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)

TPS562212

ACTIVO

Convertidor reductor síncrono de 4.2 V a 18 V, 2 A, 1.2 MHz con Eco-Mode y FCCM seleccionable

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TPS562212

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 2 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, Over Current Protection, Power good, Soft Start Adjustable, UVLO Fixed 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) 2 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, Over Current Protection, Power good, Soft Start Adjustable, UVLO Fixed 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 2-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 TPS562212 with the WEBENCH Power Designer
  • 4.2-V to 18-V input voltage
  • 0.6-V to 7-V output voltage
    • Up to 2-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 TPS562212 with the WEBENCH Power Designer

The TPS562212 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. It supports up to 2-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 SOT583 package.

The TPS562212 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. It supports up to 2-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 SOT583 package.
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Documentación técnica

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* Data sheet TPS562212 4.2-V to 18-V Input, 2-A Synchronous Buck Converter in a SOT-5X3 Package datasheet PDF | HTML 19 oct 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
User guide TPS562212 Step-Down Converter Evaluation Module User's Guide PDF | HTML 30 nov 2021
Certificate TPS562212EVM EU RoHS Declaration of Conformity (DoC) 19 nov 2021

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

TPS562212EVM — Módulo de evaluación TPS562212 de convertidor reductor síncrono de con entrada de 18 V, salida de 2 

TPS562212 es un convertidor reductor síncrono de 2 A simple y fácil de usar, con Eco-Mode y FCCM seleccionable en encapsulado SOT-583. El módulo de evaluación (EVM) TPS562212EVM es un circuito totalmente ensamblado y probado para evaluar el convertidor reductor TPS562212. El TPS562212EVM funciona (...)

Guía del usuario: PDF | HTML
No disponible en TI.com
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOT-5X3 (DRL) 8 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

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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