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TPS75103 Status: ACTIVE

Low Dropout, Two-Bank LED Driver with PWM Brightness Control


      
         
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 TPS75103TPS75105 
TopologyLDO  LDO  
TypeLinear  Linear  
Vin(Min)(V)2.7  2.7  
Vin(Max)(V)5.5  5.5  
Output Voltage(Max)(V)3.6  3.6  
LED(#)2 x 2  2 x 2  
LED ConfigurationParallel  Parallel  
Peak Efficiency(%)87  87  
Iq(Typ)(mA)0.18  0.18  
Pin/Package9DSBGA  9DSBGA  
Iout(Max)(A)0.025  0.025  
 SamplesSamples
 InventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TPS75105: Low Dropout, Two-Bank LED Driver with PWM Brightness Control
  • TPS61195: 96 LED, 8-Channel White LED Driver for LCD Backlight with SMBus Interface
  • TPS61043: TPS61043: Constant Current LED Driver
  • TL4242: Adjustable LED Driver

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Product Information

Features

  • Regulated Output Current with 2% LED-to-LED Matching
  • Drives up to Four LEDs at 25mA Each in a Common Cathode Topology
  • 28mV Typical Dropout Voltage Extends Usable Supply Range in Li-Ion Battery Applications
  • Brightness Control Using PWM Signals
  • Two 2-LED Banks with Independent Enable and PWM Brightness Control per Bank
  • No Internal Switching Signals—Eliminates EMI
  • Default LED Current Eliminates External Components
    • Default values from 3mA to 10mA (in 1mA increments) available using innovative factory EEPROM programming
    • Optional external resistor can be used for high-accuracy, user-programmable current
  • Over-Current and Over-Temperature Protection
  • Available in Wafer Chip-Scale Package or 2,5mm × 2,5mm SON-10
  • APPLICATIONS
    • Keypad and Display Backlighting
    • White and Color LEDs
    • Cellular Handsets
    • PDAs and Smartphones

All trademarks are the property of their respective owners.

Description

The TPS7510x linear low dropout (LDO) matching LED current source is optimized for low power keypad and navigation pad LED backlighting applications. The device provides a constant current to up to four unmatched LEDs organized in two banks of two LEDs each in a common-cathode topology. Without an external resistor, the current source defaults to factory-programmable, preset current level with ±0.5% accuracy (typical). An optional external resistor can be used to set initial brightness to user-programmable values with higher accuracy. Brightness can be varied from off to full brightness by inputting a pulse width modulation (PWM) signal on each Enable pin. Each bank has independent enable and brightness control, but current matching is done to all four channels concurrently.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusPrice | QuantityPackage | PinsPackage QTY | Package CarrierSymbolsFootprintsSamples
TPS75103YFFRACTIVE0.65 | 1kuDSBGA (YFF) | 9 3000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
TPS75103YFFTACTIVE0.70 | 1kuDSBGA (YFF) | 9 250 | SMALL T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 10:03 AM GMT, 22 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 14 WeeksTPS75103YFFR
WorldwideDigiKey >1k
Mouser Electronics >1k
TI Lead Time*: 14 WeeksTPS75103YFFT
AmericasNewark 250
Rochester Electronics 500
WorldwideDigiKey  Available
Mouser Electronics 187
View all Distributors  

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
TPS75103YFFR RoHS Compliant Green (RoHS & no Sb/Br) SNAGCU Level-1-260C-UNLIMViewView
TPS75103YFFT RoHS Compliant Green (RoHS & no Sb/Br) SNAGCU Level-1-260C-UNLIMViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for TPS75103 Help

Datasheet

Application Notes

View Application Notes for White LED Drivers

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
TPS75105 Low Dropout, Two-Bank LED Driver with PWM Brightness Control LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS61195 96 LED, 8-Channel White LED Driver for LCD Backlight with SMBus Interface LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS61043 TPS61043: Constant Current LED Driver LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS61080 27V, 500mA switch, 1.2MHz Boost Converter with integrated power diode LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS61061 19V, 400mA Switch, 1MHz Boost Converter w/Brightness Control for White LED Power Supplies LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TPS61161A White LED Driver with PWM Brightness Control in 2mm x 2mm Package. Up to 10 LEDs in Series LIGHTING AND DISPLAY SOLUTIONS-WHITE LED DRIVERS TI customers also evaluated this product.
TL4242 Adjustable LED Driver LIGHTING AND DISPLAY SOLUTIONS-LED DRIVERS TI customers also evaluated this product.

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