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TPS54618

ACTIVO

Convertidor SWIFT™ reductor síncrono con entrada de 2.95 V a 6 V y 6 A

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Funcionalidad similar a la del dispositivo comparado
TPS62867 ACTIVO Convertidor reductor síncrono de entrada de 2.4 V a 5.5 V y 6 A en encapsulado QFN de 1.5 mm × 2.5 m Newer generation of 6-A devices with <30mm² total BOM size.

Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Iq (typ) (µA) 515 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2000 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 4.5 Iq (typ) (µA) 515 Duty cycle (max) (%) 98
WQFN (RTE) 16 9 mm² 3 x 3
  • Two 12-mΩ (typical) MOSFETs for high efficiency at 6-A loads
  • 300-kHz to 2-MHz switching frequency
  • 0.8-V ±1% Voltage reference over temperature (–40°C to +150°C)
  • Synchronizes to external clock
  • Adjustable slow start and sequencing
  • UV and OV power-good output
  • –40°C to 150°C Operating Junction Temperature Range
  • Thermally enhanced 3-mm × 3-mm, 16-pin WQFN package
  • Pin-Compatible to TPS54418
  • Create a custom design using the TPS54618 with the WEBENCH® Power Designer
  • Two 12-mΩ (typical) MOSFETs for high efficiency at 6-A loads
  • 300-kHz to 2-MHz switching frequency
  • 0.8-V ±1% Voltage reference over temperature (–40°C to +150°C)
  • Synchronizes to external clock
  • Adjustable slow start and sequencing
  • UV and OV power-good output
  • –40°C to 150°C Operating Junction Temperature Range
  • Thermally enhanced 3-mm × 3-mm, 16-pin WQFN package
  • Pin-Compatible to TPS54418
  • Create a custom design using the TPS54618 with the WEBENCH® Power Designer

The TPS54618 device is a full-featured 6-V, 6-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS54618 enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small, 3-mm × 3-mm, thermally-enhanced WQFN package.

The TPS54618 provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated
12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5-µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output-voltage start-up ramp is controlled by the slow-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

For more SWIFT™ documentation, see the TI website at www.ti.com/swift.

The TPS54618 device is a full-featured 6-V, 6-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS54618 enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small, 3-mm × 3-mm, thermally-enhanced WQFN package.

The TPS54618 provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (VREF) over temperature.

Efficiency is maximized through the integrated
12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5-µA by entering a shutdown mode.

Undervoltage lockout is internally set at 2.6 V, but can be increased by programming the threshold with a resistor network on the enable pin. The output-voltage start-up ramp is controlled by the slow-start pin. An open-drain power-good signal indicates the output is within 93% to 107% of its nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

For more SWIFT™ documentation, see the TI website at www.ti.com/swift.

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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS54618 2.95-V to 6-V, 6-A, Synchronous Step-Down SWIFT Converter datasheet (Rev. F) PDF | HTML 24 may 2019
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 abr 2024
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 25 mar 2024
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 26 jul 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
Application note Calculating Efficiency (Rev. A) 06 mar 2020
Application note Solve Point-of-Load Power Design Challenges: Single Board Computer Applications 24 ago 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
User guide TPS54618EVM-606, 6-A SWIFT Regulator Evaluation Module (Rev. A) 05 mar 2012
Application note Understanding Thermal Dissipation and Design of a Heatsink 04 may 2011
Application note Designing Type III Compensation for Current Mode Step-Down Converters (Rev. A) 15 sep 2010

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS54618EVM-606 — Módulo de evaluación para convertidor CC/CC SWIFT™ reductor síncrono TPS54618

The TPS54618EVM-606 is a fully assembled and tested curcuit for evaluating the TPS54618 6A, 2MHz Synchronous Step-Down SWIFT DC/DC Converter. The TPS54618EVM-606 operates from a 3V to 6V input and delivers a 1.8V output at 6A. The same board may be modified to provide different output voltages. (...)
Guía del usuario: PDF
Modelo de simulación

TPS54618 TINA-TI Average Reference Design

SLVM551.TSC (217 KB) - TINA-TI Reference Design
Modelo de simulación

TPS54618 TINA-TI Average Spice Model

SLVM550.ZIP (7 KB) - TINA-TI Spice Model
Modelo de simulación

TPS54618 TINA-TI Transient Reference Design

SLVM676.TSC (895 KB) - TINA-TI Reference Design
Modelo de simulación

TPS54618 TINA-TI Transient Spice Model

SLVM675.ZIP (64 KB) - TINA-TI Spice Model
Modelo de simulación

TPS54618 Unencrypted PSpice Average Model Package (Rev. A)

SLVM546A.ZIP (78 KB) - PSpice Model
Modelo de simulación

TPS54618 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM349B.ZIP (50 KB) - PSpice Model
Herramienta de cálculo

TPS54620DESIGN-CALC TPS54620 and TPS54XXX Current-Mode Step-Down Converter Design Calculator

The Design Calculator Plus Application Note (SLVA352A) Calculator Tool calculates the critical external component values for the TPS54620/TPS54622/TPS54521/TPS54320/TPS54618/TPS54418/TPS54318/TPS54218/TPS54319. The calculator includes power stage design, feature design and Type II and Type III (...)
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Convertidores de CA/CC y CC/CC (FET integrado)
TPS54218 Convertidor SWIFT™ reductor síncrono con entrada de 2.95 V a 6 V y 2A TPS54318 Convertidor SWIFT™ reductor síncrono con entrada de 2.95 V a 6 V y 3A TPS54319 Convertidor reductor síncrono SWIFT™ de 2 MHz, 3 A, con entrada de 2.95 V a 6 V en encapsulado QFN d TPS54320 Convertidor SWIFT™ reductor síncrono con entrada de 4.5V a 17V y 3A TPS54418 Convertidor SWIFT™ reductor síncrono con entrada de 2.95 V a 6 V y 4 A TPS54521 Convertidor reductor síncrono con entrada de 17 V y 5 A TPS54618 Convertidor SWIFT™ reductor síncrono con entrada de 2.95 V a 6 V y 6 A TPS54620 Convertidor reductor SWIFT™ síncrono de 4.5 V a 17 V y 6 A TPS54622 Convertidor reductor SWIFT™ síncrono de 4.5 V a 17 V y 6 A con límite de corriente Hiccup TPS54821 Convertidor reductor síncrono de 4.5 V a 17 V y 8 A con límite de corriente Hiccup TPS56921 Convertidor reductor síncrono de 4.5 V a 17 V y 9 A, con control VID
Desarrollo de hardware
Placa de evaluación
TPS54418EVM-375 Módulo de evaluación de convertidor SWIFT™ de 4 A, entrada de 3.3 V y salida de 1.8 V TPS54418 TPS54620EVM-374 Módulo de evaluación de convertidor SWIFT™ de 6 A y 8 V a 17 V TPS54620
Software
Herramienta de cálculo
TPS54620DESIGN-CALC Calculadora de diseño de convertidor reductor de modo actual TPS54620 y TPS54XXX
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WQFN (RTE) 16 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

Si tiene preguntas sobre la calidad, el paquete o el pedido de productos de TI, consulte el soporte de TI. ​​​​​​​​​​​​​​

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