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TPS61028 Status:ACTIVE

Adjustable, 800mA Switch, 96% Efficient Boost Converter w/LDO Down-Mode, QFN-10

      
         
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Datasheet

Download - PDF Icon
  • 96% Efficient Synchronous Boost Converter (Rev. D) (tps61028.pdf, 889 KB)
    21 Feb 2006 Download

 TPS61020 TPS61024 TPS61025 TPS61026 TPS61027 TPS61028TPS61029 
Iout(Max)(A)0.5  0.5  0.5  0.6  0.5  0.2  0.6  
Iq(Typ)(mA)0.025  0.025  0.025  0.025  0.025  0.025  0.025  
Vin(Min)(V)0.9  0.9  0.9  0.9  0.9  0.9  0.9  
Vin(Max)(V)6.5  6.5  6.5  5.5  6.5  6.5  5.5  
Vout(Min)(V)1.8      1.8  1.8  
Vout(Max)(V)5.5      5.5  5.5  
Preset Vout(V) 3  3.3  5  5    
Switching Frequency(Max)(kHz)720  720  720  720  720  720  720  
Regulated Outputs(#)1  1  1  1  1  1  1  
Duty Cycle(Max)(%)100  100  100  100  100  100   
Switch Current Limit(Typ)(A)1.5  1.5  1.5  1.8  1.5  0.8  1.8  
Operating Temp Range(Celsius)-40 to 85  -40 to 85  -40 to 85  -40 to 85  -40 to 85  -40 to 85  -40 to 85  
Pin/Package10SON  10SON  10SON  10SON  10SON  10SON  10SON  
 SamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TPS61070: Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23
  • TPS61020: Adjustable, 1.5-A Switch, 96% Efficient Boost Converter with Down-Mode, QFN-10
  • TPS61030: Adjustable, 1-A, 96% Efficient Boost Converter w/20uA Iq in TSSOP-16
  • TPS63000: 96% Buck-Boost Converter with 1.8A Current Switches in 3x3 QFN
  • TPS40200: Wide Input Nonsynchronous Buck DC/DC Controller
  • MC34063A: 1.5-A Boost/Buck/Inverting Switching Regulator

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Product Information

Features

  • 96% Efficient Synchronous Boost Converter
  • Output Voltage Remains Regulated When Input Voltage Exceeds Nominal Output Voltage
  • Device Quiescent Current: 25 µA (Typ)
  • Input Voltage Range: 0.9 V to 6.5 V
  • Fixed and Adjustable Output Voltage Options Up to 5.5 V
  • Power Save Mode for Improved Efficiency at Low Output Power
  • Low Battery Comparator
  • Low EMI-Converter (Integrated Antiringing Switch)
  • Load Disconnect During Shutdown
  • Over-Temperature Protection
  • Small 3 mm × 3 mm QFN-10 Package
  • APPLICATIONS
    • All One-Cell, Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products
    • Portable Audio Players
    • PDAs
    • Cellular Phones
    • Personal Medical Products
    • Camera White LED Flash Light

PowerPAD is a trademark of Texas Instruments.

Description

The TPS6102x devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the Power Save mode to maintain a high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum peak current in the boost switch is limited to a value of 800 mA, 1500 mA or 1800mA depending on the device version.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin QFN PowerPAD™ package measuring 3 mm x 3 mm (DRC).

    

Pricing / Packaging / CAD Design Tools / Samples

Price ($US)PackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price ($US) | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
TPS61028DRCRACTIVE-40 to 851.90 | 100uSON (DRC) | 10 View 3000 | LARGE T&R Download CAD Format for this Symbol
TPS61028DRCRG4ACTIVE-40 to 851.90 | 100uSON (DRC) | 10 View 3000 | LARGE T&R Download CAD Format for this Symbol

* 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

  TI Inventory Status Reported Distributor Inventory
TPS61028DRCRAs of 7:49 AM GMT, 07 Sep 2008As of 7:49 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 >10k* >10k | 29 Oct 6 Weeks AmericasDigiKey 261
  Mouser Electronics >1k
  Newark >1k
  AsiaWPI >1k
TPS61028DRCRG4As of 7:49 AM GMT, 07 Sep 2008As of 7:49 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 >10k* >10k | 29 Oct 6 Weeks None Reported
View Distributors		   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** 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
TPS61028DRCR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS61028DRCRG4 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

Datasheets

  • 96% Efficient Synchronous Boost Converter (Rev. D) (tps61028.pdf, 889 KB)
    21 Feb 2006 Download

Application Notes

  • Optimizing Transient Response of Internally Compensated DC-DC Converters (slva289.htm, 8 KB)
    28 Jan 2008 Abstract
  • Minimizing Ringing at the Switch Node of a Boost Converter (slva255.htm, 8 KB)
    15 Sep 2006 Abstract
  • Factors That Determine Light Load PSM Switch Freq for TPS6102x Boost Converters (slva235.htm, 8 KB)
    21 Apr 2006 Abstract
  • Performing Accurate PFM Mode Efficiency Measurements (slva236.htm, 8 KB)
    18 Apr 2006 Abstract
  • TPS6102x Boost Converter Down Conversion Mode (slva199.htm, 8 KB)
    16 Dec 2004 Abstract

User Guides

  • TPS61020EVM: High-Efficiency Synchronous Boost Converters (slvu100.htm, 8 KB)
    17 Nov 2003 Abstract

White Papers

  • A Step-Down Conversion Concept for a PWM-Mode Boost Converter  (slva144.htm, 9 KB)
    26 Aug 2003  Abstract

Tools & Software

NamePart # CompanySoftware/Tool Type
  • TPS6102xVM Gerber Files(slvc139.zip, 92 KB )
               08 Oct 2007 zip

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TPS61030Adjustable, 1-A, 96% Efficient Boost Converter w/20uA Iq in TSSOP-16TI customers also evaluated this product.
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