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)

TPS61240

ACTIVO

Convertidor elevador de 450 mA, frecuencia fija de 3.5 MHz y rango de entrada de 2.3 V a 5.5 V

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TPS61240

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 2.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 3500 Switching frequency (max) (kHz) 3500 Features Enable, Light Load Efficiency, Load Disconnect, Synchronous rectification Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 30 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 0.6
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 2.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 3500 Switching frequency (max) (kHz) 3500 Features Enable, Light Load Efficiency, Load Disconnect, Synchronous rectification Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 30 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 0.6
DSBGA (YFF) 6 1.4000000000000001 mm² 1 x 1.4000000000000001 WSON (DRV) 6 4 mm² 2 x 2
  • Efficiency > 90% at Nominal Operating Conditions
  • Total DC Output Voltage Accuracy 5.0 V±2%
  • Typical 30-µA Quiescent Current
  • Best in Class Line and Load Transient
  • Wide VIN Range From 2.3 V to 5.5 V
  • Output Current up to 450 mA
  • Automatic PFM/PWM Mode Transition
  • Low Ripple Power Save Mode for Improved
    Efficiency at Light Loads
  • Internal Softstart, 250-μs Typical Start-Up Time
  • 3.5-MHz Typical Operating Frequency
  • Load Disconnect During Shutdown
  • Current Overload and Thermal Shutdown
    Protection
  • Three Surface-Mount External Components
    Required (One MLCC Inductor, Two Ceramic
    Capacitors)
  • Total Solution Size <13 mm2
  • Available in a 6-Pin DSBGA and 2-mm × 2-mm
    WSON Package
  • Efficiency > 90% at Nominal Operating Conditions
  • Total DC Output Voltage Accuracy 5.0 V±2%
  • Typical 30-µA Quiescent Current
  • Best in Class Line and Load Transient
  • Wide VIN Range From 2.3 V to 5.5 V
  • Output Current up to 450 mA
  • Automatic PFM/PWM Mode Transition
  • Low Ripple Power Save Mode for Improved
    Efficiency at Light Loads
  • Internal Softstart, 250-μs Typical Start-Up Time
  • 3.5-MHz Typical Operating Frequency
  • Load Disconnect During Shutdown
  • Current Overload and Thermal Shutdown
    Protection
  • Three Surface-Mount External Components
    Required (One MLCC Inductor, Two Ceramic
    Capacitors)
  • Total Solution Size <13 mm2
  • Available in a 6-Pin DSBGA and 2-mm × 2-mm
    WSON Package

The TPS6124x device is a highly efficient synchronous step-up DC-DC converter optimized for products powered by either a three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-Polymer battery. The TPS6124x supports output currents up to 450 mA. The TPS61240 has an input valley current limit of 500 mA, and the TPS61241 has an input valley current of 600 mA.

With an input voltage range of 2.3 V to 5.5 V, the device supports batteries with extended voltage range and are ideal to power portable applications like mobile phones and other portable equipment. The TPS6124x boost converter is based on a quasi-constant on-time valley current mode control scheme.

The TPS6124x presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the TPS6124x is shut down.

During light loads the device will automatically pulse skip allowing maximum efficiency at lowest quiescent currents. In the shutdown mode, the current consumption is reduced to less than 1 µA.

TPS6124x allows the use of small inductors and capacitors to achieve a small solution size. During shutdown, the load is completely disconnected from the battery. The TPS6124x is available in a 6-pin DSBGA and 2-mm × 2-mm WSON package.

The TPS6124x device is a highly efficient synchronous step-up DC-DC converter optimized for products powered by either a three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-Polymer battery. The TPS6124x supports output currents up to 450 mA. The TPS61240 has an input valley current limit of 500 mA, and the TPS61241 has an input valley current of 600 mA.

With an input voltage range of 2.3 V to 5.5 V, the device supports batteries with extended voltage range and are ideal to power portable applications like mobile phones and other portable equipment. The TPS6124x boost converter is based on a quasi-constant on-time valley current mode control scheme.

The TPS6124x presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the TPS6124x is shut down.

During light loads the device will automatically pulse skip allowing maximum efficiency at lowest quiescent currents. In the shutdown mode, the current consumption is reduced to less than 1 µA.

TPS6124x allows the use of small inductors and capacitors to achieve a small solution size. During shutdown, the load is completely disconnected from the battery. The TPS6124x is available in a 6-pin DSBGA and 2-mm × 2-mm WSON package.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS6124x 3.5-MHz High Efficiency Step-Up Converter datasheet (Rev. D) PDF | HTML 15 dic 2015
Technical article How to design wearables that are smaller and go longer between charges PDF | HTML 05 ene 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 dic 2023
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 28 oct 2022
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 dic 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 jun 2017
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 03 may 2016
Test report Power Management Reference Design for a Wearable Device with Wireless Charging (Rev. A) PDF | HTML 14 abr 2016
Application note Design of UVLO for LM27313 (Rev. B) 08 abr 2014
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 jun 2011
EVM User's guide TPS61240EVM-360 User's Guide 29 may 2009

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

DP159RGZEVM — Módulo de evaluación DP159RGZEVM

The DP159RSBEVM is a PCB created to help customers evaluate the DP159 device for video applications.  The EVM has a DP connection for the source and a HDMI connection for the sink.  J2 is a standard DP connector (Molex 47272-0001).  P2 is a standard HDMI connector (Molex (...)

Guía del usuario: PDF
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Placa de evaluación

DP159RSBEVM — Módulo de evaluación DP159RSBEVM

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Guía del usuario: PDF
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Placa de evaluación

TPS61240EVM-360 — Módulo de evaluación TPS61240EVM-360

The TPS61240EVM-260 facilitates evaluation of the TPS61240 IC. There are three circuits on the EVM:

CKT1 will demonstrate the TPS61240DRV (SON) package.

CKT2 will demonstrate the TPS61240YFF (WCSP) package in a small layout.

CKT3 will demonstrate the TPS61240YFF operating in a diode OR configuration.

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

Unecrypted TPS61240 PSpice Transient Model Package (Rev. A)

SLVMAT6A.ZIP (79 KB) - PSpice Model
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
DSBGA (YFF) 6 Ultra Librarian
WSON (DRV) 6 Ultra Librarian
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  • 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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