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TPS62510

ACTIVE

Adjustable, 96% Efficiency, 1.5A Buck Converter for low input voltages

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Data sheet

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TPS628502 ACTIVE 2.7-V to 6-V, 2-A, adjustable-frequency, step-down converter in SOT583 package Smaller size with output voltage accuracy ±1%.

TPS62510

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck Iout (max) (A) 1.5 Vin (max) (V) 3.8 Vin (min) (V) 1.8 Vout (max) (V) 3.8 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light load efficiency, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000022 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 1.5 Vin (max) (V) 3.8 Vin (min) (V) 1.8 Vout (max) (V) 3.8 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light load efficiency, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.000022 Duty cycle (max) (%) 100
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • 1.8-V to 3.8-V Input Voltage Range
  • Up to 96% High Efficiency Synchronous Step-
    Down Converter
  • 1.5-MHz Fixed Frequency PWM Operation
  • 1% Output Voltage Accuracy in Fixed Frequency
    PWM Mode
  • Power Save Mode Operation for High Efficiency
    Over the Entire Load Current Range
  • 22-µA Quiescent Current
  • Adjustable Output Voltage
  • Output Voltage Tracking (OVT) for Reliable
    Sequencing
  • Available in a 3-mm × 3-mm 10-Pin VSON
    Package
  • 1.8-V to 3.8-V Input Voltage Range
  • Up to 96% High Efficiency Synchronous Step-
    Down Converter
  • 1.5-MHz Fixed Frequency PWM Operation
  • 1% Output Voltage Accuracy in Fixed Frequency
    PWM Mode
  • Power Save Mode Operation for High Efficiency
    Over the Entire Load Current Range
  • 22-µA Quiescent Current
  • Adjustable Output Voltage
  • Output Voltage Tracking (OVT) for Reliable
    Sequencing
  • Available in a 3-mm × 3-mm 10-Pin VSON
    Package

The TPS62510 is a high-efficiency step-down converter targeted for operation from a 1.8-V to 3.8-V input voltage rail, ideally suited for 2-cell alkaline or NiMHd applications. The TPS62510 is also ideal as a point-of-load regulator running from a fixed 3.3-V, 2.5-V, or 1.8-V input voltage rail.

The converter operates in fixed frequency pulse width modulation (PWM) mode switching at 1.5 MHz with the MODE pin high. Pulling the MODE pin low enables the high efficiency mode. In high efficiency mode, the device operates with a 1.5-MHz fixed frequency PWM at nominal load current, and automatically enters the power save mode at light load currents. For maximum system reliability, the converter features output voltage tracking using the OVT pin to allow sequencing, and to allow for the output voltage to track an external voltage applied to this pin.

The TPS62510 is available in a 3-mm × 3-mm 10-pin VSON package.

The TPS62510 is a high-efficiency step-down converter targeted for operation from a 1.8-V to 3.8-V input voltage rail, ideally suited for 2-cell alkaline or NiMHd applications. The TPS62510 is also ideal as a point-of-load regulator running from a fixed 3.3-V, 2.5-V, or 1.8-V input voltage rail.

The converter operates in fixed frequency pulse width modulation (PWM) mode switching at 1.5 MHz with the MODE pin high. Pulling the MODE pin low enables the high efficiency mode. In high efficiency mode, the device operates with a 1.5-MHz fixed frequency PWM at nominal load current, and automatically enters the power save mode at light load currents. For maximum system reliability, the converter features output voltage tracking using the OVT pin to allow sequencing, and to allow for the output voltage to track an external voltage applied to this pin.

The TPS62510 is available in a 3-mm × 3-mm 10-pin VSON package.
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Technical documentation

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* Data sheet TPS62510 1.5-A, Low VIN High Efficiency Step-Down Converter datasheet (Rev. B) PDF | HTML Dec 18, 2015
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Analog design Journal Methods of output-voltage adjustment for DC/DC converters Jun 14, 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec 11, 2018
Selection guide Power Management Guide 2018 (Rev. R) Jun 25, 2018
Analog design Journal Understanding 100% mode in low-power DC/DC converters Jun 22, 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) Nov 29, 2017
Analog design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold Oct 24, 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) Jun 15, 2017
Analog design Journal Testing tips for applying external power to supply outputs without an input voltage Oct 24, 2016
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) PDF | HTML Aug 17, 2015
Analog design Journal Five steps to a great PCB layout for a step-down converter Jan 29, 2015
Analog design Journal Design considerations for a resistive feedback divider in a DC/DC converter Apr 26, 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan 13, 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep 19, 2011
Analog design Journal IQ: What it is, what it isn’t, and how to use it Jun 17, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS62510EVM-168 — TPS62510 Evaluation Module

The TPS62510EVM-168 is an evaluation tools for the TPS62510 97% efficiency, 1.5 A Buck converter optimized for 2-cell Alkaline or NiMHd applications. The TPS62510 can supply voltages from 0.6 V to 3.8 V and offers both a fixed frequency PWM mode or high efficiency PWM mode. The (...)

User guide: PDF
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Simulation model

TPS62510 Unencrypted PSpice Transient Model Package (Rev. A)

SLVM559A.ZIP (53 KB) - PSpice model
Supported products & hardware
Calculation tool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
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Package Pins CAD symbols, footprints & 3D models
VSON (DRC) 10 Ultra Librarian
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