Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)

TPS5420

ACTIVO

Convertidor reductor con entrada de 5.5 V a 36 V, 2 A y 500 kHz

Se encuentra disponible una versión más nueva de este producto

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 5.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 500 Features Enable, Over Current Protection Control mode Voltage mode Vout (min) (V) 1.23 Vout (max) (V) 31 Iq (typ) (µA) 3000 Duty cycle (max) (%) 87
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 5.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 500 Features Enable, Over Current Protection Control mode Voltage mode Vout (min) (V) 1.23 Vout (max) (V) 31 Iq (typ) (µA) 3000 Duty cycle (max) (%) 87
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Wide Input Voltage Range: 5.5V to 36V
  • Up to 2A Continuous (3A Peak) Output Current
  • High Efficiency up to 95% Enabled by 110mΩ Integrated MOSFET Switch
  • Wide Output Voltage Range: Adjustable Down to 1.22V with 1.5% Initial Accuracy
  • Internal Compensation Minimizes External Parts Count
  • Fixed 500kHz Switching Frequency for Small Filter Size
  • Improved Line Regulation and Transient Response by Input Voltage Feed Forward
  • System Protected by Over Current Limiting, Over Voltage Protection and Thermal Shutdown
  • –40°C to 125°C Operating Junction Temperature Range
  • Available in Small 8-Pin SOIC Package
  • Wide Input Voltage Range: 5.5V to 36V
  • Up to 2A Continuous (3A Peak) Output Current
  • High Efficiency up to 95% Enabled by 110mΩ Integrated MOSFET Switch
  • Wide Output Voltage Range: Adjustable Down to 1.22V with 1.5% Initial Accuracy
  • Internal Compensation Minimizes External Parts Count
  • Fixed 500kHz Switching Frequency for Small Filter Size
  • Improved Line Regulation and Transient Response by Input Voltage Feed Forward
  • System Protected by Over Current Limiting, Over Voltage Protection and Thermal Shutdown
  • –40°C to 125°C Operating Junction Temperature Range
  • Available in Small 8-Pin SOIC Package

The TPS5420 is a high-output-current PWM converter that integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.

The TPS5420 device is available in an easy to use 8-pin SOIC package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

The TPS5420 is a high-output-current PWM converter that integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.

The TPS5420 device is available in an easy to use 8-pin SOIC package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS5420 2A, Wide Input Range, Step-Down Converter datasheet (Rev. F) PDF | HTML 19 ene 2024
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Analog Design Journal Power-supply design for high-speed ADCs (Rev. A) 18 may 2015
Application note Output Ripple Voltage for Buck Switching Regulator (Rev. A) 13 oct 2014
More literature Журнал по применению аналоговых компонентов 1 кв. 2010 23 sep 2010
Application note Using the TPS5430 As An Inverting Buck Boost Converter (Rev. A) 15 ago 2007
Application note Using TPS5410/20/30/31/50 w/Aluminum/Ceramic Output Capacitors (Rev. C) 21 mar 2007
EVM User's guide TPS5420EVM-175 User's Guide 05 abr 2006

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

TPS5420EVM-175 — Módulo de evaluación de convertidor reductor de 2 A, entrada de 10 V a 36 V

The TPS5420EVM-175 evaluation module allows the designer to evaluate the TPS5420 SWIFT DC/DC converter optimized for small size. The input voltage range of this module is 10 V to 36 V and the output voltage is pre-set to 5 V. The output voltage can be easily adjusted by changing a (...)

Guía del usuario: PDF
Modelo de simulación

TPS5420 PSpice Transient Model

SLVMAC0.ZIP (140 KB) - PSpice Model
Modelo de simulación

TPS5420 TINA-TI Startup Reference Design

SLVMAM1.TSC (643 KB) - TINA-TI Reference Design
Modelo de simulación

TPS5420 TINA-TI Steady State Reference Design

SLVMAM2.TSC (626 KB) - TINA-TI Reference Design
Modelo de simulación

TPS5420 TINA-TI Transient Spice Model

SLVMAM0.ZIP (52 KB) - TINA-TI Spice Model
Modelo de simulación

TPS5420 Unencrypted PSpice Transient Model

SLVMCU9.ZIP (6 KB) - PSpice Model
Diseños de referencia

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Targeted for PROFINET secondary communications, this reference design helps you implement PROFINET communications standards in a broad range of industrial automation equipment. It enables low-footprint designs in applications such as industrial automation, factory automation or (...)
Guía del usuario: PDF
Esquema: PDF
Diseños de referencia

TIDEP0003 — Plataforma de desarrollo de comunicaciones Ethernet/IP

Targeted for Ethernet/IP secondary communications, this development platform allows you to implement Ethernet/IP communication standards in a broad range of industrial automation equipment. It enables low footprint designs in applications such as industrial automation, factory automation or (...)
Esquema: PDF
Diseños de referencia

TIDEP0002 — Plataforma de desarrollo de comunicaciones PROFIBUS

Targeted for PROFIBUS slave communications, this development platform allows designers to implement PROFIBUS communications standards in a broad range of industrial automation equipment. It enables low foot print designs in applications such as industrial automation, factory automation or (...)
Esquema: PDF
Diseños de referencia

TIDEP0054 — Diseño de referencia de Ethernet del protocolo de redundancia paralela (PRP) para la automatización

This is a reference design for high-reliability, low-latency network communications for substation automation equipment in smart grid transmission and distribution networks. It supports the parallel redundancy protocol (PRP) specification in the IEC 62439 standard using the PRU-ICSS. This reference (...)
Design guide: PDF
Esquema: PDF
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TIDEP0043 — Diseño de referencia de pila maestra Acontis EtherCAT

The acontis EC-Master EtherCAT Master stack is a highly portable software stack that can be used on various embedded platforms. The EC-Master supports the high performance TI Sitara MPUs,  it provides a sophisticated EtherCAT Master solution which customers can use to implement EtherCAT (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOIC (D) 8 Ultra Librarian

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

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