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TPS2145 Status: ACTIVE

Adjustable LDO + Dual Switch For USB, DSP, And Portable Applications, Active-Low Enables


      
         
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 TPS2145TPS2147 TPS2148 TPS2149 TPS2155 TPS2158 TPS2159 
Number of FETs2  2  2  2  2  2  2  
Vin(Min)(V)2.9  2.9  2.9  2.9  2.9  2.9  2.9  
Vin(Max)(V)5.5  5.5  5.5  5.5  5.5  5.5  5.5  
Switch EnableL  L  L  L  H  H  H  
rDS(on) per FET, Bus Power(Typ)(mOhms)340  340  340  340  340  340  340  
ApplicationDSP, PDA  DSP, PDA  USB peripheral  USB 2-port hub  DSP, PDA  USB peripheral  USB 2-port hub  
Switch Current Limit, Bus Power(Min)(A)0.2  0.2  0.2  0.2  0.2  0.2  0.2  
LDO Output Range(V)3.3  3.3  3.3  3.3  3.3  3.3  3.3  
LDO Output Current(mA)200  200  200  200  200  200  200  
Ports(Max)2  2  2  2  2  2  2  
Pin/Package14HTSSOP  10MSOP-PowerPAD  8MSOP-PowerPAD  8MSOP-PowerPAD  14HTSSOP  8MSOP-PowerPAD  8MSOP-PowerPAD  
 SamplesSamplesSamplesSamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TPS63030: High Efficient Single Inductor Buck-Boost Converter with 1-A Switches

    • Product Information

    Features

    • Two 340-m (Typical) High-Side MOSFETs
    • 200 mA Low-Dropout Voltage Regulator In Fixed 3.3-V or Adjustable Versions
    • Independent Thermal- and Short-Circuit Protection for LDO and Each Switch
    • Overcurrent Indicators With Transient Filter
    • 2.9-V to 5.5-V Operating Range
    • CMOS- and TTL-Compatible Enable Inputs
    • 75-uA (Typical) Supply Current
    • Available in 10-Pin MSOP or 14-Pin TSSOP (PowerPAD™)
    • -40°C to 85°C Ambient Temperature Range
    • APPLICATIONS
      • USB Hubs and Peripherals
        • Keyboards
        • Zip Drives
        • Speakers and Headsets
      • PDAs and Portable Electronics
      • DSP Power Sequencing

    PowerPAD is a trademark of Texas Instruments.

    Description

    Two power-distribution switches and an adjustable (TPS2145) or fixed (TPS2147) LDO are incorporated in one small package, providing a power management solution that saves up to 60% in board space over typical implementations.

    Designed to meet USB 2.0 bus-powered hub requirements, these devices also allow core and I/O voltage sequencing in DSP applications, or power segmentation in portable equipment. Each current-limited switch is a 340-m N-channel MOSFET capable of supplying 200 mA of continuous current. A logic enable compatible with 5-V logic and 3-V logic controls each MOSFET as well as the LDO in the TPS2145. The internal charge pump provides the gate drive controlling the power-switch rise times and fall times, minimizing current surges during switching.

    View All Description in Datasheet

    		    

    Pricing / Packaging / CAD Design Tools / Samples

    PricePackagingCAD Design ToolsSamples
    DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
    TPS2145IPWPACTIVE-40 to 851.60 | 1kuHTSSOP (PWP) | 14 View 90 | TUBE Download CAD Format for this Symbol
    TPS2145IPWPG4ACTIVE-40 to 851.60 | 1kuHTSSOP (PWP) | 14 View 90 | TUBE Download CAD Format for this Symbol
    TPS2145IPWPRACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 14 View 2000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
    TPS2145IPWPRG4ACTIVE-40 to 851.45 | 1kuHTSSOP (PWP) | 14 View 2000 | LARGE T&R Download CAD Format for this SymbolPurchase 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 10:17 AM GMT, 22 Nov 2009
    RegionCompanyIn StockPurchase
    TI Lead Time*: 20 WeeksTPS2145IPWP
    AmericasRochester Electronics >1k
    AsiaFarnell Asia 90
    EuropeFarnell 90
    WorldwideDigiKey 175
    TI Lead Time*: 20 WeeksTPS2145IPWPG4
    WorldwideDigiKey  Available
    TI Lead Time*: 20 WeeksTPS2145IPWPR
    WorldwideDigiKey  Available
    TI Lead Time*: 20 WeeksTPS2145IPWPRG4
    WorldwideDigiKey  Available
    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
    TPS2145IPWP RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
    TPS2145IPWPG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
    TPS2145IPWPR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
    TPS2145IPWPRG4 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 TPS2145 Help

    Datasheet

    Customers Who Evaluated This Product Also Evaluated...
    Part # Name Product Family Comments
    TPS63030 High Efficient Single Inductor Buck-Boost Converter with 1-A Switches DC/DC CONVERTERS (INTEGRATED SWITCH)-BUCK-BOOST REGULATORS TI customers also evaluated this product.

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