Inicio Gestión de la energía Controladores CA/CC y CC/CC (FET externo)
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Gestión de la energía
Controladores CA/CC y CC/CC (FET externo)

TPS51622

ACTIVO

Controlador reductor DCAP+ bifásico para CPU VR12.6

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TPS51622

ACTIVO
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Detalles del producto

Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 40 Operating temperature range (°C) -40 to 105 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2.3 Features Power good, SVID Iq (typ) (µA) 500 Duty cycle (max) (%) 50 Number of phases 2
Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 40 Operating temperature range (°C) -40 to 105 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.5 Vout (max) (V) 2.3 Features Power good, SVID Iq (typ) (µA) 500 Duty cycle (max) (%) 50 Number of phases 2
VQFN (RSM) 32 16 mm² 4 x 4
  • Intel© Serial VID (SVID) Compliant
  • 1- or 2-Phase Operation
  • Full VR12.6 Mobile Feature Set Including Digital Current
    Monitor, PS3 and PS4 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, PowerStage 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- or 2-Phase Operation
  • Full VR12.6 Mobile Feature Set Including Digital Current
    Monitor, PS3 and PS4 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, PowerStage 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 TPS51622A is a driverless, fully SVID compliant, VR12.6 step-down controller. 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 TPS51622A also supports single-phase operation in CCM or DCM for light-load efficiency. The TPS51622A integrates the full complement of VR12.6 I/O features including VR_READY (PGOOD), ALERT and VR_HOT. The SVID interface address allows programming from 0 to 7. In PS4, the quiescent power consumption of controller is typical 0.25 mW. Adjustable control of VCPU slew rate and voltage positioning round out the VR12.6 features. Paired with the new TPS51604 FET gate driver, the solution delivers exceptionally high speed and low switching loss. The TPS51622A works with selected TI Power Stage™ products for optimum efficiency as well as DrMOS products.

The TPS51622A package is a space saving, thermally enhanced 32-pin QFN that operates from –40°C to 105°C.

The TPS51622A is a driverless, fully SVID compliant, VR12.6 step-down controller. 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 TPS51622A also supports single-phase operation in CCM or DCM for light-load efficiency. The TPS51622A integrates the full complement of VR12.6 I/O features including VR_READY (PGOOD), ALERT and VR_HOT. The SVID interface address allows programming from 0 to 7. In PS4, the quiescent power consumption of controller is typical 0.25 mW. Adjustable control of VCPU slew rate and voltage positioning round out the VR12.6 features. Paired with the new TPS51604 FET gate driver, the solution delivers exceptionally high speed and low switching loss. The TPS51622A works with selected TI Power Stage™ products for optimum efficiency as well as DrMOS products.

The TPS51622A package is a space saving, thermally enhanced 32-pin QFN that operates from –40°C to 105°C.
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Documentación técnica

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* Data sheet 2-Phase, D-CAP+™ Step-Down Controller for VR12.6 Vcpu datasheet (Rev. A) 17 jul 2013
Technical article How to reduce acoustic noise of MLCCs in power applications PDF | HTML 09 ago 2016

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