Product details

Vin (Min) (V) 4.7 Vin (Max) (V) 28 Vout (Min) (V) 1 Vout (Max) (V) 6 Iout (Max) (A) 0.5 Iq (Typ) (uA) 4.8 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 1000 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Synchronous Rectification Operating temperature range (C) -40 to 85 Rating Catalog Regulated outputs (#) 1
Vin (Min) (V) 4.7 Vin (Max) (V) 28 Vout (Min) (V) 1 Vout (Max) (V) 6 Iout (Max) (A) 0.5 Iq (Typ) (uA) 4.8 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 1000 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Synchronous Rectification Operating temperature range (C) -40 to 85 Rating Catalog Regulated outputs (#) 1
WSON (DQC) 10 6 mm² 3 x 2
  • DCS-Control™ Topology
  • Input Voltage Range 4.75 V to 28 V
  • Quiescent Current Typically 4.8 µA (Sleep Mode)
  • 100% Duty Cycle Mode
  • Active Output Discharge
  • Power Good Output
  • Output Current of 500 mA
  • Output Voltage Range 1 VDC to 6 V
  • Switching Frequency of Typically 1 MHz
  • Seamless Power Save Mode Transition
  • Undervoltage Lockout
  • Short Circuit Protection
  • Over Temperature Protection
  • Available in 2-mm × 3-mm 10-pin WSON Package
  • DCS-Control™ Topology
  • Input Voltage Range 4.75 V to 28 V
  • Quiescent Current Typically 4.8 µA (Sleep Mode)
  • 100% Duty Cycle Mode
  • Active Output Discharge
  • Power Good Output
  • Output Current of 500 mA
  • Output Voltage Range 1 VDC to 6 V
  • Switching Frequency of Typically 1 MHz
  • Seamless Power Save Mode Transition
  • Undervoltage Lockout
  • Short Circuit Protection
  • Over Temperature Protection
  • Available in 2-mm × 3-mm 10-pin WSON Package

The TPS6217x is a high efficiency synchronous step-down DC/DC converter, based on the DCS-Control™ topology.

With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current.

The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it features a sleep mode to supply applications with advanced power save modes like ultra low power micro controllers. The power good output may be used for power sequencing and/or power on reset.

The device features a typical quiescent current of 22 µA in normal mode and 4.8 µA in sleep mode. In sleep mode, the efficiency at very low load currents can be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2 µA and the output is actively discharged.

The TPS6217x, available in an adjustable and a fixed output voltage version, is packaged in a small 2-mm × 3-mm 10-pin WSON package.

The TPS6217x is a high efficiency synchronous step-down DC/DC converter, based on the DCS-Control™ topology.

With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current.

The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it features a sleep mode to supply applications with advanced power save modes like ultra low power micro controllers. The power good output may be used for power sequencing and/or power on reset.

The device features a typical quiescent current of 22 µA in normal mode and 4.8 µA in sleep mode. In sleep mode, the efficiency at very low load currents can be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2 µA and the output is actively discharged.

The TPS6217x, available in an adjustable and a fixed output voltage version, is packaged in a small 2-mm × 3-mm 10-pin WSON package.

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Technical documentation

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Type Title Date
* Data sheet TPS6217x 28-V, 0.5-A Step-Down Converter With Sleep Mode datasheet (Rev. C) 05 Mar 2015
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes (Rev. A) 25 Jun 2021
User guide TPS62175 Buck Converter Evaluation Module User's Guide (Rev. A) 08 Jun 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 Apr 2021
Analog design journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Technical article Minimize the impact of the MLCC shortage on your power application 29 Mar 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Analog design journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog design journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin t 24 Oct 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Analog design journal Testing tips for applying external power to supply outputs without an input volt 24 Oct 2016
Analog design journal Understanding frequency variation in the DCS-Control(TM) topology 30 Oct 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog design journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
Analog design journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014
Technical article Invert your biased voltage 26 Oct 2013
Application note Using the TPS62175 in an Inverting Buck Boost Topology (Rev. A) 02 Oct 2013
Analog design journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note Optimizing the TPS62175 Output Filter 17 Oct 2012
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Analog design journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Application note Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C) 12 Jan 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

Design & development

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

Evaluation board

TPS62175EVM-098 — TPS62175EVM-098 Step Down Converter With Snooze/Sleep/Standby Mode Evaluation Module Board

Step Down Converter With Snooze/Sleep/Standby Mode Evaluation Module Board

This EVM is designed to help the user easily evaluate and test the operation and functionality of the TPS62175. The EVM converts a 4.7-V to 28-V input voltage to a regulated 3.3-V output voltage that delivers 500 mA.
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Simulation model

TPS62175 Unencrypted PSpice Transient Model (Rev. C)

SLVM636C.ZIP (82 KB) - PSpice Model
Simulation model

TPS62175 Buck TINA-TI Transient Reference Design (Rev. A)

SLVM670A.TSC (491 KB) - TINA-TI Reference Design
Simulation model

TPS62175 Non-Inverting and Inverting TINA-TI Transient Spice Model (Rev. B)

SLVM671B.ZIP (68 KB) - TINA-TI Spice Model
Simulation model

TPS62175 Inverting Buck Boost TINA-TI Transient Reference Design

SLVMCC5.TSC (479 KB) - TINA-TI Reference Design
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Gerber file

PWR098A Gerber files

SLVC453.ZIP (281 KB)
Reference designs

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Analog input and output modules are a standard component in Programmable Logic Controllera (PLC) or Distributed Control Systems (DCS). More channels per module and slimmer modules bring design challenges to the isolated power supply in those modules. Anyone facing those challenges will benefit from (...)
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This reference design is used for the stall-detection in a stepper motor driven by DRV8880 in the presence of a closed-loop feedback obtained with an optical rotary incremental encoder.  The reference design shows how to detect a stall using a closed-loop algorithm.
Reference designs

TIDA-00982 — Non-Military Drone, Robot, or RC 2S1P Battery Management Solution Reference Design

This reference design is for a 2S1P battery management solution (BMS) for non-military drone, robot or radio controlled (RC) projects and designs. Quickly add gauging, protection, balancing and charging to any new design for a non-military drone, robot or RC product or use this reference design to (...)
Reference designs

TIDA-00688 — 1W Isolated Power Supply with Planar Transformer Reference Design

Isolated power supply is a main requirement in every industrial application where modules are connected to Programmable Logic Controllers (PLCs). Often, for those PLC modules, there is only limited space available, making the inclusion of large isolation transformers more difficult. TIDA-00688 (...)
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