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

TPS54620

AKTIV

4,5 V bis 17 V, 6 A-Synchron-SWIFT™-Abwärtswandler

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TPS543620 AKTIV Synchroner SWIFT™-Abwärtswandler, 4 bis 18 V Eingangsspannung, 6 A, mit erweitertem Strommodus Higher efficiency converter in a smaller package.

TPS54620

AKTIV
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Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1600 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 15 Iq (typ) (µA) 600 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1600 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 15 Iq (typ) (µA) 600 Duty cycle (max) (%) 98
VQFN (RGY) 14 12.25 mm² 3.5 x 3.5 VQFN (RHL) 14 12.25 mm² 3.5 x 3.5
  • Integrated 26 mΩ and 19 mΩ MOSFETs
  • Split Power Rail: 1.6 V to 17 V on PVIN
  • 200-kHz to 1.6-MHz Switching Frequency
  • Synchronizes to External Clock
  • 0.8 V ±1% Voltage Reference Overtemperature
  • Low 2-µA Shutdown Quiescent Current
  • Monotonic Start-Up into Prebiased Outputs
  • –40°C to 150°C Operating Junction Temperature Range
  • Adjustable Slow Start and Power Sequencing
  • Power Good Output Monitor for Undervoltage and Overvoltage
  • Adjustable Input Undervoltage Lockout
  • For SWIFT™ Documentation, Visit http://www.ti.com/swift
  • Create a Custom Design Using the TPS54620 With the WEBENCH Power Designer
  • Integrated 26 mΩ and 19 mΩ MOSFETs
  • Split Power Rail: 1.6 V to 17 V on PVIN
  • 200-kHz to 1.6-MHz Switching Frequency
  • Synchronizes to External Clock
  • 0.8 V ±1% Voltage Reference Overtemperature
  • Low 2-µA Shutdown Quiescent Current
  • Monotonic Start-Up into Prebiased Outputs
  • –40°C to 150°C Operating Junction Temperature Range
  • Adjustable Slow Start and Power Sequencing
  • Power Good Output Monitor for Undervoltage and Overvoltage
  • Adjustable Input Undervoltage Lockout
  • For SWIFT™ Documentation, Visit http://www.ti.com/swift
  • Create a Custom Design Using the TPS54620 With the WEBENCH Power Designer

The TPS54620 in thermally enhanced 3.50 mm × 3.50 mm QFN package is a full featured 17-V, 6-A, synchronous, step-down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the footprint of the inductor.

The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a stand-alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open-drain power good pins.

Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit that turns off the low-side MOSFET to prevent excessive reverse current. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature.

The TPS54620 in thermally enhanced 3.50 mm × 3.50 mm QFN package is a full featured 17-V, 6-A, synchronous, step-down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the footprint of the inductor.

The output voltage start-up ramp is controlled by the SS/TR pin which allows operation as either a stand-alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open-drain power good pins.

Cycle-by-cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit that turns off the low-side MOSFET to prevent excessive reverse current. Thermal shutdown disables the part when die temperature exceeds thermal shutdown temperature.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS54620 4.5-V to 17-V Input, 6-A, Synchronous, Step-Down SWIFT™ Converter datasheet (Rev. F) PDF | HTML 23 Mai 2017
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note Peak Current Mode Converter Secondary Stage Filter Design for Low Ripple Power – Part I: Filter Design for Out PDF | HTML 27 Feb 2024
Application note Peak Current Mode Converter Secondary Stage Filter Design for Low Ripple Power – Part II: Hybrid Sense Network PDF | HTML 27 Feb 2024
Analog Design Journal Control-Mode Quick Reference Guide (Rev. B) PDF | HTML 29 Aug 2023
Application note 6-A DC/DC Buck Converter Selection Guide of Mid-range VIN PDF | HTML 18 Apr 2023
EVM User's guide TPS54620 Step-Down Converter Evaluation Module User's Guide (Rev. B) PDF | HTML 24 Aug 2021
Technical article Which pinout is best? How individual, multifunctional and trimmed pinouts help add PDF | HTML 28 Jun 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Application note Calculating Efficiency (Rev. A) 06 Mär 2020
Application note Minimizing Output Ripple During Startup (Rev. A) 20 Mai 2019
Application note Create an Inverting Power Supply Using a Synchronous Step-Down Regulator (Rev. B) 25 Jun 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Minimizing Output Ripple During Startup 22 Jun 2017
Technical article Voltage regulator features – inside the black box PDF | HTML 31 Mai 2016
Application note Not All Jitter Is Created Equal (Rev. A) 04 Jul 2015
Technical article Power Tips: Calculating capacitance for load transients PDF | HTML 14 Mai 2015
Application note Demystifying Type II and Type III Compensators Using Op-Amp and OTA for DC/DC Co 11 Jul 2014
Application note Understanding Thermal Dissipation and Design of a Heatsink 04 Mai 2011
Application note Designing Type III Compensation for Current Mode Step-Down Converters (Rev. A) 15 Sep 2010
Application note Ultra Small 5A, Adjustable Output Reference design using TPS54620 21 Mai 2010
Application note TPS54620 Parallel Operation 03 Mär 2010
Application note Measuring the Junction Temperature of the TPS54620 14 Jan 2010

Design und Entwicklung

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

Evaluierungsplatine

TPS54620EVM-374 — TPS54620 8 V–17 V, 6 A, SWIFT™-Wandler-Evaluierungsmodul

The TPS54620EVM-374 is designed to help the user easily evaluate and test the operation and functionality of the TPS54620 buck converter. The EVM converts a 4.5-V to 17-V input voltage to a regulated 3.3-V output voltage that delivers up to 6 A in a 3.5 x 3.5-mm QFN package. To improve performance (...)

Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
Entwicklungskit

EVMK2GX — 66AK2Gx 1-GHz-Evaluierungsmodul

The EVMK2GX (also known as "K2G") 1GHz evaluation module (EVM) enables developers to immediately start evaluating the 66AK2Gx processor family, and to accelerate the development of audio, industrial motor control, smart grid protection and other high reliability, real-time compute intensive (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Entwicklungskit

EVMK2GXS — 66AK2Gx (K2G) 1 GHz, hochsicherers Evaluierungsmodul

The K2G 1GHz High Secure Evaluation Module (EVM) enables developers to start  evaluating and testing the programming of the  high secure developmental version of the  66AK2Gx processor, and to accelerate the next stage of secure boot product development of audio and industrial real (...)

Benutzerhandbuch: PDF
Anfordern
Simulationsmodell

TPS54620 TINA-TI Average Reference Design

SLVM350.TSC (76 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS54620 TINA-TI Average Spice Model

SLVM351.ZIP (6 KB) - TINA-TI Spice Model
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Simulationsmodell

TPS54620 TINA-TI Transient Reference Design

SLIM102.TSC (286 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS54620 TINA-TI Transient Spice Model

SLIM103.ZIP (67 KB) - TINA-TI Spice Model
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Simulationsmodell

TPS54620 Unencrypted PSpice Average Package (Rev. A)

SLIM303A.ZIP (93 KB) - PSpice Model
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Simulationsmodell

TPS54620 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM101B.ZIP (118 KB) - PSpice Model
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Berechnungstool

SLVC439 — Synchronous Inverting Buck Boost Design Calculator

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Referenzdesigns

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The PMP9357 reference design is a complete power solution for Altera's Arria V series FPGAs.  This design uses several TPS54620 synchronous step down converters, LDOs, and a DDR termination regulator to provide all the necessary rails to power the FPGA.  To provide correct power (...)
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN (RGY) 14 Ultra Librarian
VQFN (RHL) 14 Ultra Librarian
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Bestellen & Qualität

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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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