Datasheet Texas Instruments LP3943ISQX/NOPB

ManufacturerTexas Instruments
SeriesLP3943
Part NumberLP3943ISQX/NOPB
Datasheet Texas Instruments LP3943ISQX/NOPB

16 channel RGB/White LED driver with independent string control via SMBUS/I2C 24-WQFN -40 to 85

Datasheets

LP3943 16-Channel RGB, White-LED Driver With Independent SMBUS/I2C String Control datasheet
PDF, 985 Kb, Revision: D, File published: Nov 4, 2016
Extract from the document

Prices

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityNo

Packaging

Pin24
Package TypeRTW
Industry STD TermWQFN
JEDEC CodeS-PQFP-N
Package QTY4500
CarrierLARGE T&R
Device Marking3943SQ
Width (mm)4
Length (mm)4
Thickness (mm).75
Pitch (mm).5
Max Height (mm).8
Mechanical DataDownload

Parametrics

Number of Channels16
Iout(Max)0.2 A
Iq(Typ)0.35 mA
LED16
LED ConfigurationParallel
LED Current Per Channel25 mA
Operating Temperature Range-40 to 85 C
Package GroupWQFN
Package Size: mm2:W x L24WQFN: 16 mm2: 4 x 4(WQFN) PKG
Peak Efficiency100 %
Program MemoryNo
Programmable Ramp ControlNo
RatingCatalog
Shutdown Current(Typ)2 uA
Special FeaturesI2C Control
TopologyLinear
Vin(Max)5.5 V
Vin(Min)2.3 V
Vout(Max)5.5 V
Vout(Min)-0.5 V

Eco Plan

RoHSCompliant

Design Kits & Evaluation Modules

  • Evaluation Modules & Boards: LP3943ISQEV
    RGB White Blue 16-LED Fun Light Driver
    Lifecycle Status: Active (Recommended for new designs)

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

Series: LP3943 (3)

Manufacturer's Classification

  • Semiconductors > Power Management > LED Driver > RGB & White LED Driver