Datasheet Texas Instruments LP3944

ManufacturerTexas Instruments
SeriesLP3944
Datasheet Texas Instruments LP3944

RGB/White/Blue 8-LED Fun Light Driver

Datasheets

LP3944 RGB/White/Blue 8-LED Fun Light Driver datasheet
PDF, 930 Kb, Revision: A, File published: Apr 6, 2013
Extract from the document

Prices

Status

LP3944ISQ/NOPBLP3944ISQX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNo

Packaging

LP3944ISQ/NOPBLP3944ISQX/NOPB
N12
Pin2424
Package TypeRTWRTW
Industry STD TermWQFNWQFN
JEDEC CodeS-PQFP-NS-PQFP-N
Package QTY10004500
CarrierSMALL T&RLARGE T&R
Device Marking3944SQ3944SQ
Width (mm)44
Length (mm)44
Thickness (mm).75.75
Pitch (mm).5.5
Max Height (mm).8.8
Mechanical DataDownloadDownload

Parametrics

Parameters / ModelsLP3944ISQ/NOPB
LP3944ISQ/NOPB
LP3944ISQX/NOPB
LP3944ISQX/NOPB
Number of Channels88
Iout(Max), A0.20.2
Iq(Typ), mA0.350.35
LED88
LED ConfigurationParallelParallel
LED Current Per Channel, mA2525
Operating Temperature Range, C-40 to 85-40 to 85
Package GroupWQFNWQFN
Package Size: mm2:W x L, PKG24WQFN: 16 mm2: 4 x 4(WQFN)24WQFN: 16 mm2: 4 x 4(WQFN)
Peak Efficiency, %100100
Program MemoryNoNo
Programmable Ramp ControlNoNo
RatingCatalogCatalog
Shutdown Current(Typ), uA22
Special FeaturesI2C ControlI2C Control
TopologyLinearLinear
Vin(Max), V5.55.5
Vin(Min), V2.32.3
Vout(Max), V5.55.5
Vout(Min), V-0.5-0.5

Eco Plan

LP3944ISQ/NOPBLP3944ISQX/NOPB
RoHSCompliantCompliant

Application Notes

  • AN-1715 LP3943/LP3944 as a GPIO Expander (Rev. A)
    PDF, 138 Kb, Revision: A, File published: Apr 30, 2013
    This application report describes how to use LP3943/44 as a general-purpose input/output (GPIO)expander. It is recommended that circuit data sheets are read first and used in conjunction with thisdocument.

Model Line

Manufacturer's Classification

  • Semiconductors> Power Management> LED Driver> Indicator/RGBW