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TPS51631A

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Controlador reductor de 3 fases D-CAP+™ para VR12.5 Vcpu

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TPS51631A

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Detalles del producto

Rating Catalog Topology Multiphase Iout (max) (A) 95 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 2.3 Vout (min) (V) 0.5 Control mode D-CAP+ Features SVID Duty cycle (max) (%) 50 Iq (typ) (A) 0.0005 Number of phases 3 Operating temperature range (°C) -40 to 105
Rating Catalog Topology Multiphase Iout (max) (A) 95 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 2.3 Vout (min) (V) 0.5 Control mode D-CAP+ Features SVID Duty cycle (max) (%) 50 Iq (typ) (A) 0.0005 Number of phases 3 Operating temperature range (°C) -40 to 105
VQFN (RSM) 32 16 mm² (4 mm × 4 mm)
  • Intel© Serial VID (SVID) Compliant
  • 1-, 2-, or 3-Phase Operation
  • Full VR12.5 Mobile Feature Set Including Digital Current
    Monitor and PS3 Operation
  • 8-Bit DAC with 0.50-V to 2.30-V Output Range
  • Optimized Efficiency at Light and Heavy Loads
  • 8 Independent Levels of Overshoot Reduction (OSR)
    and Undershoot Reduction (USR)
  • Driverless Configuration for Efficient High-Frequency
    Switching
  • Supports Discrete, Power Block, Power
    Stage or DrMOS MOSFET Implementations
  • Accurate, Adjustable Voltage Positioning
  • 300-kHz to 1-MHz Frequency Selections
  • Patented AutoBalance Phase Balancing
  • Selectable 8-level Current Limit
  • 4.5-V to 28-V Conversion Voltage Range
  • Small, 4 × 4, 32-Pin, QFN PowerPad Package
  • Intel© Serial VID (SVID) Compliant
  • 1-, 2-, or 3-Phase Operation
  • Full VR12.5 Mobile Feature Set Including Digital Current
    Monitor and PS3 Operation
  • 8-Bit DAC with 0.50-V to 2.30-V Output Range
  • Optimized Efficiency at Light and Heavy Loads
  • 8 Independent Levels of Overshoot Reduction (OSR)
    and Undershoot Reduction (USR)
  • Driverless Configuration for Efficient High-Frequency
    Switching
  • Supports Discrete, Power Block, Power
    Stage or DrMOS MOSFET Implementations
  • Accurate, Adjustable Voltage Positioning
  • 300-kHz to 1-MHz Frequency Selections
  • Patented AutoBalance Phase Balancing
  • Selectable 8-level Current Limit
  • 4.5-V to 28-V Conversion Voltage Range
  • Small, 4 × 4, 32-Pin, QFN PowerPad Package

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), ALERT and VR_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), ALERT and VR_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.
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* Hoja de datos 4.5V to 28V 3-Phase, DCAP+ Driverless PWM Controller for Intel VR12.5 CPUs datasheet 23/01/2013

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