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TPS28226 Status: ACTIVE

8-Pin High Frequency 4-Amp Sink Synchronous MOSFET Driver


      
         
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Datasheet

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 TPS28225 TPS28226
No. of Outputs2  2  
Driver ConfigurationSingle  Single  
VCC(Min)(V)4  4  
VCC(Max)(V)8.8  8.8  
Peak Output Current(A)6  6  
Rise Time(ns)10  10  
Fall Time(ns)5  5  
Prop Delay(ns)14  14  
Input ThresholdSelf Adjustable in 3V-13V range  Self Adjustable in 3V-13V range  
Pin/Package8SOIC, 8SON  8SOIC, 8SON  
RatingCatalog  Catalog  
 SamplesSamples
 InventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • TPS28225: 8-Pin High Frequency 4-Amp Sink Synchronous MOSFET Driver
  • UCC27201: 120V Boot, 3-A Peak, High Frequency, High-Side/Low-Side Driver
  • UCC27200: 120V Boot, 3-A Peak, High Frequency, High-Side/Low-Side Driver
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Product Information

Features

  • Drives Two N-Channel MOSFETs with 14-ns Adaptive Dead Time
  • Gate Drive Voltage: 6.8 V Up to 8.8 V
  • Wide Power System Train Input Voltage: 3 V Up to 27 V
  • Wide Input PWM Signals: 2.0 V up to 13.2-V Amplitude
  • Capable Drive MOSFETs with ≥40-A Current per Phase
  • High Frequency Operation: 14-ns Propagation Delay and 10-ns Rise/Fall Time Allow FSW - 2 MHz
  • Capable Propagate <30-ns Input PWM Pulses
  • Low-Side Driver Sink On-Resistance (0.4 ) Prevents dV/dT Related Shoot-Through Current
  • 3-State PWM Input for Power Stage Shutdown
  • Space Saving Enable (input) and Power Good (output) Signals on Same Pin
  • Thermal Shutdown
  • UVLO Protection
  • Internal Bootstrap Diode
  • Economical SOIC-8 and Thermally Enhanced 3-mm x 3-mm DFN-8 Packages
  • High Performance Replacement for Popular 3-State Input Drivers
  • APPLICATIONS
    • Multi-Phase DC-to-DC Converters with Analog or Digital Control
    • Desktop and Server VRMs and EVRDs
    • Portable/Notebook Regulators
    • Synchronous Rectification for Isolated Power Supplies

Description

The TPS28226 is a high-speed driver for N-channel complimentary driven power MOSFETs with adaptive dead-time control. This driver is optimized for use in variety of high-current one and multi-phase dc-to-dc converters. The TPS28226 is a solution that provides highly efficient, small size low EMI emmissions.

The performance is achieved by up to 8.8-V gate drive voltage, 14-ns adaptive dead-time control, 14-ns propagation delays and high-current 2-A source and 4-A sink drive capability. The 0.4- impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in half-bridge configuration.

The TPS28226 features a 3-state PWM input compatible with all multi-phase controllers employing 3-state output feature. As long as the input stays within 3-state window for the 250-ns hold-off time, the driver switches both outputs low. This shutdown mode prevents a load from the reversed- output-voltage.

The other features include under voltage lockout, thermal shutdown and two-way enable/power good signal. Systems without 3-state featured controllers can use enable/power good input/output to hold both outputs low during shutting down.

The TPS28226 is offered in an economical SOIC-8 and thermally enhanced low-size Dual Flat No-Lead (DFN-8) packages. The driver is specified in the extended temperature range of -40°C to 125°C with the absolute maximum junction temperature 150°C.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
TPS28226DACTIVE-40 to 1250.65 | 1kuSOIC (D) | 8 View 75 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
TPS28226DG4ACTIVE-40 to 1250.65 | 1kuSOIC (D) | 8 View 75 | TUBE Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
TPS28226DRACTIVE-40 to 1250.60 | 1kuSOIC (D) | 8 View 2500 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this Footprint
TPS28226DRBRACTIVE-40 to 1250.60 | 1kuSON (DRB) | 8 View 3000 | LARGE T&R Download CAD Format for this Symbol Purchase Samples
TPS28226DRBRG4ACTIVE-40 to 1250.60 | 1kuSON (DRB) | 8 View 3000 | LARGE T&R Download CAD Format for this Symbol Purchase Samples
TPS28226DRBTACTIVE-40 to 1250.60 | 1kuSON (DRB) | 8 View 250 | SMALL T&R Download CAD Format for this Symbol 
TPS28226DRBTG4ACTIVE-40 to 1250.60 | 1kuSON (DRB) | 8 View 250 | SMALL T&R  
TPS28226DRG4ACTIVE-40 to 1250.60 | 1kuSOIC (D) | 8 View 2500 | LARGE 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 10:11 AM GMT, 08 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 4 WeeksTPS28226D
EuropeCompel 450
WorldwideDigiKey  Available
TI Lead Time*: 4 WeeksTPS28226DG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksTPS28226DR
AsiaWPI >1k
EuropeCompel 10
WorldwideDigiKey 221
TI Lead Time*: 4 WeeksTPS28226DRBR
WorldwideDigiKey  Available
TI Lead Time*: 4 WeeksTPS28226DRBRG4
WorldwideDigiKey  Available
TI Lead Time*: 4 WeeksTPS28226DRBT
AmericasAvnet 500
Newark 500
AsiaWPI 200
WorldwideDigiKey 367
Mouser Electronics 13
TI Lead Time*: 4 WeeksTPS28226DRBTG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksTPS28226DRG4
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
TPS28226D RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
TPS28226DG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
TPS28226DR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
TPS28226DRBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS28226DRBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS28226DRBT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS28226DRBTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
TPS28226DRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU 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

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Datasheet

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