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Buck-boost, inverting & split-rail converters (integrated switch)
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TPS631010

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3-A peak current high-efficiency ultra-small solution size buck-boost converter

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Data sheet

TPS631010

ACTIVE
Data sheet Order now

Product details

Topology Buck-Boost Vin (min) (V) 1.6 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Duty cycle (max) (%) 90 Features Enable, Light Load Efficiency, Load Disconnect, Synchronous Rectification, UVLO Fixed Switch current limit (typ) (A) 3 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 2200 Iq (typ) (mA) 0.008 Iout (max) (A) 2 Rating Catalog TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Type Converter
Topology Buck-Boost Vin (min) (V) 1.6 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Duty cycle (max) (%) 90 Features Enable, Light Load Efficiency, Load Disconnect, Synchronous Rectification, UVLO Fixed Switch current limit (typ) (A) 3 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 2200 Iq (typ) (mA) 0.008 Iout (max) (A) 2 Rating Catalog TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Type Converter
DSBGA (YBG) 8 1.752689 mm² 1.783 x 0.983
  • 1.6-V to 5.5-V input voltage range
    • Device input voltage > 1.65 V for start-up
  • 1.2-V to 5.5-V output voltage range(adjustable)
  • High output current capability, 3-A peak switch current
    • 2-A output current for VIN ≥ 3 V, VOUT = 3.3 V
    • 1.5-A output current for VIN ≥ 2.7 V, VOUT = 3.3 V
  • Active output discharge (TPS631011 only)
  • High efficiency over the entire load range
    • 8-µA typical quiescent current
    • Automatic power save mode and forced PWM mode configurable
  • Peak current buck-boost mode architecture
    • Seamless mode transition
    • Forward and reverse current operation
    • Start-up into pre-biased outputs
    • Fixed-frequency operation with 2-MHz switching
  • Safety and robust operation features
    • Overcurrent protection and short-circuit protection
    • Integrated soft start with active ramp adoption
    • Overtemperature protection and overvoltage protection
    • True shutdown function with load disconnect
    • Forward and backward current limit
  • Small solution size
    • Small 1-µH inductor
    • 1.803-mm × 0.905-mm in WCSP
  • Create a custom design using the TPS631010 and TPS631011 with the WEBENCH Power Designer
  • 1.6-V to 5.5-V input voltage range
    • Device input voltage > 1.65 V for start-up
  • 1.2-V to 5.5-V output voltage range(adjustable)
  • High output current capability, 3-A peak switch current
    • 2-A output current for VIN ≥ 3 V, VOUT = 3.3 V
    • 1.5-A output current for VIN ≥ 2.7 V, VOUT = 3.3 V
  • Active output discharge (TPS631011 only)
  • High efficiency over the entire load range
    • 8-µA typical quiescent current
    • Automatic power save mode and forced PWM mode configurable
  • Peak current buck-boost mode architecture
    • Seamless mode transition
    • Forward and reverse current operation
    • Start-up into pre-biased outputs
    • Fixed-frequency operation with 2-MHz switching
  • Safety and robust operation features
    • Overcurrent protection and short-circuit protection
    • Integrated soft start with active ramp adoption
    • Overtemperature protection and overvoltage protection
    • True shutdown function with load disconnect
    • Forward and backward current limit
  • Small solution size
    • Small 1-µH inductor
    • 1.803-mm × 0.905-mm in WCSP
  • Create a custom design using the TPS631010 and TPS631011 with the WEBENCH Power Designer

The TPS631010 and TPS631011 are constant frequency peak current mode control buck-boost converters in tiny wafer chip scale package. They have a 3-A peak current limit (typical) and 1.6-V to 5.5-V input voltage range, and provide a power supply solution for system pre-regulators and voltage stabilizers.

Depending on the input voltage, the TPS631010 and TPS631011 automatically operate in boost, buck, or in 3-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at a defined duty cycle and avoid unwanted toggling within the modes to reduce output voltage ripple. 8-µA quiescent current and power save mode power enable the highest efficiency for light to no-load conditions.

The devices offer a very small solution size in WCSP.

The TPS631010 and TPS631011 are constant frequency peak current mode control buck-boost converters in tiny wafer chip scale package. They have a 3-A peak current limit (typical) and 1.6-V to 5.5-V input voltage range, and provide a power supply solution for system pre-regulators and voltage stabilizers.

Depending on the input voltage, the TPS631010 and TPS631011 automatically operate in boost, buck, or in 3-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at a defined duty cycle and avoid unwanted toggling within the modes to reduce output voltage ripple. 8-µA quiescent current and power save mode power enable the highest efficiency for light to no-load conditions.

The devices offer a very small solution size in WCSP.
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Technical documentation

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* Data sheet TPS631010 and TPS631011 1.5-A Output Current, Buck-Boost Converters in Small Wafer Chip Scale Package datasheet PDF | HTML 14 Dec 2021
Certificate TPS631010EVM-109 EU RoHS Declaration of Conformity (DoC) 15 Dec 2022
EVM User's guide TPS631010EVM User's Guide PDF | HTML 14 Oct 2022

Design & development

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Evaluation board

TPS631010EVM — TPS631010 evaluation module for 1.5-A high-efficiency small solution size buck-boost converter

The TPS631010 is a high-efficiency synchronous buck-boost converter.

The TPS631010EVM-109 is designed to help the user easily evaluate and test the operation and functionality of the TPS631010 buck-boost converter.

User guide: PDF | HTML
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