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Product details

Parameters

Vin (Min) (V) 4.7 Vin (Max) (V) 28 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Iout (Max) (A) 0.5 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 1000 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Synchronous Rectification Control mode Constant on-time (COT), DCS-Control Duty cycle (Max) (%) 100 Type Converter Operating temperature range (C) -40 to 85 Rating Catalog open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

WSON (DQC) 10 6 mm² 3 x 2 open-in-new Find other Buck converters (integrated switch)

Features

  • 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
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Description

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
* Datasheet TPS6217x 28-V, 0.5-A Step-Down Converter With Sleep Mode datasheet (Rev. C) Mar. 05, 2015
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application notes Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 2018
Application notes QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Application notes Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application notes A Topical Index of TI Low Power Buck DC/DC Application Notes Jan. 17, 2018
Application notes Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Application notes Extending the Soft Start Time Without a Soft Start Pin (Rev. B) Jun. 15, 2017
Application notes Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Selection guides DC/DC converters with DCS-Control topolgy selection guide (Rev. A) Mar. 17, 2016
Application notes Understanding frequency variation in the DCS-Control(TM) topology Oct. 30, 2015
Application notes Basic Calculation of a Buck Converter's Power Stage (Rev. B) Aug. 17, 2015
Application notes Five steps to a great PCB layout for a step-down converter Jan. 29, 2015
Technical articles Maybe that LDO isn’t the best choice… or maybe it is! Jun. 08, 2014
Technical articles We Were Made for Each Other Feb. 26, 2014
Application notes Accurately measuring efficiency of ultralow-IQ devices Jan. 22, 2014
Application notes Using the TPS62175 in an Inverting Buck Boost Topology (Rev. A) Oct. 02, 2013
Application notes High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions Jul. 25, 2013
Application notes Optimizing the TPS62175 Output Filter Oct. 17, 2012
User guides TPS62175EVM-098 User's Guide Sep. 25, 2012
Application notes How to Measure the Control Loop of DCS-Control Devices (Rev. A) Aug. 09, 2012
Application notes Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan. 13, 2012
Application notes Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C) Jan. 12, 2012
Application notes Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep. 19, 2011
Application notes 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.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description
The BOOSTXL-AFE031-DF1 evaluation module features the AFE031, TI’s integrated power-line communication (PLC) analog front-end device. When paired with a supported C2000™ MCU LaunchPad™ development kit, the BoosterPack™ plug-in module offers a robust evaluation platform for (...)
Features
  • AFE031-based PLC transceiver for SunSpec rapid shutdown applications
  • Integrated powerline driver with thermal and overcurrent protection
  • Large output swing: 12Vpp at 1.5A with 15VDC supply
  • Programmable Tx/Rx filters and gain control
  • C2000Ware transmit and receive examples
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

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.
Features
  • 4.7V to 28V input voltage
  • 500 mA output current
  • SLEEP mode

Design tools & simulation

SIMULATION MODELS Download
SLVM733.ZIP (69 KB) - PSpice Model
GERBER FILES Download
SLVC453.ZIP (281 KB)

Reference designs

REFERENCE DESIGNS Download
Power DUO Source 200W USB-C PD Reference Design
TIDA-050012 — The Power DUO Source 200 W USB-C PD Reference Design is a complete USB PD Source reference design that allows users to select their USB PD source voltage.
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REFERENCE DESIGNS Download
22-W/in3, 93.1% peak efficiency, 100-W USB-PD 3.0 AC/DC adapter reference design with Si MOSFET
TIDA-010047 — This fully-tested reference design is a high-efficiency, high-power-density, AC/DC adapter solution with a wide input voltage range (100- to 240-V AC) for laptop adapters and smartphone charger applications. This design consists of a front-end transition-mode (TM) power factor correction (PFC (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Data Collector With M-Bus And RS-485 Protocol Conversion Reference Design
TIDM-1005 — This reference design implements a smart meter data collector with protocol conversion between Meter Bus (M-Bus) and RS-485 networks. M-BUS and RS-485 networks can be mixed together in some network domains, requiring bridging capability to fully integrate the system. This design becomes an (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
SunSpec Rapid Shutdown Transmit and Receive Reference Design
TIDA-060001 — This reference design interfaces an AFE031 Powerline Communications Analog Front End with a C2000 MCU to send and receive data over a wired coupled interface using frequency shift keying (FSK). The design demonstrates the SunSpec standard protocol transmitting the specific 33-bit word packet using (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Camera Reference Design for ARM® Cortex®-M Microcontrollers (MCUs)
TIDM-TM4C129CAMERA This design implements a network camera with a QVGA display panel and an embedded web server for remote monitoring.  With a memory footrpint of 250KB for the web server, there is ample memory available on the TM4C129x microcontroller for additional customizations.
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REFERENCE DESIGNS Download
Interfacing SDRAM Memory on High Performance Microcontrollers
TIDM-TM4C129XSDRAM This reference design demonstrates how to implement and interface SDRAM Memory to the performance microcontroller TM4C129XNCZAD. The implementation is made possible by using the EPI Interface of the Microcontroller to interface a 256Mbit SDRAM at 60MHz which allows developers to implement additional (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Compact CAN-to-Ethernet Converter using 32-bit ARM Cortex-M4F MCU Reference Design
TIDA-00203 This reference design demonstrates a small form-factor Controller Access Network (CAN)-to-Ethernet converter using the TM4C129XNCZAD 32-bit ARM® Cortex™-M4F MCU. Supporting 10/100 Base-T compliant with IEEE 802.3 standard, this reference design is useful for industrial drives (...)
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REFERENCE DESIGNS Download
32-bit ARM® Cortex™-M4F MCU based Small form factor Serial-to-Ethernet Converter
TIDA-00226 Serial communications have been widely used in grid infrastructure equipments. But the limitation of transmission distance and bandwidth of serial communication leads to demand for a more flexible and high-speed method to meet modern smart grid network migration. Ethernet has been accepted as an (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Connected Ethernet, USB, and LCD Reference Design
TIDM-CONNECTED-ETHERNET This TI Design will demonstrate several ethernet- and LCD-enabled applications such as remote sensor monitoring, ethernet configuration via web-based and LCD dashboards and aware applications that interface with weather websites.
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
WSON (DQC) 10 View options

Ordering & quality

Support & training

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