TPS51631A Series
3-Phase, D-CAP+™ Step-Down Controller for VR12.5 Vcpu
Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/
Catalog
3-Phase, D-CAP+™ Step-Down Controller for VR12.5 Vcpu
| Part | Package / Case | Number of Outputs | Operating Temperature [Min] | Operating Temperature [Max] | Voltage - Output [Max] | Voltage - Output [Min] | Mounting Type | Supplier Device Package | Applications | Voltage - Input [Max] | Voltage - Input [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPS51631ARSMT | 32-VFQFN Exposed Pad | 1 | -40 °C | 85 °C | 2.3 V | 0.5 V | Surface Mount | 32-VQFN (4x4) | Controller, Intel VR12.5 | 28 V | 4.5 V |
Key Features
• Intel©Serial VID (SVID) Compliant1-, 2-, or 3-Phase OperationFull VR12.5 Mobile Feature Set Including Digital CurrentMonitor and PS3 Operation8-Bit DAC with 0.50-V to 2.30-V Output RangeOptimized Efficiency at Light and Heavy Loads8 Independent Levels of Overshoot Reduction (OSR)and Undershoot Reduction (USR)Driverless Configuration for Efficient High-FrequencySwitchingSupports Discrete, Power Block, PowerStage or DrMOS MOSFET ImplementationsAccurate, Adjustable Voltage Positioning300-kHz to 1-MHz Frequency SelectionsPatented AutoBalance Phase BalancingSelectable 8-level Current Limit4.5-V to 28-V Conversion Voltage RangeSmall, 4 × 4, 32-Pin, QFN PowerPad PackageIntel©Serial VID (SVID) Compliant1-, 2-, or 3-Phase OperationFull VR12.5 Mobile Feature Set Including Digital CurrentMonitor and PS3 Operation8-Bit DAC with 0.50-V to 2.30-V Output RangeOptimized Efficiency at Light and Heavy Loads8 Independent Levels of Overshoot Reduction (OSR)and Undershoot Reduction (USR)Driverless Configuration for Efficient High-FrequencySwitchingSupports Discrete, Power Block, PowerStage or DrMOS MOSFET ImplementationsAccurate, Adjustable Voltage Positioning300-kHz to 1-MHz Frequency SelectionsPatented AutoBalance Phase BalancingSelectable 8-level Current Limit4.5-V to 28-V Conversion Voltage RangeSmall, 4 × 4, 32-Pin, QFN PowerPad Package
Description
AI
The TPS51631A is a driverless step-down controller that is fully compliant with the SVID communications protocol, meeting the Intel VR12.5 specification. Advanced control features such as D-CAP+ architecture with overlapping pulse support undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance and high efficiency. The TPS51631A also supports single-phase operation in CCM or DCM for light-load efficiency. The TPS51631A integrates the full complement of VR12.5 I/O features including VR_READY (PGOOD),ALERTandVR_HOT. The SVID interface address allows programming from 0 to 7. Adjustable control of VCPU slew rate and voltage positioning round out the VR12.5 features. Paired with the new TPS51604 FET gate driver, the solution delivers exceptionally high speed and low switching loss. The TPS51631A works with selected TI Power Stage™ products for optimum efficiency as well as DrMOS products.
The TPS51631A is available in space saving, thermally enhanced 32-pin QFN package that operates from –40°C to 105°C.
The TPS51631A is a driverless step-down controller that is fully compliant with the SVID communications protocol, meeting the Intel VR12.5 specification. Advanced control features such as D-CAP+ architecture with overlapping pulse support undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance and high efficiency. The TPS51631A also supports single-phase operation in CCM or DCM for light-load efficiency. The TPS51631A integrates the full complement of VR12.5 I/O features including VR_READY (PGOOD),ALERTandVR_HOT. The SVID interface address allows programming from 0 to 7. Adjustable control of VCPU slew rate and voltage positioning round out the VR12.5 features. Paired with the new TPS51604 FET gate driver, the solution delivers exceptionally high speed and low switching loss. The TPS51631A works with selected TI Power Stage™ products for optimum efficiency as well as DrMOS products.
The TPS51631A is available in space saving, thermally enhanced 32-pin QFN package that operates from –40°C to 105°C.