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TPS62065

ACTIVE

3MHz, 2A Step-Down Converter in 2x2 SON Package

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Data sheet

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TPS62825 ACTIVE 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN Wider input voltage range, higher accuracy and lower IQ.

TPS62065

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.9 Vout (max) (V) 6 Vout (min) (V) 0.8 Features Enable, Forced PWM, Light load efficiency, Output discharge, Over Current Protection, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO fixed EMI features Spread Spectrum Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000018 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.9 Vout (max) (V) 6 Vout (min) (V) 0.8 Features Enable, Forced PWM, Light load efficiency, Output discharge, Over Current Protection, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO fixed EMI features Spread Spectrum Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000018 Duty cycle (max) (%) 100
WSON (DSG) 8 4 mm² (2 mm × 2 mm)
  • 3-MHz Switching Frequency
  • VIN Range from 2.9 V to 6 V
  • Up to 97% Efficiency
  • Power Save Mode / 3-MHz Fixed PWM Mode
  • Power Good Output
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • Output Capacitor Discharge Function
  • Typical 18 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Voltage Positioning
  • Clock Dithering
  • -40°C to 125°C Operating Junction Temperature
  • Supports Maximum 1-mm Height Solutions
  • Available in a 2 mm x 2 mm x 0.75 mm WSON
  • 3-MHz Switching Frequency
  • VIN Range from 2.9 V to 6 V
  • Up to 97% Efficiency
  • Power Save Mode / 3-MHz Fixed PWM Mode
  • Power Good Output
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • Output Capacitor Discharge Function
  • Typical 18 µA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Voltage Positioning
  • Clock Dithering
  • -40°C to 125°C Operating Junction Temperature
  • Supports Maximum 1-mm Height Solutions
  • Available in a 2 mm x 2 mm x 0.75 mm WSON

The TPS6206x is a family of highly efficient synchronous step down DC/DC converters. They provide up to 2-A output current.

With an input voltage range of 2.9 V to 6 V, the device is a perfect fit for power conversion from a 5-V or 3.3-V system supply rail. The TPS6206x operates at 3-MHz fixed frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range. The power save mode is optimized for low output voltage ripple. For low noise applications, TPS62065 can be forced into fixed frequency PWM mode by pulling the MODE pin high. TPS62067 provides an open drain power good output.

In the shutdown mode, the current consumption is reduced to less than 1 µA and an internal circuit discharges the output capacitor.

TPS6206x family is optimized for operation with a tiny 1 µH inductor and a small 10-µF output capacitor to achieve smallest solution size and high regulation performance.

It is available in a small 2-mm × 2-mm × 0.75-mm 8-pin WSON package.

The TPS6206x is a family of highly efficient synchronous step down DC/DC converters. They provide up to 2-A output current.

With an input voltage range of 2.9 V to 6 V, the device is a perfect fit for power conversion from a 5-V or 3.3-V system supply rail. The TPS6206x operates at 3-MHz fixed frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range. The power save mode is optimized for low output voltage ripple. For low noise applications, TPS62065 can be forced into fixed frequency PWM mode by pulling the MODE pin high. TPS62067 provides an open drain power good output.

In the shutdown mode, the current consumption is reduced to less than 1 µA and an internal circuit discharges the output capacitor.

TPS6206x family is optimized for operation with a tiny 1 µH inductor and a small 10-µF output capacitor to achieve smallest solution size and high regulation performance.

It is available in a small 2-mm × 2-mm × 0.75-mm 8-pin WSON package.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS6206x 3-MHz, 2-A, Step-Down Converter in 2-mm × 2-mm SON Package datasheet (Rev. E) PDF | HTML Oct 21, 2020
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML May 23, 2022
White paper Extending Battery Life in Smart E-Locks (Rev. A) Jun 4, 2020
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
White paper Complete Wireless M-Bus Solution (Rev. B) Nov 5, 2014
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
Analog design Journal IQ: What it is, what it isn’t, and how to use it Jun 17, 2011
Application note Optimizing TPS6206x External Component Selection Sep 14, 2010

Design & development

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

Evaluation board

TPS62065-67EVM-347 — Evaluation Module for 3MHz, 2A Step-Down Converter

The TPS62065-67EVM-347 is a fully assembled and tested circuit for evaluating the TPS62065 and TPS62067 2A Step-Down Converter.
User guide: PDF
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Simulation model

TPS62065 TINA-TI Start-Up Reference Design

SLVM148.TSC (894 KB) - TINA-TI reference design
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Simulation model

TPS62065 TINA-TI Steady State Reference Design

SLVM149.TSC (895 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

TPS62065 TINA-TI Transient Spice Model

SLVM150.ZIP (81 KB) - TINA-TI Spice model
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Simulation model

TPS62065 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM249B.ZIP (110 KB) - PSpice model
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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
Supported products & hardware
Reference design

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
WSON (DSG) 8 Ultra Librarian
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