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UCC28950-Q1

ACTIVO

Controlador PWM de puente completo y 8 V a 20 V con cambio de fase y rectificación síncrona automotr

Detalles del producto

Topology Phase-shifted full bridge Control mode Current Features Adjustable switching frequency, Current limiting, Error amplifier, Light-load efficiency, SR logic, Soft start, Soft switching Duty cycle (max) (%) 97
Topology Phase-shifted full bridge Control mode Current Features Adjustable switching frequency, Current limiting, Error amplifier, Light-load efficiency, SR logic, Soft start, Soft switching Duty cycle (max) (%) 97
TSSOP (PW) 24 49.92 mm² (7.8 mm × 6.4 mm)
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level H2
    • Device CDM ESD classification level C3B
  • Enhanced zero-voltage switching (ZVS) range
  • Direct synchronous rectifier (SR) control
  • Light-load efficiency management including:
    • Burst mode operation
    • Discontinuous conduction mode (DCM), dynamic SR on/off control
  • Average- or peak-current mode control with programmable slope compensation and voltage-mode control
  • Closed-loop soft-start and enable function
  • Programmable switching frequency up to 1 MHz with bidirectional synchronization
  • (±3%) cycle-by-cycle current limit protection with hiccup mode support
  • 150µA start-up current
  • VDD undervoltage lockout
  • Wide temperature range: –40°C to +125°C
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level H2
    • Device CDM ESD classification level C3B
  • Enhanced zero-voltage switching (ZVS) range
  • Direct synchronous rectifier (SR) control
  • Light-load efficiency management including:
    • Burst mode operation
    • Discontinuous conduction mode (DCM), dynamic SR on/off control
  • Average- or peak-current mode control with programmable slope compensation and voltage-mode control
  • Closed-loop soft-start and enable function
  • Programmable switching frequency up to 1 MHz with bidirectional synchronization
  • (±3%) cycle-by-cycle current limit protection with hiccup mode support
  • 150µA start-up current
  • VDD undervoltage lockout
  • Wide temperature range: –40°C to +125°C

The UCC28951-Q1 controller is an enhanced version of the UCC28950-Q1. It is a fully compatible drop-in replacement for the UCC28950-Q1. Refer to application note Making the Correct Choice: UCC28950-Q1 or UCC28951-Q1 to determine which controller to use.The UCC2895x-Q1 devices use advanced control of the full-bridge in addition to active control of the synchronous rectifier (SR) output stage.

ZVS operation ensured over a wide range of operating conditions, while the load current naturally tunes the switching delays of the secondary-side synchronous rectifiers(SR). This functionality maximizes overall system efficiency.

Easily get started with the UCC2895x-Q1 600W phase shifted full bridge design review/application note,

The 24-pin, TSSOP package complies with RoHS requirements.

The UCC28951-Q1 controller is an enhanced version of the UCC28950-Q1. It is a fully compatible drop-in replacement for the UCC28950-Q1. Refer to application note Making the Correct Choice: UCC28950-Q1 or UCC28951-Q1 to determine which controller to use.The UCC2895x-Q1 devices use advanced control of the full-bridge in addition to active control of the synchronous rectifier (SR) output stage.

ZVS operation ensured over a wide range of operating conditions, while the load current naturally tunes the switching delays of the secondary-side synchronous rectifiers(SR). This functionality maximizes overall system efficiency.

Easily get started with the UCC2895x-Q1 600W phase shifted full bridge design review/application note,

The 24-pin, TSSOP package complies with RoHS requirements.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos UCC2895x-Q1 Automotive Phase-Shifted Full-Bridge Controller for Wide-Input Voltage Range Applications datasheet (Rev. C) PDF | HTML 17/10/2024
Nota sobre la aplicación UCC28950 600W Phase Shifted Full Bridge Design Review/Application Report (Rev. D) PDF | HTML 4/03/2022
Nota sobre la aplicación Making the Correct Choice: UCC28950-Q1 or UCC28951-Q1 13/11/2017
Más documentación Design review of a 2-kW parallelable power supply module 17/08/2016
Más documentación Design review of a 2-kW parallelable power supply module (PPT) 17/08/2016

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

UCC28950EVM-442 — Módulo de evaluación UCC28950 de convertidor de puente completo de 600 W con cambio de fase

El UCC28950EVM-442 es un convertidor de puente completo con desplazamiento de fase de 600 W que convierte una entrada de CC de 370 V a 410 V en una salida regulada de 12 V. Este convertidor se diseñó para mantener el ZVS hasta una carga del 50 %. Este EVM de 600 W se diseñó para demostrar cómo se (...)

Guía del usuario: PDF
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Pedidos y calidad

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