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)

TPS65265

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Convertidor reductor triple con tensión de entrada de 4.5 V a 17 V y corriente de salida de 5 A/3 A/

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TPS65265

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 2300 Features Enable, Soft Start Fixed, UVLO adjustable Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 15 Iq (typ) (µA) 11.5 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 5 Vin (min) (V) 4.5 Vin (max) (V) 17 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 2300 Features Enable, Soft Start Fixed, UVLO adjustable Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 15 Iq (typ) (µA) 11.5 Duty cycle (max) (%) 100
VQFN (RHB) 32 25 mm² 5 x 5
  • Operating input voltage range 4.5 V to 17 V
  • Feedback reference voltage 0.6 V ±1.33%
  • Continuous output current 5 A/3 A/2 A
  • Adjustable clock frequency from 250 kHz to 2.3 MHz
  • External synchronization oscillator
  • 120° out of phase for Buck1, Buck2, Buck3
  • Dedicated enable pins for each buck
  • Fixed SS time for each buck (2.4 ms)
  • Automatic power-up, power-down sequence and adjustable interval time between bucks (6 combinations)
  • Support Pulse Skipping Mode (PSM) and Forced Continuous Current Mode (FCCM)
  • Output voltage power-good indicator and adjustable delay time
  • Thermal overloading protection
  • 32-pin QFN (RHB) 5-mm × 5-mm package
  • Operating input voltage range 4.5 V to 17 V
  • Feedback reference voltage 0.6 V ±1.33%
  • Continuous output current 5 A/3 A/2 A
  • Adjustable clock frequency from 250 kHz to 2.3 MHz
  • External synchronization oscillator
  • 120° out of phase for Buck1, Buck2, Buck3
  • Dedicated enable pins for each buck
  • Fixed SS time for each buck (2.4 ms)
  • Automatic power-up, power-down sequence and adjustable interval time between bucks (6 combinations)
  • Support Pulse Skipping Mode (PSM) and Forced Continuous Current Mode (FCCM)
  • Output voltage power-good indicator and adjustable delay time
  • Thermal overloading protection
  • 32-pin QFN (RHB) 5-mm × 5-mm package

The TPS65265 incorporates triple synchronous buck converters with 4.5-V to 17-V wide input voltage range that encompassed most intermediate bus voltage operating off 5-, 9-, 12- or 15-V power bus or battery. The converter with constant frequency peak current mode is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The switching frequency of the converters can be adjustable from 250 kHz to 2.3 MHz with an external resistor or external clock. 120° out-of-phase operation between Buck1, Buck2, and Buck3 minimizes the input filter requirements.

The TPS65265 operates in pulse skipping mode (PSM) with driving MODE pin to high or leaving float and operates in force continuous current mode (FCC) with connecting MODE pin to GND. PSM mode provides high efficiency by reducing switching losses at light load and FCC mode reduces noise susceptibility and RF interference.

The TPS65265 is available in a 32-pin thermal enhanced QFN (RHB) 5-mm × 5-mm thin package.

The TPS65265 incorporates triple synchronous buck converters with 4.5-V to 17-V wide input voltage range that encompassed most intermediate bus voltage operating off 5-, 9-, 12- or 15-V power bus or battery. The converter with constant frequency peak current mode is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The switching frequency of the converters can be adjustable from 250 kHz to 2.3 MHz with an external resistor or external clock. 120° out-of-phase operation between Buck1, Buck2, and Buck3 minimizes the input filter requirements.

The TPS65265 operates in pulse skipping mode (PSM) with driving MODE pin to high or leaving float and operates in force continuous current mode (FCC) with connecting MODE pin to GND. PSM mode provides high efficiency by reducing switching losses at light load and FCC mode reduces noise susceptibility and RF interference.

The TPS65265 is available in a 32-pin thermal enhanced QFN (RHB) 5-mm × 5-mm thin package.
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Documentación técnica

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* Data sheet TPS65265 4.5-V to 17-V Input Voltage, 5-A/3-A/2-A Output Current Triple Synchronous Step-Down Converter datasheet (Rev. B) PDF | HTML 22 may 2023
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 TPS65265EVM-705 Buck Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 11 may 2021
Application note Measure Power Stage Gain and Slope Compensation in PCM (Peak Current Mode) BUCK (Rev. A) PDF | HTML 01 abr 2019
Application note TPS65250/1/2/3 LAYOUT GUIDE 15 ene 2013

Diseño y desarrollo

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Placa de evaluación

TPS65265EVM-705 — Módulo de evaluación TPS65265 de corriente de salida de 5 A, 3 A y 2 A de PMIC

The TPS65265EVM-705 evaluation module facilitates evaluation of the TPS65265. The TPS65265 PMIC is a triple 5A/3A/2A output current, synchronous step-down (buck) converter with an operational range of 4.5 to 17V. The feedback voltage reference for each buck is 0.6V. Each buck is independent with (...)

Guía del usuario: PDF | HTML
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Modelo de simulación

TPS65265 Unencrypted PSpice Average Model Package (Rev. A)

SLVMBE7A.ZIP (108 KB) - PSpice Model
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Diseños de referencia

PMP40041 — Diseño de referencia de POL con entrada de 4.5 V a 14 V y salida de triple carril

The PMP40041 is a reference design which uses the TPS56265 to generate three output rails. The input voltage range is 4.5V to 14V. The TPS65265 incorporates a triple synchronous buck converter with continuous output current 5A/3A/2A . The PMP40041 has dedicated headers to switch the output voltage (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RHB) 32 Ultra Librarian
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Pedidos y calidad

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  • 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
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