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TPS63024

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Hocheffizienter Abwärts-/Aufwärtswandler mit 1,5 A Einzel-Induktor

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Datenblatt

TPS63024

AKTIV
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Produktdetails

Rating Catalog Topology Buck-Boost Vin (max) (V) 5.5 Vin (min) (V) 2.3 Vout (max) (V) 3.6 Vout (min) (V) 2.5 Switch current limit (typ) (A) 3 Features Enable, Light-load efficiency, Load Disconnect, Output discharge, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000035 Duty cycle (max) (%) 100
Rating Catalog Topology Buck-Boost Vin (max) (V) 5.5 Vin (min) (V) 2.3 Vout (max) (V) 3.6 Vout (min) (V) 2.5 Switch current limit (typ) (A) 3 Features Enable, Light-load efficiency, Load Disconnect, Output discharge, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000035 Duty cycle (max) (%) 100
DSBGA (YFF) 20 3.96 mm² 1.8 x 2.2
  • Real Buck or Boost operation with automatic and seamless transition between Buck and Boost operation
  • 2.3V to 5.5V input voltage range
  • 1.5A Continuous Output Current : VIN≥ 2.5V, VOUT= 3.3V
  • Adjustable and fixed output voltage
  • Efficiency up to 95% in Buck or Boost mode and up to 97% when VIN=VOUT
  • 2.5MHz typical switching frequency
  • 35µA operating quiescent current
  • Integrated Soft –Start
  • Power Save Mode
  • True shutdown function
  • Output capacitor discharge function
  • Over-Temperature Protection and Over current Protection
  • Wide capacitance selection
  • Small 1.766 mm x 2.086mm, 20-pin WCSP
  • Real Buck or Boost operation with automatic and seamless transition between Buck and Boost operation
  • 2.3V to 5.5V input voltage range
  • 1.5A Continuous Output Current : VIN≥ 2.5V, VOUT= 3.3V
  • Adjustable and fixed output voltage
  • Efficiency up to 95% in Buck or Boost mode and up to 97% when VIN=VOUT
  • 2.5MHz typical switching frequency
  • 35µA operating quiescent current
  • Integrated Soft –Start
  • Power Save Mode
  • True shutdown function
  • Output capacitor discharge function
  • Over-Temperature Protection and Over current Protection
  • Wide capacitance selection
  • Small 1.766 mm x 2.086mm, 20-pin WCSP

The TPS63024 are high efficiency, low quiescent current buck-boost converters suitable for application where the input voltage is higher or lower than the output. Output currents can go as high as 1.5A in boost mode and as high as 3A in buck mode. The maximum average current in the switches is limited to a typical value of 3A. The TPS63024 regulates the output voltage over the complete input voltage range by automatically switching between buck or boost mode depending on the input voltage ensuring a seamless transition between modes. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain highest efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over the complete load current range. There is a PFM/PWM pin that allows the user to choose between automatic PFM/PWM mode operation and forced PWM operation. During PWM mode a fixed-frequency of typically 2.5MHz is used. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 20-pin WCSP package measuring 1.766 mm x 2.086mm.

The TPS63024 are high efficiency, low quiescent current buck-boost converters suitable for application where the input voltage is higher or lower than the output. Output currents can go as high as 1.5A in boost mode and as high as 3A in buck mode. The maximum average current in the switches is limited to a typical value of 3A. The TPS63024 regulates the output voltage over the complete input voltage range by automatically switching between buck or boost mode depending on the input voltage ensuring a seamless transition between modes. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain highest efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over the complete load current range. There is a PFM/PWM pin that allows the user to choose between automatic PFM/PWM mode operation and forced PWM operation. During PWM mode a fixed-frequency of typically 2.5MHz is used. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 20-pin WCSP package measuring 1.766 mm x 2.086mm.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet TPS63024x High Current, High Efficiency Single Inductor Buck-Boost Converter datasheet (Rev. A) PDF | HTML 01 Dez 2014
Application note Different Methods to Drive LEDs Using TPS63XXX Buck-Boost Converters (Rev. D) 04 Aug 2021
Application note A Topical Index of TI Low-Power Buck-Boost Converter Application Notes (Rev. A) PDF | HTML 09 Jun 2021
Application note Layer Design for Reducing Radiated EMI of DC to DC Buck-Boost Converters (Rev. A) PDF | HTML 09 Jun 2021
Application note Improving Load Transient Response for Controlled Loads 12 Sep 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 2018
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 19 Sep 2018
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018
Application note Low-power TEC driver 18 Nov 2014
User guide TPS63024xEVM-553 User's Guide 11 Nov 2014
Application note Extending the Soft Start Time in the TPS63010 Buck-Boost Converter 05 Dez 2012
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Application note Dynamically Adjustable Output Using the TPS63000 15 Aug 2006

Design und Entwicklung

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Evaluierungsplatine

TPS630240EVM-553 — Evaluierungsmodul für Abwärts-/Aufwärtsregler, TPS63024

The TPS63024xEVM-553 enables test and evaluation of the Texas Instruments’ TPS63024 device family, a 2.5MHz (typ.) fully integrated buck-boost converter.

The TPS63024x devices are high efficiency, low quiescent current devices in buck-boost topology. They are suitable for applications where the (...)

Benutzerhandbuch: PDF
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Simulationsmodell

TPS63024 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMAJ2A.ZIP (103 KB) - PSpice Model
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