Inicio Gestión de la energía DC/DC power modules Módulos de alimentación (inductor integrado)
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Gestión de la energía
DC/DC power modules
Módulos de alimentación (inductor integrado)

LMZ31707

ACTIVO

Módulo de alimentación reductor de 2,95 V a 17 V, 7 A, con corriente compartida en paquete QFN de 10

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Funcionalidad similar a la del dispositivo comparado
TPSM843620 ACTIVO 4-V to 18-V input, advanced current mode, 6-A synchronous SWIFT™ step-down power module Higher efficiency, lower current (6A) module in a smaller solution size
TPSM843820 ACTIVO Módulo de alimentación reductor SWIFT™ síncrono de 8 A con entrada de 4 V a 18 V, modo de corriente Higher efficiency, higher current (8A) module in a smaller solution size
TPSM84824 ACTIVO Módulo de alimentación de 8 A, entrada de 4.5 V a 17 V, salida de 0.6 V-10 V, en superficie compacta Smaller package size module that features TurboTrans™ technology and higher current rating.

LMZ31707

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 7 Vin (min) (V) 2.95 Vin (max) (V) 17 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1200 Features Current Sharing, EMI Tested, Frequency synchronization, Light Load Efficiency, Power good, Remote Sense, Tracking Control mode current mode Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 7 Vin (min) (V) 2.95 Vin (max) (V) 17 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1200 Features Current Sharing, EMI Tested, Frequency synchronization, Light Load Efficiency, Power good, Remote Sense, Tracking Control mode current mode Duty cycle (max) (%) 100
B3QFN (RVQ) 42 100 mm² 10 x 10
  • Complete integrated power solution allows
    small footprint, low-profile design
  • 10-mm × 10-mm × 4.3-mm package
    • Pin compatible with LMZ31710 and LMZ31704
  • Efficiencies up to 95%
  • Eco-mode™ / light load efficiency (LLE)
  • Wide-output voltage adjust
    0.6 V to 5.5 V, with 1% reference accuracy
  • Supports parallel operation for higher current
  • Optional split power rail allows
    input voltage down to 2.95 V
  • Adjustable switching frequency
    (200 kHz to 1.2 MHz)
  • Synchronizes to an external clock
  • Provides 180° out-of-phase clock signal
  • Adjustable slow start
  • Output voltage sequencing / tracking
  • Power good output
  • Programmable undervoltage lockout (UVLO)
  • Overcurrent and overtemperature protection
  • Pre-Bias output start-up
  • Operating temperature range: –40°C to +85°C
  • Enhanced thermal performance: 13.3°C/W
  • Meets EN55022 Class B emissions
    • Integrated shielded inductor
  • Create a custom design using the LMZ31707 with the WEBENCH® Power Designer
  • Complete integrated power solution allows
    small footprint, low-profile design
  • 10-mm × 10-mm × 4.3-mm package
    • Pin compatible with LMZ31710 and LMZ31704
  • Efficiencies up to 95%
  • Eco-mode™ / light load efficiency (LLE)
  • Wide-output voltage adjust
    0.6 V to 5.5 V, with 1% reference accuracy
  • Supports parallel operation for higher current
  • Optional split power rail allows
    input voltage down to 2.95 V
  • Adjustable switching frequency
    (200 kHz to 1.2 MHz)
  • Synchronizes to an external clock
  • Provides 180° out-of-phase clock signal
  • Adjustable slow start
  • Output voltage sequencing / tracking
  • Power good output
  • Programmable undervoltage lockout (UVLO)
  • Overcurrent and overtemperature protection
  • Pre-Bias output start-up
  • Operating temperature range: –40°C to +85°C
  • Enhanced thermal performance: 13.3°C/W
  • Meets EN55022 Class B emissions
    • Integrated shielded inductor
  • Create a custom design using the LMZ31707 with the WEBENCH® Power Designer

The LMZ31707 SIMPLE SWITCHER® power module is an easy-to-use integrated power solution that combines a 7-A DC-DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as three external components and eliminates the loop compensation and magnetics part selection process.

The 10-mm × 10-mm × 4.3-mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31707 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

The LMZ31707 SIMPLE SWITCHER® power module is an easy-to-use integrated power solution that combines a 7-A DC-DC converter with power MOSFETs, a shielded inductor, and passives into a low profile, QFN package. This total power solution allows as few as three external components and eliminates the loop compensation and magnetics part selection process.

The 10-mm × 10-mm × 4.3-mm QFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design. Achieves greater than 95% efficiency and excellent power dissipation capability with a thermal impedance of 13.3°C/W. The LMZ31707 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering a wide range of ICs and systems. Advanced packaging technology affords a robust and reliable power solution compatible with standard QFN mounting and testing techniques.
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Pin por pin con la misma funcionalidad que el dispositivo comparado
LMZ31710 ACTIVO Módulo de alimentación reductor de 2,95 V a 17 V, 10 A, con corriente compartida en paquete QFN de 1 Higher current equivalent.
TPS84A20 ACTIVO Reductor síncrono de 10 A y 2.95 V a 17 V, solución de potencia integrada Higher current equivalent.
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Documentación técnica

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Tipo Título Fecha
* Data sheet LMZ31707 7-A Power Module with 2.95-V to 17-V Input and Current Sharing in QFN Package datasheet (Rev. E) PDF | HTML 25 feb 2020
Application note Soldering Considerations for Power Modules (Rev. C) PDF | HTML 14 mar 2024
User guide LMZ31704 2-Phase Power Module Evaluation Module User's Guide (Rev. A) PDF | HTML 31 ene 2022
User guide LMZ3170x Power Module Evaluation Module User's Guide (Rev. B) PDF | HTML 31 ene 2022
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) 14 oct 2021
Application note Soldering Requirements for BQFN Packages (Rev. C) 05 mar 2020
Application note Practical Thermal Design With DC/DC Power Modules (Rev. A) 20 nov 2019
White paper Simplify low EMI design with power modules 20 nov 2017
Application note Working With QFN Power Modules (Rev. A) 08 jun 2017
Application note Power Module MSL Ratings 20 ene 2017
Application note Using LMZ31710 for Higher Output Voltages 09 nov 2015
Application note Adjusting LMZ3 Output Voltage with LM10010/1 11 feb 2014
Application note LMZ31710, LMZ31707, LMZ31704 Parallel 02 jul 2013
Application note Powering LMZ3 SIMPLE SWITCHER Power Modules From 3.3 V 02 jul 2013

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

LMZ31707EVM-002 — Placa de evaluación del módulo de alimentación reductor LMZ31707 de 2,95 V a 17 V, 7 A

The Texas Instruments LMZ31707EVM-002 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMZ31707 7A Power Module. The EVM operates with an input voltage range of 2.95V to 17V. The output voltage can be selected from four preset values using a jumper (0.6V, 0.9V, (...)
Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

LMZ31707 PSpice Average Model

SLVM962.ZIP (29 KB) - PSpice Model
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Modelo de simulación

LMZ31707 PSpice Transient Model

SLVMA16.ZIP (136 KB) - PSpice Model
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Modelo de simulación

LMZ31707 Unencrypted PSpice Transient Model

SLVMAQ8.ZIP (7 KB) - PSpice Model
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
B3QFN (RVQ) 42 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

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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