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TPS53647

AKTIV

4-phasiger D-CAP+TM-Buck-Abwärtsregler mit NVM und PMBus-Schnittstelle für ASIC

Produktdetails

Rating Catalog Topology Multiphase Iout (max) (A) 240 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 2.5 Vout (min) (V) 0.5 Control mode D-CAP+ Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, Output discharge, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, Synchronous Rectification, UVLO adjustable, Voltage Margining Duty cycle (max) (%) 50 Iq (typ) (A) 0.008 Number of phases 4 Operating temperature range (°C) -40 to 125
Rating Catalog Topology Multiphase Iout (max) (A) 240 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 2.5 Vout (min) (V) 0.5 Control mode D-CAP+ Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, Output discharge, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, Synchronous Rectification, UVLO adjustable, Voltage Margining Duty cycle (max) (%) 50 Iq (typ) (A) 0.008 Number of phases 4 Operating temperature range (°C) -40 to 125
WQFN (RTA) 40 36 mm² (6 mm × 6 mm)
  • 8-bit Selectable BOOT Voltage via Pinstrap or NVM: 0.5 V to 2.5 V (down to 5-mV Step)
  • 1-, 2-, 3-, or 4- Phase Operation
  • PMBus System Interface for Telemetry of Voltage, Current, Power, Temperature, and Fault Conditions
  • 1.8-V and 3.3-V PMBus Bias Compatible
  • Fault Reporting: Output Voltage, Output Current, and Temperature
  • Configurable with Non-Volatile Memory (NVM) or Resistor Pinstrap
  • 16 Levels of Programmable OCP with Pinstrap or NVM
  • Fast Transient with DCAP+Control
  • Optimized Efficiency at Light and Heavy Loads
  • Support Pre-Bias Startup
  • Phase Current Imbalance Detection and Reporting
  • 8 Independent Levels of Overshoot Reduction (OSR) and Undershoot Reduction (USR)
  • Driverless Configuration for Efficient High-Frequency Switching
  • Fully Compatible with CSD95372BQ5MC NexFET Power Stage
  • Accurate, Adjustable Voltage Positioning
  • 300-kHz to 1-MHz Frequency Selections with Closed-loop Frequency Control
  • Patented AutoBalance Phase Balancing
  • Uses TI’s Fusion Digital Power Designer GUI
  • Dynamic Phase Shedding with Programmable Current Threshold
  • Conversion Voltage Range: 4.5 V to 17 V
  • Small, 6 mm × 6 mm, 40-Pin, QFN, PowerPAD Package
  • 8-bit Selectable BOOT Voltage via Pinstrap or NVM: 0.5 V to 2.5 V (down to 5-mV Step)
  • 1-, 2-, 3-, or 4- Phase Operation
  • PMBus System Interface for Telemetry of Voltage, Current, Power, Temperature, and Fault Conditions
  • 1.8-V and 3.3-V PMBus Bias Compatible
  • Fault Reporting: Output Voltage, Output Current, and Temperature
  • Configurable with Non-Volatile Memory (NVM) or Resistor Pinstrap
  • 16 Levels of Programmable OCP with Pinstrap or NVM
  • Fast Transient with DCAP+Control
  • Optimized Efficiency at Light and Heavy Loads
  • Support Pre-Bias Startup
  • Phase Current Imbalance Detection and Reporting
  • 8 Independent Levels of Overshoot Reduction (OSR) and Undershoot Reduction (USR)
  • Driverless Configuration for Efficient High-Frequency Switching
  • Fully Compatible with CSD95372BQ5MC NexFET Power Stage
  • Accurate, Adjustable Voltage Positioning
  • 300-kHz to 1-MHz Frequency Selections with Closed-loop Frequency Control
  • Patented AutoBalance Phase Balancing
  • Uses TI’s Fusion Digital Power Designer GUI
  • Dynamic Phase Shedding with Programmable Current Threshold
  • Conversion Voltage Range: 4.5 V to 17 V
  • Small, 6 mm × 6 mm, 40-Pin, QFN, PowerPAD Package

The TPS53647 is a high-current, multi-phase, step-down controller. The device offers built-in non volatile memory (NVM) and PMBus interface. It is compatible with the NexFET power stages (CSD95372BQ5MC). The TPS53647 provides 8-bit BOOT voltage selection covering output voltage from 0.5 V to 2.5 V, with steps as small as 5 mV, which is ideal for high current application with accurate output voltage setting. Advanced control features such as D-CAP+ architecture with undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance, and high efficiency. The TPS53647 also provides novel phase interleaving strategy and dynamic phase shedding for efficiency improvement at light loads. In addition, the TPS53647 supports the PMBus communication interface with systems for telemetry of voltage, current, power, temperature, and fault conditions. Some of the configurations can be programmed by pinstrap or PMBus and stored in non-volatile memory to minimize the external component count.

The TPS53647 is offered in a space saving, thermally enhanced 40-pin QFN package and is rated to operate from –40°C to 125°C.

For all available packages, see the orderable addendum at the

The TPS53647 is a high-current, multi-phase, step-down controller. The device offers built-in non volatile memory (NVM) and PMBus interface. It is compatible with the NexFET power stages (CSD95372BQ5MC). The TPS53647 provides 8-bit BOOT voltage selection covering output voltage from 0.5 V to 2.5 V, with steps as small as 5 mV, which is ideal for high current application with accurate output voltage setting. Advanced control features such as D-CAP+ architecture with undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance, and high efficiency. The TPS53647 also provides novel phase interleaving strategy and dynamic phase shedding for efficiency improvement at light loads. In addition, the TPS53647 supports the PMBus communication interface with systems for telemetry of voltage, current, power, temperature, and fault conditions. Some of the configurations can be programmed by pinstrap or PMBus and stored in non-volatile memory to minimize the external component count.

The TPS53647 is offered in a space saving, thermally enhanced 40-pin QFN package and is rated to operate from –40°C to 125°C.

For all available packages, see the orderable addendum at the

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS53647 4-Phase, D-CAP+, Step-Down, Buck Controller with NVM and PMBus™ Interface for ASIC Power and High-Current Point-of-Load datasheet (Rev. B) PDF | HTML 10.02.2017
Anwendungshinweis Multiphase Buck Design from Start to Finish, Part 1 (Rev. B) 07.04.2021
Anwendungshinweis Optimizing High Side FET Voltage Ringing of Multiphase Voltage Regulators Part 2 19.07.2019
Anwendungshinweis Optimizing High Side FET Voltage Ringing of Multiphase Voltage Regulators Part 1 11.07.2019
Technischer Artikel Minimize the impact of the MLCC shortage using D-CAP+™ control mode PDF | HTML 05.04.2019
Anwendungshinweis D-CAP+™ Control for Multiphase Step-Down Voltage Regulators for Powering Microp 13.01.2019
Auswahlhilfe DC/DC Buck Controller Solutions Selection Guide 06.02.2018
Technischer Artikel How to select the right power solution for your FPGA or PMIC PDF | HTML 10.01.2018
Technischer Artikel The D-CAP+™ Modulator: Evaluating the small-signal robustness PDF | HTML 15.11.2017
Technischer Artikel Simplifying loop compensation and poles and zeros calculations PDF | HTML 18.03.2016
Technischer Artikel Don’t say goodbye to your power supply PDF | HTML 07.03.2016
Anwendungshinweis SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22.02.2016
Technischer Artikel How to balance current using multiphase converters PDF | HTML 18.09.2015
Technischer Artikel Select the correct PMBus POL solution for your application PDF | HTML 03.08.2015

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS53647EVM-710 — TPS53647 4-Phasen, D-CAP+TM-Abwärtsregler-EVM mit PMBus-Schnittstelle für ASIC Power oder High

The TPS53647EVM-710 evaluation module allows users to evaluate the TPS53647 controller. The TPS53647 is a 4-phase, D-CAP+™ step-down buck controller with PMBus interface for powering high current ASICs and FPGAs. The default configuration of this EVM is 4-phase to demonstrate a typical 1-V, (...)

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Anwendungssoftware und Frameworks

FUSION_DIGITAL_POWER_DESIGNER — Digitale Stromversorgungsoftware

Die Software Fusion Digital Power™ ist eine grafische Benutzerschnittstelle (GUI) und wird dazu verwendet, digitale Stromversorgungscontroller und Sequenzer-/Gesundheitsmonitore von Texas Instruments zu konfigurieren und zu überwachen. Die Anwendung verwendet das PMBus-Protokoll zur Kommunikation (...)

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Anwendungssoftware und Frameworks

FUSION_MFR_GUI — Fusion Digital Power-Herstellungs-Tool:

The Fusion Digital Power Manufacturing Tool (aka MFR GUI) is a Graphical User Interface used to download firmware, upgrade firmware, configure, calibrate and test .

The MFR GUI supports the same devices as Fusion Digital Power Designer software.  This tool is typically used in manufacturing (...)

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Simulationsmodell

TPS53647 IBIS Model

SLUM584.ZIP (56 KB) - IBIS-Modell
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Simulationsmodell

TPS53647 PSpice Transient Model (Rev. B)

SLUM465B.ZIP (348 KB) - PSpice-Modell
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Referenzdesign

PMP10962 — Hocheffiziente, skalierbare 3-phasige 1V/90A-PMBus-Stromversorgung für ASIC-Kernschienen

The PMP10962 reference design is a 3-phase PMBus converter for high current ASIC core rail regulation. It employs  DCAP+ control for fast transient response and TI's proprietary AutoBalance for tight steady and dynamic phase-to-phase current balance. It drives three TI NexFET smart power (...)

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PMP11184 — Hocheffizientes, leistungsdichtes 1 V/120 A/30 A/30 A (4+1+1) mit PMBus – Referenzdesign für ASIC-Pr

PMP11184 is a chipset solution for high current ASIC core rail regulation. It utilizes TPS53647 4-phase controller for 120A high current rail, which employs  DCAP+ control for fast transient response and TI's proprietary AutoBalance for tight steady and dynamic phase-to-phase current balance. (...)

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Referenzdesign

PMP11312 — Hocheffizientes, leistungsdichtes 4-Phasen-PMBus-Schnittstellen-Referenzdesign (1 V/120 A) für ASIC-

The PMP11312 reference design is a 4-phase PMBus converter for high current ASIC core rail regulation. It utilizes TPS53647 4-phase controller for 120A high current rail, which employs  DCAP+ control for fast transient response and TI's proprietary AutoBalance for tight steady and dynamic (...)

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PMP11399 — Referenzdesign eines PMBus-Stromversorgungssystems für Enterprise-Ethernet-Switches

PMP11399 ist ein komplettes PMBus-Leistungssystem für 3 ASIC/FPGA-Kerne, DDR3-Kernspeicher, VTT-Terminierung und Hilfsspannungen, das häufig in Hochleistungs-Ethernet-Switches zum Einsatz kommt. Mit der Hardware wird eine GUI geliefert, mit der Benutzer die Echtzeitkonfiguration und Überwachung der (...)

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PMP20176 — 4 Phasen, 140 A, Referenzdesign für Intel Stratix 10 GX FPGAs

Dieses Referenzdesign konzentriert sich auf die Bereitstellung einer kompakten, hochleistungsfähigen Mehrphasen-Lösung, die sich für die Stromversorgung von Intel® Stratix® 10 GX Field Programmable Gate Arrays (FPGAs) mit besonderem Fokus auf der SG2800-I1V-Variante eignet. Das integrierte (...)
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
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