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TPS51385

ACTIVO

Regulador de tensión reductor síncrono de entrada de 4.5 V a 24 V y 7 A, con control de tiempo de co

Detalles del producto

Rating Catalog Topology Buck Iout (max) (A) 7 Vin (max) (V) 24 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Fixed Output, Light-load efficiency, Overcurrent protection, Power good, Prebias startup, Soft-start fixed, UVLO Fixed Control mode D-CAP3 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 80 Duty cycle (max) (%) 97 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 7 Vin (max) (V) 24 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Fixed Output, Light-load efficiency, Overcurrent protection, Power good, Prebias startup, Soft-start fixed, UVLO Fixed Control mode D-CAP3 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 80 Duty cycle (max) (%) 97 Type Converter
VQFN-HR (RJN) 12 6 mm² 3 x 2
  • 4.5-V to 24-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Integrated 22-mΩ and 11-mΩ MOSFETs
  • Support 7-A continuous I OUT
  • 84-µA low quiescent current
  • ±1% reference voltage (0.6 V) at 25°C
  • ±1.5% reference voltage (0.6 V) at –40°C to 125°C
  • 1-MHz switching frequency
  • D-CAP3™ control mode for fast transient response
  • Supports POSCAP and all MLCC output capacitor
  • Adjustable soft start and internal 1-ms soft start
  • Selectable PSM and Out-of-Audio™ (OOA) mode under light load and supports on-the-fly change
  • Large duty operation support
  • Power-good indicator to monitor output voltage
  • Latched output OV and UV protection
  • Non-latched UVLO and OT protection
  • Cycle-by-cycle overcurrent protection
  • Built-in output discharge feature
  • Small 2.00-mm × 3.00-mm HotRod™ QFN package
  • Pin-to-pin compatible with TPS51386 (24 V, 8 A)
  • 4.5-V to 24-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Integrated 22-mΩ and 11-mΩ MOSFETs
  • Support 7-A continuous I OUT
  • 84-µA low quiescent current
  • ±1% reference voltage (0.6 V) at 25°C
  • ±1.5% reference voltage (0.6 V) at –40°C to 125°C
  • 1-MHz switching frequency
  • D-CAP3™ control mode for fast transient response
  • Supports POSCAP and all MLCC output capacitor
  • Adjustable soft start and internal 1-ms soft start
  • Selectable PSM and Out-of-Audio™ (OOA) mode under light load and supports on-the-fly change
  • Large duty operation support
  • Power-good indicator to monitor output voltage
  • Latched output OV and UV protection
  • Non-latched UVLO and OT protection
  • Cycle-by-cycle overcurrent protection
  • Built-in output discharge feature
  • Small 2.00-mm × 3.00-mm HotRod™ QFN package
  • Pin-to-pin compatible with TPS51386 (24 V, 8 A)

The TPS51385 is a monolithic, 7-A, synchronous buck converter with adaptive on-time D-CAP3 control mode. Integrated low R DS(on) power MOSFETs enable high efficiency and offer ease-of-use with minimum external component count for space-constrained power systems. Features include an accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, OOA light load operation with > 25-kHz switching frequency, D-CAP3 control mode with good line, load regulation, and does not require external compensation.

The TPS51385 provides complete protection OVP, UVP, OCP, OTP and UVLO. The device is combined power-good signal and output discharge function.

The TPS51385 supports both internal and external soft-start time options. The device has the internal fixed soft-start time 1 ms. If the application needs longer soft-start time, the external SS pin can be used to achieve longer soft-start time by connecting the external capacitor.

The TPS51385 are available in a thermally enhanced 12-pin QFN package and are designed to operate from –40°C to 125°C junction temperature.

The TPS51385 is a monolithic, 7-A, synchronous buck converter with adaptive on-time D-CAP3 control mode. Integrated low R DS(on) power MOSFETs enable high efficiency and offer ease-of-use with minimum external component count for space-constrained power systems. Features include an accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, OOA light load operation with > 25-kHz switching frequency, D-CAP3 control mode with good line, load regulation, and does not require external compensation.

The TPS51385 provides complete protection OVP, UVP, OCP, OTP and UVLO. The device is combined power-good signal and output discharge function.

The TPS51385 supports both internal and external soft-start time options. The device has the internal fixed soft-start time 1 ms. If the application needs longer soft-start time, the external SS pin can be used to achieve longer soft-start time by connecting the external capacitor.

The TPS51385 are available in a thermally enhanced 12-pin QFN package and are designed to operate from –40°C to 125°C junction temperature.

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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS51385 4.5-V to 24-V Input, 7-A Synchronous Buck Converter With Latched OVP/UVP, Adjustable Soft Start, and PSM/OOA Modes datasheet PDF | HTML 24 ago 2023
Application note D-CAP2 and D-CAP3 Loop Analysis With Hybrid Output Capacitors PDF | HTML 22 dic 2023
Certificate TPS51385EVM EU Declaration of Conformity (DoC) 23 ago 2023

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

TPS51385EVM — Módulo de evaluación TPS51385 del convertidor reductor síncrono de 4.5 V a 24 V, 7 A

El módulo de evaluación (EVM) TPS51385 es un convertidor buck síncrono único que proporciona 5.1 V a 7 A desde una entrada de 6 V a 24 V con modo D-CAP3™ y un recuento de componentes externos muy bajo.

Guía del usuario: PDF | HTML
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN-HR (RJN) 12 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

Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.

Soporte y capacitación

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