Inicio Administración de potencia Módulos de energía CC/CC Módulos de potencia (inductor integrado)

TPSM82810

ACTIVO

Módulo red. de 4 A con entrada de 2.75 V a 6 V y frecuencia ajustable en encapsulado μSIP y MagPack

Detalles del producto

Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 4 Vin (max) (V) 6 Vin (min) (V) 2.75 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adjustable soft start, Adjustable switching frequency, EMI Tested, Enable, Frequency synchronization, Light-load efficiency, MagPack technology, Output discharge, Overcurrent protection, Overtemperature protection, Power good, Spread Spectrum, Synchronous rectification, Thermal shutdown, Tracking, ULVO Fixed, UVLO, Undervoltage Lock Out (UVLO) EMI features Low parasitic Hotrod packaging, Spread Spectrum Operating temperature range (°C) -40 to 125 Type Converter (Integrated Switch), DC/DC converter, Module Duty cycle (max) (%) 100 Control mode Peak current mode, current mode, current mode control Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000
Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 4 Vin (max) (V) 6 Vin (min) (V) 2.75 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Adjustable soft start, Adjustable switching frequency, EMI Tested, Enable, Frequency synchronization, Light-load efficiency, MagPack technology, Output discharge, Overcurrent protection, Overtemperature protection, Power good, Spread Spectrum, Synchronous rectification, Thermal shutdown, Tracking, ULVO Fixed, UVLO, Undervoltage Lock Out (UVLO) EMI features Low parasitic Hotrod packaging, Spread Spectrum Operating temperature range (°C) -40 to 125 Type Converter (Integrated Switch), DC/DC converter, Module Duty cycle (max) (%) 100 Control mode Peak current mode, current mode, current mode control Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000
QFN-FCMOD (VCA) 13 7.5 mm² (3 mm × 2.5 mm) uSIP (SIL) 14 12 mm² (4 mm × 3 mm)
  • Adjustable and synchronizable switching frequency of 1.8MHz to 4MHz
  • Two package types available
    • MagPack package (shields inductor and IC) 13-pin, < 2.0mm tall
    • µSIL 14-pin, < 2.4mm tall
  • Optimized for low EMI requirements
    • Flip-chip die mount (no bond wires)
    • Simplified layout through optimized pinout
  • Spread spectrum clocking versions available
  • Selectable forced PWM or PFM/PWM operation
  • Output voltage accuracy ±1% (PWM operation)
  • 2.75V to 6V input voltage range
  • 0.6V to 5.5V output voltage range
  • Adjustable soft start or tracking
  • Power-good output with window comparator
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle
  • Output discharge
  • 15µA typical quiescent current
  • Excellent thermal performance
  • –40°C to 125°C operating temperature range
  • Pin-to-pin 6A version, 1.6mm tall: TPSM82816
  • Create a custom design using the TPSM8281x with the WEBENCH® Power Designer
  • Adjustable and synchronizable switching frequency of 1.8MHz to 4MHz
  • Two package types available
    • MagPack package (shields inductor and IC) 13-pin, < 2.0mm tall
    • µSIL 14-pin, < 2.4mm tall
  • Optimized for low EMI requirements
    • Flip-chip die mount (no bond wires)
    • Simplified layout through optimized pinout
  • Spread spectrum clocking versions available
  • Selectable forced PWM or PFM/PWM operation
  • Output voltage accuracy ±1% (PWM operation)
  • 2.75V to 6V input voltage range
  • 0.6V to 5.5V output voltage range
  • Adjustable soft start or tracking
  • Power-good output with window comparator
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle
  • Output discharge
  • 15µA typical quiescent current
  • Excellent thermal performance
  • –40°C to 125°C operating temperature range
  • Pin-to-pin 6A version, 1.6mm tall: TPSM82816
  • Create a custom design using the TPSM8281x with the WEBENCH® Power Designer

TPSM8281x is a family of pin-to-pin compatible, high-efficiency, and easy to use synchronous step-down DC/DC power modules with integrated inductors with output currents ranging from 1A up to 4A. The devices use a fixed-frequency peak current-mode control topology and support high power density requirements for telecommunication, test and measurement, and medical applications. Low resistance switches allow up to 4A continuous output current at high ambient temperatures. The switching frequency is adjustable from 1.8MHz to 4MHz and can also be synchronized to an external clock. In PFM/PWM mode, the TPSM8281x maintains high efficiency over the whole load range. The devices provide 1% output voltage accuracy in PWM mode, which eases designing precise power supplies. The SS/TR pin can be used to limit inrush current through a precise start-up ramp, or for sequencing by tracking the output voltage to an external voltage applied to this pin.

TPSM8281x is a family of pin-to-pin compatible, high-efficiency, and easy to use synchronous step-down DC/DC power modules with integrated inductors with output currents ranging from 1A up to 4A. The devices use a fixed-frequency peak current-mode control topology and support high power density requirements for telecommunication, test and measurement, and medical applications. Low resistance switches allow up to 4A continuous output current at high ambient temperatures. The switching frequency is adjustable from 1.8MHz to 4MHz and can also be synchronized to an external clock. In PFM/PWM mode, the TPSM8281x maintains high efficiency over the whole load range. The devices provide 1% output voltage accuracy in PWM mode, which eases designing precise power supplies. The SS/TR pin can be used to limit inrush current through a precise start-up ramp, or for sequencing by tracking the output voltage to an external voltage applied to this pin.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPSM8281x 2.75V to 6V Input, 1A to 4A Step-Down Power Modules With Integrated Inductor and Frequency Synchronization in MicroSiP and MagPack Package datasheet (Rev. D) PDF | HTML 30/06/2026
Nota sobre la aplicación QFN and SON PCB Attachment (Rev. C) PDF | HTML 6/12/2023
Nota sobre la aplicación Intro to Multi-Function Pins and Their Applications in TI Step-Down Converters (Rev. A) PDF | HTML 17/11/2022
Nota sobre la aplicación Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23/05/2022
Nota sobre la aplicación Understanding SOA Curves to Operate at High Output Currents and Temperature PDF | HTML 5/05/2022
Nota sobre la aplicación Loop Gain Reconstruction of a Step-Down Converter from Output Impedance PDF | HTML 20/01/2022
Nota sobre la aplicación How to Measure Impedance of a Power Distribution Network of a DC-DC Converter PDF | HTML 20/01/2022
Guía del usuario Manufacturing and Rework Design Guide for MicroSiP™ Power Modules (Rev. A) PDF | HTML 16/06/2021
Application brief Achieving High Thermal Performance in Compact Buck Power Modules PDF | HTML 24/02/2021
Informe Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies 14/10/2019
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14/06/2019
Nota sobre la aplicación Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11/12/2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22/06/2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24/10/2017
Analog Design Journal Improving the thermal performance of a MicroSiP(TM) power module 24/07/2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24/10/2016
Analog Design Journal Adjusting the soft-start time of an integrated power module 26/04/2016
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29/01/2015
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26/04/2012
Nota sobre la aplicación Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19/09/2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17/06/2011

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.

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Placa de evaluación

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Modelo de simulación

TPSM82810 PSpice Unencrypted Transient Model (Rev. B)

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Herramienta de cálculo

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Pedidos y calidad

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