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TPS54020

AKTIV

Synchron-SWIFT™-Abwärtswandler mit phasenverschobener Synchronisation, 4,5–17 V, 10 A

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Datenblatt

TPS54020

AKTIV
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Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 5 Vout (min) (V) 0.6 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.0006 Duty cycle (max) (%) 98
Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 17 Vin (min) (V) 4.5 Vout (max) (V) 5 Vout (min) (V) 0.6 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.0006 Duty cycle (max) (%) 98
VQFN-HR (RUW) 15 12.25 mm² (3.5 mm × 3.5 mm)
  • –40°C to +150°C operating junction temperature range
  • Integrated 8-mΩ and 6-mΩ MOSFETs
  • Thermally-enhanced 3.5-mm × 3.5-mm HotRod™ package
  • Peak-current-mode control
  • Eco-mode™ pulse skip for higher efficiency
  • Overcurrent protection for both MOSFETs
  • Selectable overcurrent protection schemes
  • Selectable overcurrent protection levels
  • Split power rail: 1.6 V to 17 V on PVIN
  • 0.6-V voltage reference with ±1% accuracy
  • 200-kHz to 1.2-MHz switching frequency
  • Synchronizes to external clock
  • Start-up into prebiased outputs
  • Overtemperature and overvoltage protection
  • Adjustable soft start and power sequencing
  • Power-good output monitor for undervoltage and overvoltage
  • SYNC_OUT function provides output clock signal 180° out-of-phase
  • For SWIFT™ documentation and WEBENCH, visit http://www.ti.com/swift
  • Create a custom design using the TPS54020 with the WEBENCH Power Designer
  • –40°C to +150°C operating junction temperature range
  • Integrated 8-mΩ and 6-mΩ MOSFETs
  • Thermally-enhanced 3.5-mm × 3.5-mm HotRod™ package
  • Peak-current-mode control
  • Eco-mode™ pulse skip for higher efficiency
  • Overcurrent protection for both MOSFETs
  • Selectable overcurrent protection schemes
  • Selectable overcurrent protection levels
  • Split power rail: 1.6 V to 17 V on PVIN
  • 0.6-V voltage reference with ±1% accuracy
  • 200-kHz to 1.2-MHz switching frequency
  • Synchronizes to external clock
  • Start-up into prebiased outputs
  • Overtemperature and overvoltage protection
  • Adjustable soft start and power sequencing
  • Power-good output monitor for undervoltage and overvoltage
  • SYNC_OUT function provides output clock signal 180° out-of-phase
  • For SWIFT™ documentation and WEBENCH, visit http://www.ti.com/swift
  • Create a custom design using the TPS54020 with the WEBENCH Power Designer

The TPS54020 is a 10-A, 4.5-V to 17-V input SWIFT converter. The innovative 3.5-mm × 3.5-mm HotRod package optimizes high-density step-down designs. The TPS54020 is a full-featured converter.

High efficiency is achieved through the innovative integration and packaging of the high-side and low-side MOSFETs. The TPS54020 operates at continuous current mode (CCM) at higher load conditions, and transitions to Eco-mode while skipping pulses to boost the efficiency at light loads.

Current limiting on both MOSFETs provides device and system protection. Cycle-by-cycle current limiting in the high-side MOSFET protects for overload situations. Low-side MOSFET zero current detection turns off the low-side MOSFET while operating under light loads. Three selectable current-limit thresholds allow a good fit for various applications. A hiccup or cycle-by-cycle overcurrent protection scheme is also selectable.

Thermal shutdown protection disables switching when die temperature exceeds the thermal shutdown trip point and enables switching after the built-in thermal hysteresis and shutdown hiccup time.

The TPS54020 is a 10-A, 4.5-V to 17-V input SWIFT converter. The innovative 3.5-mm × 3.5-mm HotRod package optimizes high-density step-down designs. The TPS54020 is a full-featured converter.

High efficiency is achieved through the innovative integration and packaging of the high-side and low-side MOSFETs. The TPS54020 operates at continuous current mode (CCM) at higher load conditions, and transitions to Eco-mode while skipping pulses to boost the efficiency at light loads.

Current limiting on both MOSFETs provides device and system protection. Cycle-by-cycle current limiting in the high-side MOSFET protects for overload situations. Low-side MOSFET zero current detection turns off the low-side MOSFET while operating under light loads. Three selectable current-limit thresholds allow a good fit for various applications. A hiccup or cycle-by-cycle overcurrent protection scheme is also selectable.

Thermal shutdown protection disables switching when die temperature exceeds the thermal shutdown trip point and enables switching after the built-in thermal hysteresis and shutdown hiccup time.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS54020 Small, 10-A, 4.5-V to 17-V input, SWIFT™ Synchronous Step-down Converter with Light-load Efficiency datasheet (Rev. F) PDF | HTML 24.11.2020
Anwendungshinweis Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 25.03.2024
Anwendungshinweis Calculating Efficiency (Rev. A) 06.03.2020
Anwendungshinweis Minimizing Output Ripple During Startup (Rev. A) 20.05.2019
Auswahlhilfe SWIFT DC/DC Converters Selector Guide (Rev. G) 06.02.2019
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Technischer Artikel Thinking beyond the buck controller for high-output power supplies PDF | HTML 27.05.2016
Anwendungshinweis SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22.02.2016
Anwendungshinweis HotRod QFN Application Note 09.04.2014
Analog Design Journal 2Q 2013 Issue Analog Applications Journal 16.04.2013
Analog Design Journal Designing a negative boost converter from a standard positive buck converter 16.04.2013
Anwendungshinweis Understanding Thermal Dissipation and Design of a Heatsink 04.05.2011

Design und Entwicklung

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

Evaluierungsplatine

TPS54020EVM-082 — Evaluierungsmodul für synchronen 10-A-Abwärtswandler (SWIFT™)

The Texas Instruments TPS54020EVM-082 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS54020 10A Synchronous Step-Down SWIFT™ Converter.
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Simulationsmodell

TPS54020 PSpice Transient Model

SLVM995.ZIP (118 KB) - PSpice-Modell
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TPS54020 TINA-TI Average Reference Design

SLVM904.TSC (65 KB) - TINA-TI-Referenzdesign
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TPS54020 TINA-TI Average Spice Model

SLVM903.ZIP (9 KB) - TINA-TI Spice-Modell
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Simulationsmodell

TPS54020 TINA-TI Reference Design

SLVMAR9.TSC (440 KB) - TINA-TI-Referenzdesign
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Simulationsmodell

TPS54020 TINA-TI Transient Spice Model

SLVMAR8.ZIP (65 KB) - TINA-TI Spice-Modell
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TPS54020 Unencrypted PSpice Average Model Package (Rev. A)

SLVM657A.ZIP (29 KB) - PSpice-Modell
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN-HR (RUW) 15 Ultra Librarian
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