Texas Instruments LP5030 Bruksanvisning

Läs gratis den bruksanvisning för Texas Instruments LP5030 (62 sidor) i kategorin ej kategoriserat. Guiden har ansetts hjälpsam av 13 personer. Har du en fråga om Texas Instruments LP5030 eller vill du ställa frågor till andra användare av produkten? Ställ en fråga

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

Order

Now

Technical

Documents

Tools &

Software

Support &

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

Produktspecifikationer