Inicio Gestión de la energía Controladores CA/CC y CC/CC (FET externo)
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Gestión de la energía
Controladores CA/CC y CC/CC (FET externo)

UCC28951-Q1

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Controlador de puente completo con cambio de fase ecológica y control SR para un amplio rango de ten

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UCC28951-Q1

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Detalles del producto

Vin (max) (V) 17 Operating temperature range (°C) -40 to 125 Control mode Current Topology Phase-shifted full bridge Rating Automotive Features Adjustable switching frequency, Current limiting, Enable/Shutdown, Error amplifier, Green mode, Light-load efficiency, Programmable slope compensation, SR logic, Soft start, Soft switching, Synchronization pin, Thermal shutdown Duty cycle (max) (%) 97
Vin (max) (V) 17 Operating temperature range (°C) -40 to 125 Control mode Current Topology Phase-shifted full bridge Rating Automotive Features Adjustable switching frequency, Current limiting, Enable/Shutdown, Error amplifier, Green mode, Light-load efficiency, Programmable slope compensation, SR logic, Soft start, Soft switching, Synchronization pin, Thermal shutdown Duty cycle (max) (%) 97
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4
  • 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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* Data sheet UCC2895x-Q1 Automotive Phase-Shifted Full-Bridge Controller for Wide-Input Voltage Range Applications datasheet (Rev. C) PDF | HTML 17 oct 2024
Application note UCC28950 600W Phase Shifted Full Bridge Design Review/Application Report (Rev. D) PDF | HTML 04 mar 2022
Functional safety information UCC28951-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 30 sep 2020
Application note PFC Design Choice for On Board Charger Designs 24 may 2018
Application brief Reducing Switching Losses in On-Board Chargers for Electric Vehicles 27 mar 2018
Technical article Hybrid electric vehicles and electric vehicles need different isolated DC/DCs to w PDF | HTML 27 dic 2017
Application note Making the Correct Choice: UCC28950-Q1 or UCC28951-Q1 13 nov 2017
Technical article Are you on-board? Demystifying EV charging systems PDF | HTML 31 jul 2017
Application note Gate Driver Design Considerations 10 oct 2016
EVM User's guide Using the UCC27714EVM-551 for Evaluating the UCC28951-Q1 06 oct 2016
More literature Design review of a 2-kW parallelable power supply module 17 ago 2016
More literature Design review of a 2-kW parallelable power supply module (PPT) 17 ago 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.

Modelo de simulación

UCC28950 and UCC28951 PSpice Transient Model (Rev. C)

SLUM169C.ZIP (168 KB) - PSpice Model
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Modelo de simulación

UCC28950 and UCC28951 TINA-TI Startup Reference Design (Rev. A)

SLUM276A.TSC (738 KB) - TINA-TI Reference Design
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Modelo de simulación

UCC28950 and UCC28951 TINA-TI Steady State Reference Design (Rev. A)

SLUM277A.TSC (739 KB) - TINA-TI Reference Design
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Diseños de referencia

TIDA-01407 — Diseño de referencia de potencia de salida de 12 V y entrada de batería de 48 V y 400 W para automoc

This reference design is an automotive, 400-W, phase-shifted full-bridge converter which generates the 12-V output from a 48-V car battery. The enhanced phaseshifted full-bridge controller implements programmable delays which ensure zero voltage switching (ZVS) over a wide range of operating (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

PMP20657 — Diseño de referencia de fuente de alimentación para sector automotriz compacta y eficiente de 48 V a

The PMP20657 reference design is a compact, efficient unidirectional 48V to 12V @ 400W power converter. The design is pseudo-isolated to protect 12V loads. The phase-shifted full-bridge topology achieves over 95% peak efficiency. Light-load mode enables <100mW standby power with full (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
TSSOP (PW) 24 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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