Texas Instruments LP5036 Handleiding

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EN

SDA

SCL

OUT0

OUT1

OUT35

MCU

VCC

GND

LP5036

ADDR0

OUT2

V

LED

V

VCC

IREF

OUT34

OUT33

VCAP

ADDR1

C

VCAP

R

IREF

V

MCU

C

VCC

Product

Folder

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Now

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Tools &

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Community

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP5030

,

LP5036

SLVSEH1B–SEPTEMBER2018–REVISEDJANUARY2019

LP503x36-,30-Channel12-BitPWMUltra-lowQuiescentCurrentI

2

CRGBLEDDrivers

1

1Features

1

•OperatingVoltageRange:

–V

CC

Range:2.7Vto5.5V

–EN,SDA,andSCLPinsCompatibleWith1.8-

V,3.3-V,and5-VPowerRails

–OutputMaximumVoltage:6V

•36Constant-CurrentSinksWithHighPrecision

–25.5mAMaximumperChannelWhenV

CC

in

FullRange

–35mAMaximumperChannelWhenV

CC

≥3.3

V

–Device-to-DeviceError±5%;Channel-to-

ChannelError±5%

•UltralowQuiescentCurrent:

–ShutdownMode:1µA(Maximum)WhenEN

Low

–PowerSavingMode:12µA(Maximum)When

ENHighandAllLEDsOfffor>30ms

•Integrated12-Bit,29-kHzPWMGeneratorfor

EachChannel:

–IndependentColor-MixingRegisterPer

Channel

–IndependentBrightness-ControlRegisterPer

RGBLEDModule

–OptionalLogarithmic-orLinear-Scale

BrightnessControl

–Integrated3-Phase-ShiftingPWMScheme

•3ProgrammableBanks(R,G,B)forEasy

SoftwareControlofEachColor

•2ExternalHardwareAddressPinsAllow

Connectingupto4Devices

•BroadcastSlaveAddressAllowsConfiguring

MultipleDevicesSimultaneously

•Auto-IncrementAllowsWritingorReading

ConsecutiveRegistersWithinOneTransmission

•Upto400-kHzFast-ModeI

2

CSpeed

2Applications

LEDLighting,IndicatorLights,andFunLightsfor:

•SmartSpeaker

•SmartHomeAppliances

•VideoDoorbell

•ElectricSmartLock

•SmokeDetector

•Set-TopBox

•SmartRouter

•HandheldDevices

3Description

Efficientandhigh-performanceLEDresponseeffects,

suchasblinking,breathing,andchasing,arecritical

toimprovingend-userexperienceinmanyhuman

machineinterface(HMI)applications.

TheLP503xdeviceisa30-or36-channelconstant-

current-sinkLEDdriver.TheLP503xhasa29kHz,

12-BitPWMgeneratorforeachchannel,aswellas

channel/moduleindependentcolormixingand

intensitycontrol,formerlycalledbrightnesscontrol

registerstoenablevividLEDeffectswithzeroaudible

noise.Userscanbenefitfromthedevice’sultra-low

shutdownIqPowerSavingMode,whiledesignerswill

appreciatetheincrediblystraightforwardsoftware

codingoftheLP503x’sthreeprogrammableRGB

banks.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LP5030

VQFN(46)6.00mm×5.00mm

LP5036

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematic

Product specificaties