Texas Instruments LP3954 Handleiding
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LP3954
www.ti.com
SNVS340D–JUNE2005–REVISEDMARCH2013
AdvancedLightingManagementUnit
CheckforSamples:LP3954
1
FEATURES
DESCRIPTION
LP3954isanadvancedlightingmanagementunitfor
2
•AudioSynchronizationforColor/RGBLEDs
handhelddevices.Itdrivesanyphonelightsincluding
•CommandBasedPWMControlledRGBLED
displaybacklights,RGB,keypadandcameraflash
Drivers
LEDs.TheboostDC-DCconverterdriveshigh
•HighCurrentDriverforFlashLEDWithBuilt-in
currentloadswithhighefficiency.WhiteLED
backlightdriversarehighefficiencylowvoltage
Timing
structureswithexcellentmatchingandautomaticfade
•4+2or6LowVoltageConstantCurrentWhite
in/fadeoutfunction.Thenewstand-alonecommand
LEDDriversWithOrogrammable8-Bit
basedRGBcontrollerisfeaturerichandeasyto
Adjustment(0…25mA/LED)
configure.Built-inaudiosynchronizationfeature
•HighEfficiencyBoostDC-DCConverter
allowsusertosynchronizethecolorLEDstoaudio
input.Integratedhighcurrentdrivercandrivecamera
•SPI/I
2
CCompatibleInterface
flashLEDormotor/vibra.InternalADCcanbeused
•PossibilityforExternalPWMDimmingControl
forambientlightortemperaturesensing.Theflexible
•PossibilityforClockSynchronizationforRGB
SPI/I
2
CinterfaceallowseasycontrolofLP3954.
Timing
SmallDSBGApackagetogetherwithminimum
numberofexternalcomponentsisabestfitfor
•AmbientLightandTemperatureSensing
handhelddevices.
Possibility
•SmallPackage–DSBGA,3.0x3.0x0.6mm
APPLICATIONS
•CellularPhones
•PDAs,MP3players
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2005–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP3954 |
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