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TPS63070

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Wide input voltage (2V-16V) buck-boost converter

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Data sheet

TPS63070

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 Vin (max) (V) 16 Switching frequency (min) (kHz) 2100 Switching frequency (max) (kHz) 2800 Features Dynamic Voltage Scaling, Enable, Frequency synchronization, Light Load Efficiency, Load Disconnect, Output discharge, Power good, Synchronous Rectification, USB C/PD compatible, UVLO Fixed, Voltage Margining Vout (min) (V) 2.5, 5 Vout (max) (V) 5, 9 Iq (typ) (µA) 50 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Vin (min) (V) 2 Vin (max) (V) 16 Switching frequency (min) (kHz) 2100 Switching frequency (max) (kHz) 2800 Features Dynamic Voltage Scaling, Enable, Frequency synchronization, Light Load Efficiency, Load Disconnect, Output discharge, Power good, Synchronous Rectification, USB C/PD compatible, UVLO Fixed, Voltage Margining Vout (min) (V) 2.5, 5 Vout (max) (V) 5, 9 Iq (typ) (µA) 50 Duty cycle (max) (%) 100
VQFN-HR (RNM) 15 7.5 mm² 3 x 2.5
  • Input Voltage Range: 2.0 V to 16 V
  • Output Voltage Range: 2.5 V to 9 V
  • Up to 95% Efficiency
  • +/- 1% dc accuracy in PWM mode
  • +3% / -1% dc accuracy in PFM mode
  • 2 A Output Current in Buck Mode
  • 2 A Output Current in Boost Mode
    (VIN = 4 V; Vout = 5 V)
  • Precise ENABLE input allows
    • user defined undervoltage lockout
    • exact sequencing
  • Automatic Transition Between Step Down and Boost Mode
  • Typical Device Quiescent Current: 50 µA
  • Fixed and Adjustable Output Voltage Options
  • Output Discharge Option
  • Power Save Mode for Improved Efficiency at Low Output Power
  • Forced Fixed Frequency Operation at 2.4 MHz and Synchronization Option
  • Power Good Output
  • VSEL simply allows output voltage change
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Input / Output Overvoltage Protection
  • Available in QFN Package
  • Input Voltage Range: 2.0 V to 16 V
  • Output Voltage Range: 2.5 V to 9 V
  • Up to 95% Efficiency
  • +/- 1% dc accuracy in PWM mode
  • +3% / -1% dc accuracy in PFM mode
  • 2 A Output Current in Buck Mode
  • 2 A Output Current in Boost Mode
    (VIN = 4 V; Vout = 5 V)
  • Precise ENABLE input allows
    • user defined undervoltage lockout
    • exact sequencing
  • Automatic Transition Between Step Down and Boost Mode
  • Typical Device Quiescent Current: 50 µA
  • Fixed and Adjustable Output Voltage Options
  • Output Discharge Option
  • Power Save Mode for Improved Efficiency at Low Output Power
  • Forced Fixed Frequency Operation at 2.4 MHz and Synchronization Option
  • Power Good Output
  • VSEL simply allows output voltage change
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Input / Output Overvoltage Protection
  • Available in QFN Package

The TPS6307x is a high efficiency, low quiescent current buck-boost converter suitable for applications where the input voltage can be higher or lower than the output voltage. Output currents can go as high as 2 A in boost mode and in buck mode. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over a wide load current range. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is available in a 2.5 mm x 3 mm QFN package.

The TPS6307x is a high efficiency, low quiescent current buck-boost converter suitable for applications where the input voltage can be higher or lower than the output voltage. Output currents can go as high as 2 A in boost mode and in buck mode. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over a wide load current range. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is available in a 2.5 mm x 3 mm QFN package.

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Technical documentation

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Type Title Date
* Data sheet TPS63070 2-V to 16-V Buck-Boost Converter With 3.6-A Switch Current datasheet (Rev. B) PDF | HTML 02 Sep 2016
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
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
EVM User's guide TPS630702EVM User's Guide 12 Aug 2019
Application brief Buck-boost Converter Battery Life Time Estimation for Wireless Network Cameras (Rev. A) 28 May 2019
Application brief Precise Delayed Start-up with Precise Threshold Enable-pin 15 Apr 2019
Application brief How to use VSEL function of TPS63070 04 Feb 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018
EVM User's guide TPS63070EVM-693 User's Guide (Rev. A) 26 Mar 2018
Test report PMP9796 5V Low-Power TEC Driver Reference Design 06 Sep 2016
Application note High-Efficiency Backup Power Supply 11 Dec 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
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006
Application note Dynamically Adjustable Output Using the TPS63000 15 Aug 2006

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