TPS62130A

ACTIVE

3-V to 17-V, 3-A step-down converter with DCS-control in 3x3 QFN package

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Product details

Parameters

Vin (Min) (V) 3 Vin (Max) (V) 17 Vout (Min) (V) 0.9 Vout (Max) (V) 6 Iout (Max) (A) 3 Iq (Typ) (uA) 17 Switching frequency (Min) (kHz) 1250 Switching frequency (Max) (kHz) 2500 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Voltage Margining Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN (RGT) 16 9 mm² 3 x 3 open-in-new Find other Buck converters (integrated switch)

Features

  • DCS-Control™ Topology
  • Input Voltage Range: 3 to 17V
  • Up to 3A Output Current
  • Adjustable Output Voltage from 0.9 to 6V
  • Pin-Selectable Output Voltage (nominal, + 5%)
  • Programmable Soft Start and Tracking
  • Seamless Power Save Mode Transition
  • Quiescent Current of 17µA (typ.)
  • Selectable Operating Frequency
  • Power Good Output
  • 100% Duty Cycle Mode
  • Short Circuit Protection
  • Over Temperature Protection
  • Pin to Pin Compatible with TPS62140 and TPS62150
  • Available in a 3 × 3 mm, QFN-16 Package

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Description

The TPS6213X family is an easy to use synchronous step down DC-DC converter optimized for applications with high power density. A high switching frequency of typically 2.5MHz 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 3V to 17V, the devices are ideally suited for systems powered from either a Li-Ion or other batteries as well as from 12V intermediate power rails. It supports up to 3A continuous output current at output voltages between 0.9V and 6V (with 100% duty cycle mode). The output voltage startup ramp is controlled by the soft-start pin, which allows operation as either a standalone 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 about 17µA from VIN. Power Save Mode, entered automatically and seamlessly if 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 2µA.

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

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TPS62135 ACTIVE 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN Higher output current (4 A) or more design flexibility.

Technical documentation

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Type Title Date
* Datasheet TPS6213x 3-V to17-V, 3-A Step-Down Converter In 3x3 QFN Package datasheet (Rev. E) Aug. 31, 2016
Application note Methods of output-voltage adjustment for DC/DC converters Jun. 14, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 2018
Application note QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Application note Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application note Extracting a Lumped Output Impedance Model With SIMPLIS or SiMetrix Jun. 11, 2018
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes Jan. 17, 2018
Application note Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Application note Feedforward Capacitor to Improve Stability and Bandwidth of TPS621/821-Family (Rev. A) Jun. 28, 2017
Application note Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) Jun. 28, 2017
Application note Step-Down LED Driver With Dimming With the TPS621-Family and TPS821-Family (Rev. A) Jun. 28, 2017
Application note Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Technical articles Is inductor ripple current as a percentage still relevant in low-power step-down converters? Jan. 12, 2016
Application note Understanding frequency variation in the DCS-Control(TM) topology Oct. 30, 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) Aug. 17, 2015
Application note Optimizing the TPS62130/40/50/60 Output Filter (Rev. A) Jul. 15, 2015
Application note Five steps to a great PCB layout for a step-down converter Jan. 29, 2015
Application note Step-Down Converter With Input Overvoltage Protection Sep. 04, 2014
Application note Step-Down Converter with Cable Voltage Drop Compensation Jun. 26, 2014
Technical articles Oops! I need more current… May 30, 2014
Technical articles Discharge that output rail? May 16, 2014
Application note TPS62130A Differences to TPS62130 Apr. 02, 2014
Application note Using the TPS62150 in a Split Rail Topology Mar. 26, 2014
Application note High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions Jul. 25, 2013
Application note Using the TPS6215x in an Inverting Buck-Boost Topology.. (Rev. C) Dec. 19, 2012
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) Aug. 09, 2012
Application note 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 Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C) Jan. 12, 2012
Application note Voltage Margining Using the TPS62130 Dec. 15, 2011
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep. 19, 2011
Application note IQ: What it is, what it isn’t, and how to use it Jun. 17, 2011

Design & development

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Hardware development

EVALUATION BOARD Download
49
Description
  • 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-V output. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. The (...)

Design tools & simulation

SIMULATION MODEL Download
SLVM893A.ZIP (59 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
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  • Supports simultaneous analysis of multiple products
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CALCULATION TOOL Download
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Reference designs

REFERENCE DESIGNS Download
160-MHz Bandwidth Wireless Signal Tester Reference Design
TIDA-00988 — This reference design implements an IF subsystem for a standard wireless signal tester with an active balun-amplifier (LMH5401), LC bandpass filter, 16-bit ADC (ADC31JB68) and clock cleaner and generator PLL (LMK04828). Measurements using modulated signals demonstrate reception of the signal with (...)
document-generic Schematic
REFERENCE DESIGNS Download
700–2700 MHz Dual-Channel Receiver with 16-Bit ADC and 100 MHz IF Bandwidth Reference Design
TIDA-00360 The increasing demand on wireless networks to provide faster data links to customers has driven transceiver hardware to increasingly demanding performance with enough bandwidth to support the largest standardized multi-carrier frequency bands (with band aggregation in some cases) and enough receiver (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
VQFN (RGT) 16 View options

Ordering & quality

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