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TPS63024

ACTIVE

High Efficiency 1.5A Single Inductor Buck-Boost Converter

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Data sheet

TPS63024

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 2.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2500 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Load Disconnect, Output discharge, Synchronous Rectification, UVLO Fixed Vout (min) (V) 2.5 Vout (max) (V) 3.6 Iq (typ) (µA) 35 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 3
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 2.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 2500 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Load Disconnect, Output discharge, Synchronous Rectification, UVLO Fixed Vout (min) (V) 2.5 Vout (max) (V) 3.6 Iq (typ) (µA) 35 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 3
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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Technical documentation

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* Data sheet TPS63024x High Current, High Efficiency Single Inductor Buck-Boost Converter datasheet (Rev. A) PDF | HTML 01 Dec 2014
Application note 4스위치 벅 부스트 전력 단계의 기본 계산 (Rev. C) PDF | HTML 02 Oct 2023
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 Dec 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 Dec 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 & development

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Evaluation board

TPS630240EVM-553 — TPS63024 Buck Boost Regulator Evaluation Module

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 (...)

User guide: PDF
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Simulation model

TPS63024 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMAJ2A.ZIP (103 KB) - PSpice Model
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Calculation tool

SLVC808 — Battery Lifetime Estimator

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
TPS63000 — High efficiency Buck-Boost Converter with 1.8A Current Switches in 3x3 QFN TPS63000-Q1 — Automotive 1.8V to 5.5V Input Range, 1.8A High Efficiency Buck/Boost Converter TPS63001 — 96% Buck-Boost Converter with 1.7A Current Switches, 3.3V fixed Output voltage in 3x3 QFN TPS63002 — 96% Buck-Boost Converter with 1.7A Current Switches, 5V fixed Output voltage in 3x3 QFN TPS63010 — High Efficient Single Inductor Buck-Boost Converter with 2-A Switches TPS63011 — High Efficient Single Inductor Buck-Boost Converter with 2-A Switches TPS63012 — High Efficient Single Inductor Buck-Boost Converter with 2-A Switches TPS63020 — High Efficiency Single Inductor Buck-Boost Converter with 4A Switch TPS63020-Q1 — High Efficiency Automotive Single Inductor Buck-Boost Converter with 4A Switch TPS63021 — High Efficiency Single Inductor Buck-Boost Converter with 4A Switch TPS63024 — High Efficiency 1.5A Single Inductor Buck-Boost Converter TPS630241 — High Efficiency 1.5A Single Inductor Buck-Boost Converter TPS630242 — High Efficiency 1.5A Single Inductor Buck-Boost Converter TPS630250 — 4-A switch single-inductor buck-boost converter in 3.7 mm² DSBGA package TPS630251 — 4A switch Single-Inductor Buck-Boost Converter in WCSP TPS630252 — 4A switch Single-Inductor Buck-Boost Converter in WCSP TPS63027 — High Efficiency 4.5A Switch Single-Inductor Buck-Boost Converter TPS63030 — High Efficient Single Inductor Buck-Boost Converter with 1-A Switches TPS63031 — High Efficient Single Inductor Buck-Boost Converter with 1-A Switches TPS63036 — High Efficient Single Inductor Buck-Boost Converter with 1-A Switches TPS63050 — TPS6305x Single Inductor Buck-Boost with 1-A Switches and Adjustable Soft Start TPS63051 — Tiny Single Inductor Buck Boost Converter TPS63060 — 2.5V to 12V input voltage, 93% Efficient, 2.25A Switch Current Limit, Buck-Boost Converter TPS63060-EP — HIGH INPUT VOLTAGE BUCK-BOOST CONVERTER WITH 2-A SWITCH CURRENT TPS63061 — 2.5V to 12V input voltage, 93% Efficient, 2.25A Switch Current Limit, Buck-Boost Converter TPS63070 — Wide input voltage (2V-16V) buck-boost converter TPS63700 — Adjustable, -15V Output Inverting DC/DC Converter in 3x3 QFN TPS63710 — Low Noise, 1A Synchronous Inverting Buck Converter in 3x3 WSON Package TPS63802 — 2-A, high-efficient, 11-µA quiescent current buck-boost converter in QFN/DFN package TPS63805 — 2-A, high-efficient, 11-µA quiescent current buck-boost converter with tiny solution size TPS63806 — 2.5-A high-efficient buck-boost converter with optimized load step response in tiny WCSP TPS63807 — 2A,11-uA quiescent current buck-boost converter TPS63810 — 2.5-A high-efficient buck-boost converter with I²C interface for dynamic voltage scaling TPS63811 — 2.5-A high-efficient buck-boost converter with I²C interface for dynamic voltage scaling TPS63900 — 1.8-V to 5.5-V, 75-nA IQ buck-boost converter with input current limit and Dynamic Voltage Scaling
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