Datasheet Texas Instruments LP8543

ManufacturerTexas Instruments
SeriesLP8543
Datasheet Texas Instruments LP8543

SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight

Datasheets

LP8543 SMBus/I2C Controlled WLED Driver for Medium-Sized LCD Backlight datasheet
PDF, 1.2 Mb, Revision: D, File published: Mar 12, 2013
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Prices

Status

LP8543SQ/NOPBLP8543SQE/NOPBLP8543SQX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoYesYes

Packaging

LP8543SQ/NOPBLP8543SQE/NOPBLP8543SQX/NOPB
N123
Pin242424
Package TypeRTWRTWRTW
Industry STD TermWQFNWQFNWQFN
JEDEC CodeS-PQFP-NS-PQFP-NS-PQFP-N
Package QTY10002504500
CarrierSMALL T&RSMALL T&RLARGE T&R
Device MarkingL8543SQL8543SQL8543SQ
Width (mm)444
Length (mm)444
Thickness (mm).75.75.75
Pitch (mm).5.5.5
Max Height (mm).8.8.8
Mechanical DataDownloadDownloadDownload

Parametrics

Parameters / ModelsLP8543SQ/NOPB
LP8543SQ/NOPB
LP8543SQE/NOPB
LP8543SQE/NOPB
LP8543SQX/NOPB
LP8543SQX/NOPB
Number of Channels777
Duty Cycle(Max), %100100100
LED707070
LED Current Per Channel, mA606060
Operating Temperature Range, C-30 to 85-30 to 85-30 to 85
Package GroupWQFNWQFNWQFN
Package Size: mm2:W x L, PKG24WQFN: 16 mm2: 4 x 4(WQFN)24WQFN: 16 mm2: 4 x 4(WQFN)24WQFN: 16 mm2: 4 x 4(WQFN)
Peak Efficiency, %919191
RatingCatalogCatalogCatalog
Shutdown Current(Typ), uA111
Special FeaturesEnable/Shutdown,I2C Control,PWM ControlEnable/Shutdown,I2C Control,PWM ControlEnable/Shutdown,I2C Control,PWM Control
Switching Frequency(Max), kHz125012501250
TopologyBoost,Current SinkBoost,Current SinkBoost,Current Sink
TypeInductiveInductiveInductive
Vin(Max), V222222
Vin(Min), V5.55.55.5
Vout(Max), V404040
Vout(Min), V101010

Eco Plan

LP8543SQ/NOPBLP8543SQE/NOPBLP8543SQX/NOPB
RoHSCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Semiconductors> Power Management> LED Driver> Backlight