Datasheet Texas Instruments LP8556SQE-E08/NOPB — Datenblatt

HerstellerTexas Instruments
SerieLP8556
ArtikelnummerLP8556SQE-E08/NOPB
Datasheet Texas Instruments LP8556SQE-E08/NOPB

6-Kanal-LED-Hintergrundbeleuchtungstreiber mit hoher Effizienz und Effizienz 24-WQFN -30 bis 85

Datenblätter

LP8556 High-Efficiency LED Backlight Driver for Tablets datasheet
PDF, 1.2 Mb, Revision: I, Datei veröffentlicht: Mar 22, 2016
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Preise

Status

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

Verpackung

Pin24
Package TypeRTW
Industry STD TermWQFN
JEDEC CodeS-PQFP-N
Package QTY250
CarrierSMALL T&R
Device MarkingL8556E8
Width (mm)4
Length (mm)4
Thickness (mm).75
Pitch (mm).5
Max Height (mm).8
Mechanical DataHerunterladen

Parameter

Number of Channels6
Duty Cycle(Max)100 %
LED60
LED Current Per Channel50 mA
Operating Temperature Range-30 to 85 C
Package GroupWQFN
Package Size: mm2:W x L24WQFN: 16 mm2: 4 x 4(WQFN) PKG
Peak Efficiency95 %
RatingCatalog
Shutdown Current(Typ)0.1 uA
Special FeaturesI2C Control
Switching Frequency(Max)1250 kHz
TopologyBoost
TypeInductive
Vin(Max)20 V
Vin(Min)2.7 V
Vout(Max)48 V
Vout(Min)7 V

Öko-Plan

RoHSCompliant

Design Kits und Evaluierungsmodule

  • Evaluation Modules & Boards: LP8556TM-EVM
    LP8556TM-EVM
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LP8556SQ-EVM
    LP8556SQ-EVM
    Lifecycle Status: Active (Recommended for new designs)

Anwendungshinweise

  • AN-1112 DSBGA Wafer Level Chip Scale Package (Rev. AG)
    PDF, 13.7 Mb, Revision: AG, Datei veröffentlicht: Aug 12, 2015
  • Increasing Full-Load Efficiency of a Backlight Driver
    PDF, 1.2 Mb, Datei veröffentlicht: Jun 5, 2013
    This application report discusses a way to increase the efficiency of the boost converter in a backlightdriver by reducing conduction and AC losses in the inductor, thereby increasing the overall efficiency ofthe backlight driver at higher loads.
  • Inductor Selection in Boost Converters for LCD Backlight Applications
    PDF, 764 Kb, Datei veröffentlicht: Oct 24, 2016
    White LED drivers for LCD back-light applications are often designed for battery-powered devices. This makes circuit size and efficiency crucial. Because of this, selecting the optimal inductor is one of the mostimportant aspects of the design. This application note discusses the important parameters of the inductorand how to select the right inductor for the application.
  • Schottky Diode Selection in Asynchronous Boost Converters
    PDF, 491 Kb, Datei veröffentlicht: Sep 6, 2016
    Asynchronous boost converters require a Schottky diode as the rectifying element due to the diode's lowforward voltage and fast turn-on time. Because of these characteristics asynchronous boost converterscan have as good as, or better efficiency, than synchronous boost converters. This is especially true whenthe boost conversion ratios (VOUT/VIN) are high, and the Schottky diode conduction t
  • Power Budget for Backlight Drivers
    PDF, 592 Kb, Datei veröffentlicht: Jun 27, 2013
    This application report discusses the Power Budget of an LED backlight driver. It provides experimental and theoretical methods of calculating different losses associated with LED backlight drivers. It also provides an analytical discussion on behavior of different losses vs brightness levels.

Modellreihe

Herstellerklassifikation

  • Semiconductors > Power Management > LED Driver > Backlight LED Driver

Andere Namen:

LP8556SQEE08/NOPB, LP8556SQE E08/NOPB