Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS53353

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Convertidor reductor SWIFT™ síncrono de 1.5 V a 15 V y 20 A de alta eficiencia con Eco-Mode

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TPS53353

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Detalles del producto

Iout (max) (A) 20 Vin (min) (V) 1.5 Vin (max) (V) 15 Topology Buck Type Converter Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 1000 Features Adjustable current limit, Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed Control mode D-CAP Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00032
Iout (max) (A) 20 Vin (min) (V) 1.5 Vin (max) (V) 15 Topology Buck Type Converter Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 1000 Features Adjustable current limit, Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed Control mode D-CAP Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00032
LSON-CLIP (DQP) 22 30 mm² 6 x 5
  • New product available: TPS548B28 16-V, 20-A synchronous-buck converter with remote sense
  • Conversion input voltage range: 1.5 V to 15 V
  • VDD input voltage range: 4.5 V to 25 V
  • 92% efficiency from 12 V to 1.5 V at 20 A
  • Output voltage range: 0.6 V to 5.5 V
  • 5-V LDO output
  • Supports single-rail input
  • Integrated power MOSFETs with 20 A of continuous output current
  • Auto-skip Eco-mode™ for light-load efficiency
  • < 10-µA shutdown current
  • D-CAP™ mode with fast transient response
  • Selectable switching frequency from 250 kHz to 1 MHz with external resistor
  • Selectable auto-skip or PWM-only operation
  • Built-in 1% 0.6-V reference
  • 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
  • Integrated boost switch
  • Precharged start-up capability
  • Adjustable overcurrent limit with thermal compensation
  • Overvoltage, undervoltage, UVLO, and overtemperature protection
  • Supports all ceramic output capacitors
  • Open-drain power-good indication
  • Incorporates NexFET™ power block technology
  • 22-pin QFN package with PowerPAD™
  • For SWIFT™ power products documentation, see http://www.ti.com/swift
  • New product available: TPS548B28 16-V, 20-A synchronous-buck converter with remote sense
  • Conversion input voltage range: 1.5 V to 15 V
  • VDD input voltage range: 4.5 V to 25 V
  • 92% efficiency from 12 V to 1.5 V at 20 A
  • Output voltage range: 0.6 V to 5.5 V
  • 5-V LDO output
  • Supports single-rail input
  • Integrated power MOSFETs with 20 A of continuous output current
  • Auto-skip Eco-mode™ for light-load efficiency
  • < 10-µA shutdown current
  • D-CAP™ mode with fast transient response
  • Selectable switching frequency from 250 kHz to 1 MHz with external resistor
  • Selectable auto-skip or PWM-only operation
  • Built-in 1% 0.6-V reference
  • 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
  • Integrated boost switch
  • Precharged start-up capability
  • Adjustable overcurrent limit with thermal compensation
  • Overvoltage, undervoltage, UVLO, and overtemperature protection
  • Supports all ceramic output capacitors
  • Open-drain power-good indication
  • Incorporates NexFET™ power block technology
  • 22-pin QFN package with PowerPAD™
  • For SWIFT™ power products documentation, see http://www.ti.com/swift

TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems.

This device features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.

The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V.

The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C.

The TPS548B28 is a newer 20A device designed for data center applications with a smaller, Pb-free package.

TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems.

This device features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.

The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V.

The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C.

The TPS548B28 is a newer 20A device designed for data center applications with a smaller, Pb-free package.
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Documentación técnica

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* Data sheet TPS53353 High-Efficiency 20-A Synchronous Buck SWIFT™ Converter With Eco-mode™ datasheet (Rev. D) PDF | HTML 08 abr 2021
Application note Measuring the Bode Plot of D-CAP™, D-CAP2™, and D-CAP3™ DC/DC Converters (Rev. A) PDF | HTML 21 abr 2023
User guide TPS53353 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 11 nov 2021
White paper Power solution options for data center applications (Rev. A) 27 feb 2020
Selection guide SWIFT DC/DC Converters Selector Guide (Rev. G) 06 feb 2019
Application note DC/DC Point-of-load Power Solutions for Wired Networking Switch Systems 11 dic 2018
Application note Minimizing Switching Ringing at TPS53355 and TPS53353 Family Devices (Rev. A) 14 nov 2018
Application note Analysis and Design of Input Filter for DC-DC Circuit 27 nov 2017
Application note Calculating Output Capacitance to Meet Transient and Ripple Requirements 02 may 2017
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 25 ene 2017
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22 feb 2016
Application note TPS53319 DCAP Mode with Ripple Injection Modeling Design Consideration 23 oct 2014
Application note D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 03 feb 2011

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

TPS53353EVM-744 — Convertidor reductor síncrono de 20 A de alta eficiencia con módulo de evaluación de esquema de cont

The TPS53353EVM-744 is designed to help the user easily evaluate and test the operation and functionality of the TPS53353 buck converter. The EVM converts a 1.5-V to 15-V input voltage to a regulated 1.5-V output voltage that delivers up to 20 A in a 5-mm x 6-mm QFN package. This board includes (...)

Guía del usuario: PDF | HTML
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Modelo de simulación

TPS53353 Unencrypted PSpice Transient Model Package (Rev.A) (Rev. B)

SLUM387B.ZIP (38 KB) - PSpice Model
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Herramienta de cálculo

SLURAZ7 — TPS533xx Excel Calculator Tool

Productos y hardware compatibles

Productos y hardware compatibles

Productos
AC/DC & DC/DC converters (integrated FET)
TPS53318 — Convertidor reductor síncrono de 1.5 V a 22 V, 8 A, con Eco-Mode TPS53319 — Convertidor reductor síncrono de 1.5 V a 22 V, 14 A, con Eco-Mode TPS53353 — Convertidor reductor SWIFT™ síncrono de 1.5 V a 15 V y 20 A de alta eficiencia con Eco-Mode TPS53355 — Convertidor reductor SWIFT™ síncrono de 1.5 V a 15 V y 30 A de alta eficiencia con Eco-Mode
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Paquete Pasadores Descargar
LSON-CLIP (DQP) 22 Ver opciones
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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

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