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UCC24610

ACTIVO

Controlador rectificador síncrono del lado secundario

Detalles del producto

Topology Active-clamp flyback, Active-clamp forward, Buck-Boost, CCM, DCM, Flyback, Forward, Half bridge, LLC, LLC half-bridge, Quasi resonant Control mode VDS sensing Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, SYNC Pin for CCM, SYNC pin for CCM, Synchronous Rectifier, VDS Sensing
Topology Active-clamp flyback, Active-clamp forward, Buck-Boost, CCM, DCM, Flyback, Forward, Half bridge, LLC, LLC half-bridge, Quasi resonant Control mode VDS sensing Features 600kHz operation, Automatic Light Load Management, Compatible with CCM, SYNC Pin for CCM, SYNC pin for CCM, Synchronous Rectifier, VDS Sensing
SOIC (D) 8 29.4 mm² 4.9 x 6 VSON (DRB) 8 9 mm² 3 x 3
  • Secondary-Side Controller Optimized for 5-V Systems
  • Up to 600-kHz Operating Frequency
  • VDS MOSFET-Sensing
  • 1.6-Ω Sink, 2.0-Ω Source Gate-Drive Impedances
  • Micro-Power Sleep Current for 90+ Designs
  • Automatic Light-Load Management
  • Synchronous Wake-Up From Sleep and Light-Load Modes
  • Protection Features on Programming Inputs
  • SYNC Input for CCM Operation
  • 20-ns Typical Turnoff Propagation Delay
  • Improved Efficiency and Design Flexibility Over Traditional Diode Solution
  • May Be Biased Directly From 5-V Output
  • Minimal Component Count
  • APPLICATIONS
    • AC-to-DC 5-V Adapters
    • 5-V Bias Supplies
    • Low Voltage Rectification Circuits
    • Flyback and LLC Converters
  • Secondary-Side Controller Optimized for 5-V Systems
  • Up to 600-kHz Operating Frequency
  • VDS MOSFET-Sensing
  • 1.6-Ω Sink, 2.0-Ω Source Gate-Drive Impedances
  • Micro-Power Sleep Current for 90+ Designs
  • Automatic Light-Load Management
  • Synchronous Wake-Up From Sleep and Light-Load Modes
  • Protection Features on Programming Inputs
  • SYNC Input for CCM Operation
  • 20-ns Typical Turnoff Propagation Delay
  • Improved Efficiency and Design Flexibility Over Traditional Diode Solution
  • May Be Biased Directly From 5-V Output
  • Minimal Component Count
  • APPLICATIONS
    • AC-to-DC 5-V Adapters
    • 5-V Bias Supplies
    • Low Voltage Rectification Circuits
    • Flyback and LLC Converters
  • This GREEN Rectifier controller is a high-performance controller and driver for standard and logic-level N-channel MOSFET power devices used for low-voltage secondary-side synchronous rectification.

    The combination of controller and MOSFET emulates a near-ideal diode rectifier. This solution not only directly reduces power dissipation of the rectifier but also indirectly reduces primary-side losses as well, due to compounding of efficiency gains.

    Using drain-to-source voltage sensing, the UCC24610 is ideal for Flyback and LLC-resonant power supplies but can also be used with other power architectures. The UCC24610 is optimized for output voltages from 4.5 V to 5.5 V, and is suitable for use with lower and higher output voltages as well.

    The UCC24610 offers a programmable false-triggering filter, a programmable timer to automatically switch to light-load mode at light load, and a SYNC input for optional use in continuous conduction mode (CCM) systems. Protection features on TON and EN/TOFF pins prevent run-away on-time due to open-circuit or short-circuit fault conditions.

    This device is available in an 8-pin SOIC package and an 8-pin, 3.0-mm × 3.0-mm SON package with an exposed thermal pad.

    This GREEN Rectifier controller is a high-performance controller and driver for standard and logic-level N-channel MOSFET power devices used for low-voltage secondary-side synchronous rectification.

    The combination of controller and MOSFET emulates a near-ideal diode rectifier. This solution not only directly reduces power dissipation of the rectifier but also indirectly reduces primary-side losses as well, due to compounding of efficiency gains.

    Using drain-to-source voltage sensing, the UCC24610 is ideal for Flyback and LLC-resonant power supplies but can also be used with other power architectures. The UCC24610 is optimized for output voltages from 4.5 V to 5.5 V, and is suitable for use with lower and higher output voltages as well.

    The UCC24610 offers a programmable false-triggering filter, a programmable timer to automatically switch to light-load mode at light load, and a SYNC input for optional use in continuous conduction mode (CCM) systems. Protection features on TON and EN/TOFF pins prevent run-away on-time due to open-circuit or short-circuit fault conditions.

    This device is available in an 8-pin SOIC package and an 8-pin, 3.0-mm × 3.0-mm SON package with an exposed thermal pad.

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    Documentación técnica

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    Documentación principal Tipo Título Opciones de formato Fecha
    * Data sheet UCC24610 GREEN Rectifier™ Controller Device datasheet (Rev. C) PDF | HTML 12 ago 2015
    More literature PCB layout guidelines to optimize power supply performance 23 mar 2021
    Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
    Application note UCC24610 and UCC24612 SR Range Extension Guide 18 dic 2017
    Technical article USB Wall Chargers: Conveniences and Challenges PDF | HTML 06 oct 2015
    Application note A High Efficiency Synchronous Rectifier Flyback for High Density AC/DC Adapter 03 jun 2011
    User guide A 90-W High-Efficiency, LLC Series-Resonant Converter 03 nov 2010
    User guide Using the UCC24610EVM-693 03 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

    UCC24610EVM-563 — Módulo de evaluación UCC24610 para controlador rectificador síncrono de lado secundario

    El UCC24610EVM-563 es un convertidor de retorno DCM fuera de línea de 25 W y 5 V con rectificación sincrónica del lado secundario controlada por el UCC24610. El control del lado principal lo proporciona el controlador de retorno con modo ecológico de UCC28610.
    Guía del usuario: PDF
    Tarjeta secundaria

    UCC24610EVM-693 — Tarjeta de demostración de sustitución de diodos para controlador rectificador síncrono de lado secu

    UCC24610EVM-693 es una tarjeta de demostración de sustitución de diodos, utilizada como sustituto del diodo Schottky en un sistema de cliente existente. Esta tarjeta secundaria consta del controlador UCC24610, un transistor FET para 5 V, conv. de salida 10 W y comp. de soporte. El UCC24610EVM-693 (...)
    Guía del usuario: PDF
    Herramienta de cálculo

    SLUC348 UCC24610 Design Calculation Tool

    Productos y hardware compatibles

    Productos y hardware compatibles

    Muchos diseños de referencia de TI incluyen UCC24610

    Utilice nuestra herramienta de selección de diseños de referencia para revisar e identificar los diseños que mejor se adaptan a su aplicación y parámetros.

    Encapsulado Pines Símbolos CAD, huellas y modelos 3D
    SOIC (D) 8 Ultra Librarian
    VSON (DRB) 8 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

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    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.

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