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Product InformationFeatures
PowerPAD and Predictive Gate Drive are trademarks of Texas Instruments Incorporated. Description
The TPS4000x are controllers for low-voltage, non-isolated synchronous buck regulators. These controllers drive an N-channel MOSFET for the primary buck switch, and an N-channel MOSFET for the synchronous rectifier switch, thereby achieving very high-efficiency power conversion. In addition, the device controls the delays from main switch off to rectifier turn-on and from rectifier turn-off to main switch turn-on in such a way as to minimize diode losses (both conduction and recovery) in the synchronous rectifier with TIs proprietary Predictive Gate Drive technology. The reduction in these losses is significant and increases efficiency. For a given converter power level, smaller FETs can be used, or heat sinking can be reduced or even eliminated. The current-limit threshold is adjustable with a single resistor connected to the device. The TPS4000x controllers implement a closed-loop soft start function. Startup ramp time is set by a single external capacitor connected to the SS/SD pin. The SS/SD pin is also used for shutdown. |
| Price | Packaging | CAD Design Tools | Samples | |||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Samples |
| TPS40009DGQ | ACTIVE | -40 to 85 | 1.35 | 1ku | MSOP-PowerPAD (DGQ) | 10 | View | 80 | TUBE | ||
| TPS40009DGQG4 | ACTIVE | -40 to 85 | 1.35 | 1ku | MSOP-PowerPAD (DGQ) | 10 | View | 80 | TUBE | ||
| TPS40009DGQR | ACTIVE | -40 to 85 | 1.20 | 1ku | MSOP-PowerPAD (DGQ) | 10 | View | 2500 | LARGE T&R | Purchase Samples | |
| TPS40009DGQRG4 | ACTIVE | -40 to 85 | 1.20 | 1ku | MSOP-PowerPAD (DGQ) | 10 | View | 2500 | LARGE T&R | Purchase 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.
| Reported Distributor Inventory as of 10:09 AM GMT, 08 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 20 WeeksTPS40009DGQ | |||
| Americas | Arrow | >1k | |
| Newark | 55 | ||
| Asia | Farnell Asia | >1k | |
| WPI | 25 | ||
| Europe | Avnet-SILICA | 100 | |
| Farnell | 751 | ||
| TI Lead Time*: 20 WeeksTPS40009DGQG4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksTPS40009DGQR | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksTPS40009DGQRG4 | |||
| None Reported View 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.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
| TPS40009DGQ | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS40009DGQG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS40009DGQR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS40009DGQRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
* 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.
Most useful technical documents for TPS40009 
View User Guides for DC/DC Controllers (External Switch)
| Name | Part # | Company | Tool / Software Type |
| TPS40007EVM-001 Evaluation Module | TPS40007EVM-001 | Texas Instruments | Development Boards/EVMs |
| TPS40009EVM-001 Evaluation Module | TPS40009EVM-001 | Texas Instruments | Development Boards/EVMs |
| SwitcherPro(TM) Online and Desktop Design Creator and Management Software | SWITCHERPRO | Texas Instruments | Application Software |
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