Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)
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Gestión de la energía
Convertidores de CA/CC y CC/CC (FET integrado)

TPS563211

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Convertidor reductor síncrono de 4.2 V a 18 V, 3 A, con una precisión del 1 %, PG/SS y PFM/PWM forza

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TPS563211

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.2 Vin (max) (V) 18 Switching frequency (min) (kHz) 550 Switching frequency (max) (kHz) 650 Features Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Soft Start Adjustable Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (A) 0.00012
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.2 Vin (max) (V) 18 Switching frequency (min) (kHz) 550 Switching frequency (max) (kHz) 650 Features Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Soft Start Adjustable Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (A) 0.00012
SOT-5X3 (DRL) 8 3.36 mm² 2.1 x 1.6
  • Input voltage: 4.2 V to 18 V
  • Output voltage: 0.6 V to 7 V
    • Up to 3-A continuous output current
    • Minimum switching on time: 45 ns
    • Maximum duty cycle: 98%
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • Quiescent current 120-µA typical
  • Highly flexible and easy to use
    • Selectable Eco-mode or FCCM operation
    • Selectable power good indicator or external soft start
    • Precise enable input
  • High accuracy
    • Reference voltage accuracy: ±1% (25°C)
    • Switching frequency tolerance: ±8.5%
  • Small solution size
    • Internal compensation for ease of use
    • SOT583 package
    • Minimum external components
  • Cycle-by-cycle current limit for both high-side and low-side MOSFETs
  • Non-latched OVP, UVP, UVLO, and TSD protections
  • Create a custom design using TPS563211 with the WEBENCH® Power Designer
  • Input voltage: 4.2 V to 18 V
  • Output voltage: 0.6 V to 7 V
    • Up to 3-A continuous output current
    • Minimum switching on time: 45 ns
    • Maximum duty cycle: 98%
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • Quiescent current 120-µA typical
  • Highly flexible and easy to use
    • Selectable Eco-mode or FCCM operation
    • Selectable power good indicator or external soft start
    • Precise enable input
  • High accuracy
    • Reference voltage accuracy: ±1% (25°C)
    • Switching frequency tolerance: ±8.5%
  • Small solution size
    • Internal compensation for ease of use
    • SOT583 package
    • Minimum external components
  • Cycle-by-cycle current limit for both high-side and low-side MOSFETs
  • Non-latched OVP, UVP, UVLO, and TSD protections
  • Create a custom design using TPS563211 with the WEBENCH® Power Designer

The TPS563211 is a cost effective and highly flexible synchronous buck converter that provides selectable Eco-mode operation or FCCM (Force Continuous Conduction Mode) operation. A selectable Power-Good indicator or external soft start is also configurable through the MODE pin. Power sequencing is possible by correctly configuring Enable, Power-Good indicator, or external soft start. A wide input voltage range of 4.2 V to 18 V supports a wide variety of common input rails like 12 V and 15 V. It supports up to 3-A continuous output current at output voltages between 0.6 V and 7 V.

The device provides fast transient response with true fixed switching frequency through the use of the Advanced Emulated Current Mode (AECM) control topology. With internal smart loop bandwidth control, the device provides fast transient response over a wide output voltage range without the need for external compensation.

Cycle-by-cycle current limit on the high-side peak current protects the device in overload situations and is enhanced by a low-side valley current limit, which prevents current runaway. Hiccup mode would be triggered under overvoltage protection (OVP), undervoltage protection (UVP), UVLO protection, and thermal shutdown.

The device is available in 1.6-mm × 2.1-mm SOT583 package.

The TPS563211 is a cost effective and highly flexible synchronous buck converter that provides selectable Eco-mode operation or FCCM (Force Continuous Conduction Mode) operation. A selectable Power-Good indicator or external soft start is also configurable through the MODE pin. Power sequencing is possible by correctly configuring Enable, Power-Good indicator, or external soft start. A wide input voltage range of 4.2 V to 18 V supports a wide variety of common input rails like 12 V and 15 V. It supports up to 3-A continuous output current at output voltages between 0.6 V and 7 V.

The device provides fast transient response with true fixed switching frequency through the use of the Advanced Emulated Current Mode (AECM) control topology. With internal smart loop bandwidth control, the device provides fast transient response over a wide output voltage range without the need for external compensation.

Cycle-by-cycle current limit on the high-side peak current protects the device in overload situations and is enhanced by a low-side valley current limit, which prevents current runaway. Hiccup mode would be triggered under overvoltage protection (OVP), undervoltage protection (UVP), UVLO protection, and thermal shutdown.

The device is available in 1.6-mm × 2.1-mm SOT583 package.
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Documentación técnica

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* Data sheet TPS563211 4.2-V to 18-V Input, 3-A Synchronous Buck Converter in SOT583 Package datasheet (Rev. A) PDF | HTML 20 ago 2021
Application note Transient Response Comparison of AECM with D-CAP2 and PCM Control PDF | HTML 21 dic 2022
White paper Achieving Fast Load-Transient Response and Low EMI with the AECM DC/DC Control (Rev. A) PDF | HTML 24 oct 2022
Application brief Benefit from Highly Flexible and Easy to Use DC/DC Solution PDF | HTML 24 ene 2022
Application brief Multi-Function Pins for Easy Designing PDF | HTML 07 jul 2021
Application note Large Duty Cycle Operation on the TPS563211 PDF | HTML 16 may 2021
EVM User's guide TPS563211 Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 27 abr 2021
Certificate TPS563211EVM EU Declaration of Conformity (DoC) 29 jul 2020

Diseño y desarrollo

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Placa de evaluación

TPS563211EVM — Módulo de evaluación SOT583 de convertidor reductor síncrono de 600 kHz, entrada de 18 V, salida de

TPS563211 is a simple, easy-to-use, 3-A synchronous step-down converter with Eco-mode and FCCM selectable in SOT583 package. TPS563211EVM is a fully assembled and tested circuit for evaluating the TPS563211 step-down converter. TPS563211EVM operates from 4.2-V to 18-V input (12-V nominal) and (...)
Guía del usuario: PDF | HTML
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Modelo de simulación

TPS563211 PSpice Unencrypted Transient Model

SLUM791.ZIP (325 KB) - PSpice Model
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SOT-5X3 (DRL) 8 Ver opciones
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