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)

TPS56528

ACTIVO

Convertidor reductor síncrono de entrada de 4.5 V a 18 V y 5 A con Eco-Mode™ avanzado

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TPS565242 ACTIVO Convertidor reductor síncrono de entrada de tensión de 3 V a 16 V, 5 A y ECO mode en encapsulado SOT Upgraded with higher efficiency and smaller package

TPS56528

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Light Load Efficiency, Soft Start Fixed, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (µA) 250 Duty cycle (max) (%) 65
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650 Features Enable, Light Load Efficiency, Soft Start Fixed, Synchronous Rectification Control mode D-CAP2 Vout (min) (V) 0.6 Vout (max) (V) 7 Iq (typ) (µA) 250 Duty cycle (max) (%) 65
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.6 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Band-Gap Reference Accuracy
  • Prebiased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
  • Power Good Output
  • Fixed Soft Start: 1 ms
  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.6 V to 7 V
  • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications –68 mΩ (High-Side) and 37 mΩ (Low-Side)
  • High Efficiency, Less Than 10 µA at Shutdown
  • High Initial Band-Gap Reference Accuracy
  • Prebiased Soft Start
  • 650-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Advanced Auto-Skip Eco-Mode™ for High Efficiency at Light Load
  • Power Good Output
  • Fixed Soft Start: 1 ms

The TPS56528 device is an adaptive on-time D-CAP2&rade; mode synchronous buck converter. The TPS56528 enables system designers to complete the suite of various end-equipment power bus regulators with a cost-effective, low component count, low standby current solution. The main control loop for the TPS56528 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-Mode™ operation at light loads. Advanced Eco-Mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions. The TPS56528 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.6 V and 7 V. The device also features a fixed 1-ms soft-start time and power good output. The TPS56528 is available in the 8-pin SO PowerPAD™ package, and designed to operate from –40°C to 85°C.

The TPS56528 device is an adaptive on-time D-CAP2&rade; mode synchronous buck converter. The TPS56528 enables system designers to complete the suite of various end-equipment power bus regulators with a cost-effective, low component count, low standby current solution. The main control loop for the TPS56528 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and advanced Eco-Mode™ operation at light loads. Advanced Eco-Mode™ allows the TPS56528 to maintain high efficiency during lighter load conditions. The TPS56528 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.6 V and 7 V. The device also features a fixed 1-ms soft-start time and power good output. The TPS56528 is available in the 8-pin SO PowerPAD™ package, and designed to operate from –40°C to 85°C.
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TPS54628 ACTIVO Convertidor reductor síncrono de 6 A y 4.5 V a 18 V con Eco-Mode en encapsulado HTSSOP This product offers higher current (6 A).
TPS56428 ACTIVO Convertidor reductor síncrono de entrada de 4.5 V a 18 V y 4 A con Eco-Mode™ avanzado This product offers lower current (4 A).

Documentación técnica

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* Data sheet TPS56528 4.5-V to 18-V Input, 5-A Synchronous Step-Down Converter With Advanced Eco-Mode™ datasheet (Rev. B) PDF | HTML 30 nov 2016
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 abr 2024
EVM User's guide TPS56528 Buck Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 10 jun 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
Analog Design Journal Agency requirements for stand-by power consumption w/ offline and PoL converters 26 ene 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

TPS56528EVM-534 — Módulo de evaluación TPS56528 de convertidor CC/CC reductor

The Texas Instruments TPS56528EVM-534 evaluation module (EVM) helps designers evaluate the performance of the TPS56528 4.5V to 18V Input, 5A Synchronous Step-Down Converter with Eco-Mode.
Guía del usuario: PDF | HTML
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Modelo de simulación

TPS56528 TINA-TI Transient Reference Design

SLVM886.TSC (720 KB) - TINA-TI Reference Design
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Modelo de simulación

TPS56528 TINA-TI Transient Spice Model

SLVM885.ZIP (47 KB) - TINA-TI Spice Model
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Modelo de simulación

TPS56528 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM855A.ZIP (51 KB) - PSpice Model
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Diseños de referencia

PMP11180 — Entrada de 120 VCA de alta eficiencia, diseño de referencia de 25 W/5 VCC con 4 salidas POL

This 25-W design uses the UCC28740 in a flyback topology to minimize no-load standby power and the UCC24636 synchronous rectifier controller to minimize power MOSFET body-diode conduction times. The design also features point-of-load converters from the main 5V rail that implement an energy-saving (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HSOIC (DDA) 8 Ultra Librarian
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Pedidos y calidad

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  • 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
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  • Lugar de fabricación
  • Lugar de ensamblaje

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