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UCD9112 Status: ACTIVE

Digital Dual-Phase Synchronous Buck Controller


      
         
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Datasheet

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 UCD9112
No. of Outputs1  
No. of Phases2  
Fs(Max)(kHz)1000  
PWM Resolution(ps)175  
Compensator1-pole/2-zero  
Non-Volatile MemoryYes  
Pin/Package32QFN  
Operating Temp Range(Celsius)-40 to 125,-40 to 85  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • UCD9240: Digital Point of Load System Controller
  • UCD9220: Digital PWM System Controller
  • UCD7230: Digital Power Compatible Synchronous Buck Driver
  • UCD8220: Digitally Assisted Push Pull PWM Controller
  • TPS40200: Wide Input Non-Synchronous Buck DC/DC Controller

Product Information

Features

  • Digital Dual-Phase Synchronous Buck PWM Controller With 175ps PWM Resolution
  • Digital Control With Programmable Compensation
  • Dual-Phase With Current Balancing Capability
  • VOUT from 0.4V to 4.0V
  • Programmable Switching Frequency,
    Capable of up to 1MHz
  • Programmable Soft Start and Soft Stop
  • Supports Pre-Biased Start-Up
  • Supports Voltage Tracking
  • Supports Remote Differential Voltage Sensing
  • Supports Fan Speed Adjustment and Monitor
  • Single 3.3V Bias Supply
  • Internal and External Thermal Sensor
  • Fault Logging
  • Graphical User Interface Configuration
  • PMBus Support
    • Query Voltage, Current, Faults, etc.
    • Voltage Setting and Calibration
    • Protection Threshold Adjustment
  • 32-Pin QFN Package
  • APPLICATIONS

View All Features in Datasheet

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
UCD9112RHBRACTIVE-40 to 1251.70 | 1kuQFN (RHB) | 32 View 3000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
UCD9112RHBRG4ACTIVE-40 to 1251.70 | 1kuQFN (RHB) | 32 View 3000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
UCD9112RHBTACTIVE-40 to 851.90 | 1kuQFN (RHB) | 32 View 250 | SMALL T&R Download CAD Format for this Symbol
UCD9112RHBTG4ACTIVE-40 to 851.90 | 1kuQFN (RHB) | 32 View 250 | SMALL 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

Reported Distributor Inventory as of 9:48 AM GMT, 20 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 20 WeeksUCD9112RHBR
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksUCD9112RHBRG4
WorldwideDigiKey  Available
TI Lead Time*: 20 WeeksUCD9112RHBT
AsiaWPI 169
EuropeCompel 5
WorldwideDigiKey 557
TI Lead Time*: 20 WeeksUCD9112RHBTG4
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
UCD9112RHBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
UCD9112RHBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
UCD9112RHBT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
UCD9112RHBTG4 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 UCD9112 Help

Datasheet

Application Notes

User Guides

  • UCD9112EVM  (PDF, 3497 KB) 957 views
    25 Sep 2007

Errata

Tools & Software

NamePart # Company Tool / Software Type
UCD9112 Evaluation ModuleUCD9112EVMTexas InstrumentsDevelopment Boards/EVMs
Digital Power SoftwareFUSION_DIGITAL_POWER_DESIGNER Texas Instruments Application Software 

Customers Who Evaluated This Product Also Evaluated...
Part # Name Product Family Comments
UCD9240 Digital Point of Load System Controller FUSION DIGITAL POWER(TM) CONTROL SOLUTIONS-FUSION DIGITAL POWER(TM) CONTROLLERS TI customers also evaluated this product.
UCD9220 Digital PWM System Controller FUSION DIGITAL POWER(TM) CONTROL SOLUTIONS-FUSION DIGITAL POWER(TM) CONTROLLERS TI customers also evaluated this product.
UCD7230 Digital Power Compatible Synchronous Buck Driver FUSION DIGITAL POWER(TM) CONTROL SOLUTIONS-FUSION DIGITAL POWER(TM) CONTROL DRIVERS TI customers also evaluated this product.
UCD8220 Digitally Assisted Push Pull PWM Controller FUSION DIGITAL POWER(TM) CONTROL SOLUTIONS-FUSION DIGITAL POWER(TM) PWM CONTROLLERS TI customers also evaluated this product.
TPS40200 Wide Input Non-Synchronous Buck DC/DC Controller NON-ISOLATED SWITCHING DC/DC REGULATORS-DC/DC CONTROLLERS (EXTERNAL SWITCH) TI customers also evaluated this product.

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