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)

TPS563212

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Convertidor reductor síncrono de 4.2 V a 18 V, 3 A, 1.2 MHz con Eco-Mode y FCCM seleccionable

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TPS563212

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.2 Vin (max) (V) 18 Switching frequency (min) (kHz) 1100 Switching frequency (max) (kHz) 1300 Features Enable, Forced PWM, Light Load Efficiency, Power good, Soft Start Adjustable, UVLO adjustable Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (µA) 120 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.2 Vin (max) (V) 18 Switching frequency (min) (kHz) 1100 Switching frequency (max) (kHz) 1300 Features Enable, Forced PWM, Light Load Efficiency, Power good, Soft Start Adjustable, UVLO adjustable Control mode ACM/AECM Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (µA) 120 Duty cycle (max) (%) 98
SOT-5X3 (DRL) 8 3.36 mm² 2.1 x 1.6
  • 4.2-V to 18-V input voltage
  • 0.6-V to 7-V output voltage
    • Up to 3-A continuous output current
    • 45-ns minimum switching on time
    • 98% maximum duty cycle
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • 120-µA typical quiescent current
  • 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
    • ±1% (25°C) reference voltage accuracy
    • ±8.5% switching frequency tolerance
  • Small solution size
    • Internal compensation for ease of use
    • SOT-5X3 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 TPS563212 with the WEBENCH Power Designer
  • 4.2-V to 18-V input voltage
  • 0.6-V to 7-V output voltage
    • Up to 3-A continuous output current
    • 45-ns minimum switching on time
    • 98% maximum duty cycle
  • High efficiency
    • Integrated 66-mΩ and 33-mΩ MOSFETs
    • 120-µA typical quiescent current
  • 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
    • ±1% (25°C) reference voltage accuracy
    • ±8.5% switching frequency tolerance
  • Small solution size
    • Internal compensation for ease of use
    • SOT-5X3 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 TPS563212 with the WEBENCH Power Designer

The TPS563212 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 the Enable pin, 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. The device 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 a 1.6-mm × 2.1-mm SOT-5X3 package.

The TPS563212 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 the Enable pin, 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. The device 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 a 1.6-mm × 2.1-mm SOT-5X3 package.
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Documentación técnica

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* Data sheet TPS563212 4.2-V to 18-V Input, 3-A Synchronous Buck Converter in a SOT-5X3 Package datasheet PDF | HTML 19 oct 2021
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 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
User guide TPS563212 Step-Down Converter Evaluation Module User's Guide PDF | HTML 30 nov 2021
Certificate TPS563212EVM EU RoHS Declaration of Conformity (DoC) 19 nov 2021

Diseño y desarrollo

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Placa de evaluación

TPS563212EVM — Módulo de evaluación TPS563212 de convertidor reductor síncrono con entrada de 18 V, salida de 3 A y

TPS563212 es un convertidor reductor síncrono de 3 A simple y fácil de usar con Eco-Mode y FCCM seleccionable en encapsulado SOT-583. El módulo de evaluación (EVM) TPS563212EVM es un circuito totalmente ensamblado y probado para evaluar el convertidor reductor TPS563212. TPS563212EVM funciona con (...)

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Modelo de simulación

TPS563212 PSpice Unencrypted Transient Model

SLUM803.ZIP (324 KB) - PSpice Model
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SOT-5X3 (DRL) 8 Ver opciones
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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