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TPS65170 Status: ACTIVE

LCD Bias Supply


      
         
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Datasheet

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 TPS65170
Vin(Min)(V)8.6  
Vin(Max)(V)14.7  
DC/DC Converter2  
Charge Pump2  
Pin/Package28QFN  
Operating Temp Range(Celsius)-40 to 85  
Switching Frequency(Max)(kHz)750  
Vout(Min)(V)15  
Vout(Max)(V)18.5  
Regulated Outputs(#)4  
RatingCatalog  
TopologyBuck, Boost, Charge Pump  
Iout(Max)(A)2  
Iq(Typ)(mA)1  
Vout1(V)3.3  
Priority(Used for PQS)3  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • TPS65166: Compact LCD Bias Supply for TFT-LCD TV
  • TPS65146: Compact LCD Bias IC for Notebook & Monitor with LDO, VCOM Buffer and Reset IC
  • TPS65171: Compact LCD Bias Supply for TFT-LCD TV Panels
  • BQ24747: SMBus-Controlled Level 2 Multi-Chemistry Battery Charger
  • TPS54160: 3.5V to 60V, 1.5A Step Down SWIFT™ Converter with Eco-Mode™

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Product Information

Features

  • 8.6V to 14.7V Input Voltage Range
  • 2.8A Boost Converter Switch Current Limit
  • Boost Converter Output Voltages up to 18.5V
  • Boost and Buck Converter Short-Circuit Protection
  • 1.5A Buck Converter Switch Current Limit
  • Fixed 750kHz Switching Frequency for Buck and Boost Converters
  • Fixed Buck Converter Soft-Start
  • Programmable Boost Converter Soft-Start
  • Two Charge Pump Controllers to Regulate VGH and VGL
  • Control Signal for External High-Side MOSFET Isolation Switch
  • Reset Signal With Programmable Reset Pulse Duration
  • Thermal Shutdown
  • 28-Pin 5×5 mm QFN Package
  • APPLICATIONS
    • LCD TVs and Monitors

Description

The TPS65170 provides a simple and economic power supply solution for a wide variety of LCD bias applications.

In typical display panel applications, the boost converter generates the display panel’s source voltage VS, the buck converter generates the system’s logic supply VLOGIC, and the two charge pump controllers regulate the external charge pumps generating the display transistors’ on and off supplies VGH and VGL.

By using external transistors to regulate the charge pump output voltage, power dissipation in the IC is significantly reduced, simplifying PCB thermal design and improving reliability.

The TPS65170 also provides a reset circuit that monitors the buck converter output (VLOGIC) and generates a reset signal for the timing controller during power-up.

View All Description in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
TPS65170RHDRACTIVE-40 to 851.40 | 1kuQFN (RHD) | 28 View 3000 | LARGE T&RPurchase Samples
TPS65170RHDTACTIVE-40 to 851.55 | 1kuQFN (RHD) | 28 View 250 | SMALL T&R

* 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 10:07 AM GMT, 22 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksTPS65170RHDR
None Reported
View Distributors
TI Lead Time*: 20 WeeksTPS65170RHDT
WorldwideDigiKey 114
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
TPS65170RHDR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS65170RHDT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* 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 TPS65170 Help

Datasheet

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
TPS65166 Compact LCD Bias Supply for TFT-LCD TV LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
TPS65146 Compact LCD Bias IC for Notebook & Monitor with LDO, VCOM Buffer and Reset IC LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
TPS65171 Compact LCD Bias Supply for TFT-LCD TV Panels LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
TPS65130 800mA/1950mA Boost Current w/ Pos.& Neg.(Dual) output for OLED & CCD sensor, 24 QFN LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
TPS65190 10-Channel Level Shifter for LCD Displays LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
TPS65163 LCD Bias with Integrated 9-Channel Level Shifter for LCD Displays LIGHTING AND DISPLAY SOLUTIONS-LCD/OLED DISPLAY BIAS SOLUTIONS TI customers also evaluated this product.
BQ24747 SMBus-Controlled Level 2 Multi-Chemistry Battery Charger BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT TI customers also evaluated this product.
TPS54160 3.5V to 60V, 1.5A Step Down SWIFT™ Converter with Eco-Mode™ DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS TI customers also evaluated this product.

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