TPS62133

ACTIVE

3-17V 3A Step-Down Converter in 3x3 QFN Package

A newer version of this product is available

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Similar functionality to the compared device
TPS62903 ACTIVE 3-V to 17-V, 3-A high-efficiency low-IQ buck converter in 1.5-mm × 2-mm QFN package Improved efficiency, smaller size and lower IQ.

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 17 Switching frequency (min) (kHz) 1250 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Voltage Margining Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 17 Switching frequency (min) (kHz) 1250 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Voltage Margining Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 5 Vout (max) (V) 5 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
VQFN (RGT) 16 9 mm² 3 x 3
  • DCS-Control™ topology
  • Input voltage range: 3 V to 17 V
  • Up to 3-A output current
  • Adjustable output voltage from 0.9 V to 6 V
  • Pin-selectable output voltage (nominal, + 5%)
  • Programmable soft start and tracking
  • Seamless power save mode transition
  • Quiescent current of 17 µA (typical)
  • Selectable operating frequency
  • Power-good output
  • 100% duty cycle mode
  • Short circuit protection
  • Overtemperature protection
  • Pin-to-pin compatible with the TPS62140 and TPS62150
  • Available in a 3-mm × 3-mm, QFN-16 package
  • Use the TPS82130 for faster designs
  • DCS-Control™ topology
  • Input voltage range: 3 V to 17 V
  • Up to 3-A output current
  • Adjustable output voltage from 0.9 V to 6 V
  • Pin-selectable output voltage (nominal, + 5%)
  • Programmable soft start and tracking
  • Seamless power save mode transition
  • Quiescent current of 17 µA (typical)
  • Selectable operating frequency
  • Power-good output
  • 100% duty cycle mode
  • Short circuit protection
  • Overtemperature protection
  • Pin-to-pin compatible with the TPS62140 and TPS62150
  • Available in a 3-mm × 3-mm, QFN-16 package
  • Use the TPS82130 for faster designs

The TPS6213x family are easy-to-use synchronous step down DC-DC converters optimized for applications with high power density. A high switching frequency of typically 2.5 MHz allows the use of small inductors and provides fast transient response as well as high output voltage accuracy by use of the DCS-Control topology.

With their wide operating input voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other batteries as well as from 12-V intermediate power rails. They support up to 3-A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode). The output voltage start-up ramp is controlled by the soft-start pin, which allows operation as either a stand-alone power supply or in tracking configurations. Power sequencing is also possible by configuring the Enable and open-drain Power Good pins.

In power save mode, the devices draw quiescent current of approximately 17 µA from VIN. Power save mode, entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device is turned off and shutdown current consumption is less than 2 µA.

The device, available in adjustable and fixed output voltage versions, is packaged in a 16-pin VQFN package measuring 3 mm × 3 mm (RGT).

The TPS6213x family are easy-to-use synchronous step down DC-DC converters optimized for applications with high power density. A high switching frequency of typically 2.5 MHz allows the use of small inductors and provides fast transient response as well as high output voltage accuracy by use of the DCS-Control topology.

With their wide operating input voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other batteries as well as from 12-V intermediate power rails. They support up to 3-A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode). The output voltage start-up ramp is controlled by the soft-start pin, which allows operation as either a stand-alone power supply or in tracking configurations. Power sequencing is also possible by configuring the Enable and open-drain Power Good pins.

In power save mode, the devices draw quiescent current of approximately 17 µA from VIN. Power save mode, entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device is turned off and shutdown current consumption is less than 2 µA.

The device, available in adjustable and fixed output voltage versions, is packaged in a 16-pin VQFN package measuring 3 mm × 3 mm (RGT).

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TPS62143 ACTIVE 3–17V 2A Step-Down Converter in 3x3 QFN package Pin-to-pin 2-A product with the same fixed-output voltage.
TPS62153 ACTIVE 3–17V 1A Step-Down Converter in 3x3 QFN package A pin-to-pin 1-A product with the same fixed-output voltage.

Technical documentation

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Type Title Date
* Data sheet TPS6213x 3-V to17-V, 3-A Step-Down Converter In 3-mm × 3-mm QFN Package datasheet (Rev. F) PDF | HTML 10 Nov 2021
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note Using the TPS6215x in an Inverting Buck-Boost Topology.. (Rev. D) PDF | HTML 23 Jan 2023
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 May 2022
EVM User's guide TPS6213x Buck Converter Evaluation Module User's Guide (Rev. B) PDF | HTML 09 Jun 2021
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 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 threshold 24 Oct 2017
Application note Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) 28 Jun 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 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
Application note Optimizing the TPS62130/40/50/60 Output Filter (Rev. A) 15 Jul 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
Application note Step-Down Converter With Input Overvoltage Protection 04 Sep 2014
Application note Step-Down Converter with Cable Voltage Drop Compensation 26 Jun 2014
Analog Design Journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 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

TPS62130EVM-505 — Evaluation Module for TPS62130 a 3-A, synchronous, step-down converter in a 3x3-mm, 16-pin QFN

  • Related Terms:
    • Synchronous Step Down DC-DC Converter
    • DC to DC Step Down Converter
    • Buck DC DC Converter

The TPS62130EVM-505 (HPA505-001) uses the TPS62130 adjustable version and is set to a 3.3-Voutput. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. (...)

User guide: PDF | HTML
Not available on TI.com
Simulation model

TPS62133 PSpice Unencrypted Transient Model (Rev. B)

SLVM439B.ZIP (48 KB) - PSpice Model
Simulation model

TPS62133 TINA-TI Transient Reference Design

SLVMA34.ZIP (41 KB) - TINA-TI Reference Design
Simulation model

TPS62133 TINA-TI Transient Spice Model

SLVMA35.ZIP (52 KB) - TINA-TI Spice Model
Package Pins CAD symbols, footprints & 3D models
VQFN (RGT) 16 Ultra Librarian

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