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ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers

ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers

  • ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers
  • ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers
ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers
Product Details:
Place of Origin: Malaysia
Brand Name: Texas Instruments
Certification: ROHS
Model Number: LP5521TMX/NOPB
Payment & Shipping Terms:
Minimum Order Quantity: 10PCS
Packaging Details: 3000PCS/REEL
Delivery Time: 2-3DAYS
Payment Terms: T/T, Western Union
Supply Ability: 12000PCS/WEEK
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Detailed Product Description
Number Of Channels: 3 Channel Input Voltage: 2.7 V To 5.5 V
Supply Current - Max: 1500 UA Minimum Operating Temperature: - 30 C
Maximum Operating Temperature: + 85 C Height: 0.47 Mm
Length: 2.07 Mm Width: 1.72 Mm
Output Voltage: 4.5 V High Level Output Current: 25500 UA
Factory Pack Quantity: 3000
High Light:

LP5521TMX/NOPB LED Lighting Drivers


ROHS 3 Channel LED Lighting Drivers


dimmable constant current led driver

LP5521TMX/NOPB LED Lighting Drivers Analog/PWM Mixed Dimming, Constant Current, Current Control, I2C Control, Power Save



     Adaptive Charge Pump With1× and 1.5× Gain Provides Up to 95%LEDDriveEfficiency
• Charge Pump with Soft Start and Overcurrent,Short-Circuit Protection
• Low Input Ripple and EMI
• VerySmallSolutionSize,No Inductoror ResistorsRequired
• 200-nATypicalShutdownCurrent
• AutomaticPowerSaveMode
• I2C-CompatibleInterface
• IndependentlyProgrammableConstantCurrentOutputswith 8-BitCurrentSettingand 8-BitPWMControl
• TypicalLEDOutputSaturationVoltage50 mV andCurrentMatching1%
• ThreeProgramExecutionEngineswith FlexibleInstructionSet
• Autonomous Operation Without External Control
• Large SRAM Program Memory
• Two GeneralPurposeDigitalOutputs


Fun and Indicator Lights
• LCD Sub-Display Backlighting
• Keypad RGB Backlighting and Phone Cosmetics
• Vibra,Speakers,WaveformGenerator
• BloodGlucoseMeter
• HandheldPOSTerminals
• ElectronicAccessControl
• Where RGB Indication is Needed


    The LP5521is a three-channelLEDdriverdesignedto producevarietyof lightingeffectsfor mobiledevices.A high-efficiencychargepumpenablesLEDdrivingoverfull Li-Ionbatteryvoltagerange.Thedevicehas a programmemoryfor creatingvarietyoflightingsequences.Whenprogrammemoryhas beenloaded,LP5521can operateautonomouslywithoutprocessorcontrolallowingpowersavings

The devicemaintainsexcellentefficiencyovera wideoperatingrangeby automaticallyselectingproperchargepumpgainbasedon LEDforwardvoltagerequirementsandis ableto automaticallyenterpower-savemode,whenLEDoutputsare not activeand thus loweringcurrentconsumption.

ThreeindependentLEDchannelshaveaccurateprogrammablecurrentsourcesandPWMcontrol.Eachchannelhasprogrammemoryfor creatingdesiredlightingsequenceswith PWMcontrol.
TheLP5521has a flexibledigitalinterface.TriggerI/O and a 32-kHzclockinputallowsynchronizationbetweenmultipledevices.Interruptoutputcanbeusedto notifyprocessor,whenLEDsequencehasended.TheLP5521hasfourpin selectableI2C-compatibleaddresses.Thisallowsconnectingup tofour paralleldevicesin one I2C-compatiblebus.GPOand INT pins can be usedas a digitalcontrolpin forotherdevices

Comprehensiveapplicationtoolsareavailable,includingcommandcompilerfor easyLEDsequenceprogramming

4.Typical Application Circuit

ROHS LP5521TMX/NOPB 3 Channel LED Lighting Drivers 0

5.Why choose us?

100% new and originao with Advantage price
High efficiency
Fast Delivery
Professional team service
10 Years Experience Electronic components
Electronic components Agent
Advantage logistic discount
Excellent After-sales Service


Contact Details
Shenzhen Hongxinwei Technology Co., Ltd

Contact Person: Mr. 段

Tel: 86-755-82715827

Fax: 86-755-22678033

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