Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
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Energiemanagement
AC/DC- und DC/DC-Wandler (integrierter FET)

TPS568215

AKTIV

Synchron-SWIFT™-Abwärtswandler von 4,5 V bis 17 V, 8 A mit D-CAP3-Steuerung

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TPS568231 AKTIV Synchron-Abwärtswandle mit D-CAP3-Steuerung, 3,8 V bis 17 V, 8 A Pin-to-pin solution with higher efficiency

TPS568215

AKTIV
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Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1200 Features Adjustable current limit, Enable, Forced PWM, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 600 Duty cycle (max) (%) 90
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1200 Features Adjustable current limit, Enable, Forced PWM, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 600 Duty cycle (max) (%) 90
VQFN-HR (RNN) 18 12.25 mm² 3.5 x 3.5
  • Integrated 19-mΩ and 9.4-mΩ MOSFETs
  • Selectable F SW of 400 kHz, 800 kHz, and 1.2 MHz
  • Adjustable current limit settings with hiccup re-start
  • 0.6-V ±1% reference voltage across full temperature range
  • Optional external 5-V bias support for enhanced efficiency
  • D-CAP3™ control mode for fast transient response
  • Selectable forced continuous conduction mode (FCCM) for tight output voltage ripple or auto- skipping Eco-mode™ for high light-load efficiency
  • 0.6-V to 5.5-V output voltage range
  • Supports all ceramic capacitors
  • Monotonic start-up into pre-biased outputs
  • Adjustable soft start with a default 1-ms soft-start time
  • –40°C to 150°C operating junction temperature
  • Small 3.5-mm × 3.5-mm HotRod™ QFN package
  • Pin-to-pin compatible with 8-A TPS568231 and 12-A TPS56C231 and TPS56C215
  • Supported at the WEBENCH design center
  • Integrated 19-mΩ and 9.4-mΩ MOSFETs
  • Selectable F SW of 400 kHz, 800 kHz, and 1.2 MHz
  • Adjustable current limit settings with hiccup re-start
  • 0.6-V ±1% reference voltage across full temperature range
  • Optional external 5-V bias support for enhanced efficiency
  • D-CAP3™ control mode for fast transient response
  • Selectable forced continuous conduction mode (FCCM) for tight output voltage ripple or auto- skipping Eco-mode™ for high light-load efficiency
  • 0.6-V to 5.5-V output voltage range
  • Supports all ceramic capacitors
  • Monotonic start-up into pre-biased outputs
  • Adjustable soft start with a default 1-ms soft-start time
  • –40°C to 150°C operating junction temperature
  • Small 3.5-mm × 3.5-mm HotRod™ QFN package
  • Pin-to-pin compatible with 8-A TPS568231 and 12-A TPS56C231 and TPS56C215
  • Supported at the WEBENCH design center

The TPS568215 is TI’s smallest, monolithic, 8-A, synchronous buck converter with an adaptive on-time D-CAP3™ control mode. The device integrates low R DS(on) power MOSFETs that enable high efficiency and offers ease-of-use with minimum external component count for space-conscious power systems. Key features include a very accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, adjustable current limit, and no requirement for external compensation. A forced continuous conduction mode helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS568215 is available in a thermally enhanced 18-pin HotRod QFN package and is designed to operate from –40°C to 150°C junction temperature. TPS568215 is pin-to-pin compatible with TPS56C215 which gives the user flexibility to pick solutions from 6 A to 12 A in the same footprint.

The TPS568215 is TI’s smallest, monolithic, 8-A, synchronous buck converter with an adaptive on-time D-CAP3™ control mode. The device integrates low R DS(on) power MOSFETs that enable high efficiency and offers ease-of-use with minimum external component count for space-conscious power systems. Key features include a very accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, adjustable current limit, and no requirement for external compensation. A forced continuous conduction mode helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS568215 is available in a thermally enhanced 18-pin HotRod QFN package and is designed to operate from –40°C to 150°C junction temperature. TPS568215 is pin-to-pin compatible with TPS56C215 which gives the user flexibility to pick solutions from 6 A to 12 A in the same footprint.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS568215 4.5-V to 17-V Input , 8-A Synchronous Step-Down SWIFT Converter datasheet (Rev. C) PDF | HTML 11 Aug 2023
Application note 8-A DC/DC Buck Converter Selection Guide of Mid-range VIN (1.5 V - 28 V) PDF | HTML 06 Okt 2023
Application note Measuring the Bode Plot of D-CAP™, D-CAP2™, and D-CAP3™ DC/DC Converters (Rev. A) PDF | HTML 21 Apr 2023
EVM User's guide TPS568215 SWIFT™ Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 24 Jun 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Technical article Options for reducing the MLCC count for DC/DC switching regulators PDF | HTML 17 Sep 2019
Application note Expand Minimum Input Voltage with External VCC Bias in Buck Converter PDF | HTML 09 Jan 2019
Application note DC/DC Point-of-load Power Solutions for Wired Networking Switch Systems 11 Dez 2018
Application note Solve Point-of-Load Power Design Challenges: Single Board Computer Applications 24 Aug 2018
Technical article How PMICs can help streamline FPGA power design challenges PDF | HTML 23 Jun 2018
Application note Reduced Size, Double Sided Layout for High-Current DC/DC Converters 05 Apr 2018
Application note Understanding Eco-mode(TM) Operation 05 Dez 2016

Design und Entwicklung

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

Evaluierungsplatine

TPS568215EVM-762 — TPS568215 Synchron-Abwärts-SWIFT™-Wandler – Evaluierungsmodul

TPS568215EVM-762 is an 8 A synchronous converter evaluation module (EVM).  The EVM generates a 1.2 V output voltage from a nominal 12 V input.  The input voltage range is 4.5 V to 17 V with a typical start up voltage of 4.2 V.  The circuit is set upfor default operation frequency of (...)
Benutzerhandbuch: PDF | HTML
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Simulationsmodell

TPS568215 PSpice Transient Model

SLVMBT9.ZIP (123 KB) - PSpice Model
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Referenzdesigns

TIDA-01480 — Integriertes Stromversorgungsdesign für Xilinx Zynq® UltraScale+™ ZU2CG–ZU5EV MPSoCs

The TIDA-01480 reference design is a scalable power supply designed to provide power to the Xilinx Zynq UltraScale+ (ZU+) family of MPSoC devices. The design receives power from a standard DC power supply and provides power to all rails of the Xilinx chipset and DDR memory through a well-defined (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

TIDA-050000 — Referenzdesign für integrierte Stromversorgung für Xilinx Artix®-7, Spartan®-7 und Zynq®-7000 FPGAs

This reference design is a scalable power supply designed to provide power to the Xilinx Artix-7, Spartan-7, and Zynq-7000 families of FPGA-based devices. The design receives power from a standard DC power supply and provides power to all rails of the Xilinx chipset and DDR memory through a (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN-HR (RNN) 18 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

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