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)

TPS546C23

ACTIVO

Convertidor reductor SWIFT™ síncrono de 4.5 V a 18 V y 35 A apilable con PMBus y telemetría

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TPS546C23

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 35 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, Over Current Protection, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining Control mode Voltage mode Vout (min) (V) 0.35 Vout (max) (V) 5.5 Iq (typ) (µA) 7700 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 35 Vin (min) (V) 4.5 Vin (max) (V) 18 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, Over Current Protection, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Telemetry, UVLO adjustable, Voltage Margining Control mode Voltage mode Vout (min) (V) 0.35 Vout (max) (V) 5.5 Iq (typ) (µA) 7700 Duty cycle (max) (%) 100
LQFN-CLIP (RVF) 40 35 mm² 7 x 5
  • PMBus™ 1.3 Compliant Converters: 35 A
  • 2-Device Stackable for up to 70 A With Current Sharing
  • Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.35 V to 5.5 V
  • Integrated 3.2-mΩ and 1.4-mΩ Stacked NexFET™ Power Stage
  • 350-mV to 1650-mV Reference for Adaptive Voltage Scaling (AVS) Function and Margining through PMBus
  • 0.5% Reference Accuracy at 600 mV and Above
  • Lossless Low-Side MOSFET Current Sensing
  • Voltage Mode Control With Input Feed-Forward
  • Differential Remote Sensing
  • Monotonic Start-Up into Pre-Biased Output
  • Output Voltage and Output Current Reporting
  • Internal Die Temperature Monitoring
  • 64 Programmable PMBus Addresses via ADDR0 and ADDR1 Pins
  • Programmable via the PMBus Interface:
    • OCP, UVLO, Soft-Start, PG, OV, UV, OT Levels, Fault Responses
    • Turnon and Turnoff Delays
  • Thermal Shutdown
  • Pin Strapping for Switching Frequency: 200 kHz to 1 MHz
  • Frequency Synchronization to an External Clock or Output Clock to Sync Out
  • Create a Custom Design Using the TPS546C23 With the WEBENCH® Power Designer
  • PMBus™ 1.3 Compliant Converters: 35 A
  • 2-Device Stackable for up to 70 A With Current Sharing
  • Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.35 V to 5.5 V
  • Integrated 3.2-mΩ and 1.4-mΩ Stacked NexFET™ Power Stage
  • 350-mV to 1650-mV Reference for Adaptive Voltage Scaling (AVS) Function and Margining through PMBus
  • 0.5% Reference Accuracy at 600 mV and Above
  • Lossless Low-Side MOSFET Current Sensing
  • Voltage Mode Control With Input Feed-Forward
  • Differential Remote Sensing
  • Monotonic Start-Up into Pre-Biased Output
  • Output Voltage and Output Current Reporting
  • Internal Die Temperature Monitoring
  • 64 Programmable PMBus Addresses via ADDR0 and ADDR1 Pins
  • Programmable via the PMBus Interface:
    • OCP, UVLO, Soft-Start, PG, OV, UV, OT Levels, Fault Responses
    • Turnon and Turnoff Delays
  • Thermal Shutdown
  • Pin Strapping for Switching Frequency: 200 kHz to 1 MHz
  • Frequency Synchronization to an External Clock or Output Clock to Sync Out
  • Create a Custom Design Using the TPS546C23 With the WEBENCH® Power Designer

The TPS546C23 devices are PMBus 1.3 Compliant, non-isolated DC/DC converters with integrated FETs, capable of high-frequency operation and 35-A current output from a 7-mm × 5-mm package. Two TPS546C23 devices can be paralleled together to provide up to 70-A load. Current sensing is realized by sampling a small portion of the power stage current and independent on the device temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions. The PMBus interface enables the AVS functions through VOUT_COMMAND, flexible converter configuration, as well as key parameters monitoring including output voltage, current, and internal die temperature. Response to fault conditions can be set to either restart, latch-off or ignore depending on system requirements.

The TPS546C23 devices are PMBus 1.3 Compliant, non-isolated DC/DC converters with integrated FETs, capable of high-frequency operation and 35-A current output from a 7-mm × 5-mm package. Two TPS546C23 devices can be paralleled together to provide up to 70-A load. Current sensing is realized by sampling a small portion of the power stage current and independent on the device temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions. The PMBus interface enables the AVS functions through VOUT_COMMAND, flexible converter configuration, as well as key parameters monitoring including output voltage, current, and internal die temperature. Response to fault conditions can be set to either restart, latch-off or ignore depending on system requirements.
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Documentación técnica

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* Data sheet TPS546C23 4.5-V to 18-V, 35-A 2× Stackable Synchronous Buck Converters With PMBus Supporting Telemetry datasheet (Rev. C) PDF | HTML 11 jun 2018
User guide TPS546C23 2-Phase SWIFT™ Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 24 feb 2022
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
Technical article 3 big benefits of small cells PDF | HTML 26 may 2020
White paper Small Cells, Big Impact: Designing Power Soutions for 5G Applications 26 jun 2019
Application note Programming the NVM of PMBus Buck Converters to Support Mass-Production Needs (Rev. B) 13 may 2019
Application note 如何实现比基准更低的输出电压 08 abr 2018
Application note Analysis and Design of Input Filter for DC-DC Circuit 27 nov 2017
Technical article Getting started with PMBus PDF | HTML 14 sep 2017
Technical article Save PCB space and overcome point-of-load design complexity with PMBus modules PDF | HTML 27 mar 2017
Technical article Stack current with PowerStack packages for higher power POL PDF | HTML 07 dic 2016
More literature TPS546C23 Quick Reference Guide 17 nov 2016
EVM User's guide TPS546C23EVM1-746 Two, Separated Single-Phase Evaluation Module 21 jun 2016
Application note Method of Graphing Safe Operating Area (SOA) Curves in DC-DC Converter 30 mar 2016
Analog Design Journal MOSFET power losses and how they affect power-supply efficiency 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

TPS546C23EVM1-746 — Módulo de evaluación de convertidor reductor síncrono apilable PMBus de 35 A TPS546C23

The TPS546C23EVM1-746 evaluation module provides two separate buck converters that convert from a nominal 12-V bus to produce two regulated 0.9-V outputs, up to 35 A of load current each. The TPS546C23EVM1-746 is designed to demonstrate the TPS546C23 in a typical single-phase low output voltage (...)

Guía del usuario: PDF
No disponible en TI.com
Placa de evaluación

TPS546C23EVM2-746 — Módulo de evaluación bifásico de 70 A apilable TPS546C23 con PMBUS

The TPS546C23EVM2-746 evaluation module combines two 35-A TPS546C23 buck converters in a stackable configuration to deliver a continuous 70-A output current and a regulated 1.2-V output from a nominal 12-V input bus. The evaluation module accomodates the PMBus interface with telemetry.

Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

TPS546C23 IBIS Model

SLUM706.ZIP (53 KB) - IBIS Model
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Modelo de simulación

TPS546C23 PSpice Transient Model

SLUM531.ZIP (289 KB) - PSpice Model
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Herramienta de cálculo

SLURB05 — TPS546C20A and TPS546C23 Excel Calculator and Layout Checklist

Productos y hardware compatibles

Productos y hardware compatibles

Productos
Convertidores de CA/CC y CC/CC (FET integrado)
TPS546C20A — Convertidor reductor SWIFT™ síncrono de 4.5 V a 18 V y 35 A apilable con PMBus y fijación de pasador TPS546C23 — Convertidor reductor SWIFT™ síncrono de 4.5 V a 18 V y 35 A apilable con PMBus y telemetría
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Diseños de referencia

PMP20490 — Diseño de referencia de 12 Vin, 1,2 Vout, 60 A POL de alta densidad con convertidores apilados DCDC

The TPS546C23 provides a single IC for both control & the synchronous power stage for high current DC/DC applications and allows doubling of the current capability with use of two of the same part.  Multi-phase also allows output ripple cancellation and effective higher bandwidth control (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
LQFN-CLIP (RVF) 40 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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