDR_SEL1

EN/VCC

VDD

GND

R

G

B

-

+

RGB LED

0...25.5 mA/LED

WLED

VDD

Product

Folder

Order

Now

Technical

Documents

Tools &

Software

Support &

Community

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP5562

SNVS820B–APRIL2013–REVISEDDECEMBER2016

LP5562Four-ChannelRGB-orWhite-LEDDriverWithInternalProgramMemory

andIndependentChannelControl

1

1Features

1

•FourIndependentlyProgrammableLEDOutputs

With8-BitCurrentSetting(From0mAto25.5mA

With100-μASteps)and8-BitPWMControl

•TypicalLEDOutputSaturationVoltage60mVand

CurrentMatching1%

•FlexiblePWMControlforLEDOutputs

•AutomaticPower-SaveModeWithExternalClock

•ThreeProgramExecutionEnginesWithFlexible

InstructionSet

•AutonomousOperationWithProgramExecution

Engines

•SRAMProgramMemoryforLightingPattern

Programs

•DSBGA12-PinPackage,0.4-mmPitch

2Applications

•FunLights

•IndicatorLights

•KeypadRGBBacklightingandPhoneCosmetics

3Description

TheLP5562isafour-channelLEDdriverdesignedto

producevarietyoflightingeffects.Thedevicehasa

programmemoryforcreatingvarietyoflighting

sequences.Whentheprogrammemoryhasbeen

loaded,theLP5562canoperateindependently

withoutprocessorcontrol.

TheLP5562isabletoautomaticallyenterpowersave

mode,whenLEDoutputsarenotactiveandthus

loweringcurrentconsumption.

FourindependentLEDchannelshaveaccurate

programmablecurrentsinks,from0mAto25.5mA

with100-μAstepsandflexiblePWMcontrol.Each

channelcanbeconfiguredintoeachofthethree

programexecutionengines.Programexecution

engineshaveprogrammemoryforcreatingdesired

lightingsequenceswithPWMcontrol.

TheLP5562hasfourpin-selectableI

2

Caddresses.

Thisallowsconnectinguptofourparalleldevicesin

oneI

2

Cbus.Thedevicerequiresonlyonesmall,low-

costceramiccapacitor.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(MAX)

LP5562DSBGA(12)1.648mm×1.248mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalApplicationDiagram

Product specificaties