TPS62184

ACTIVE

17-V, 6A, Synchronous Step-Down Converter with Power Good, 1% Accuracy, Adj. Soft Start/Tracking

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Product details

Parameters

Vin (Min) (V) 4 Vin (Max) (V) 17 Vout (Min) (V) 0.9 Vout (Max) (V) 3.5 Iout (Max) (A) 6 Iq (Typ) (mA) 0.028 Iq (Typ) (uA) 28 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 2000 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Pre-Bias Start-Up, Synchronous Rectification, Tracking Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

DSBGA (YZF) 24 7 mm² 2.14 x 3.14 open-in-new Find other Buck converters (integrated switch)

Features

  • Dual Phase Balanced Peak Current Mode
  • Input Voltage Range: 4 V to 17 V
  • Output Voltage:
    • 0.9 V ≤ VOUT ≤ 1.8 V (6A),
    • 1.8 V ≤ VOUT ≤ 2.5 V (5.5A)
    • 2.5 V ≤ VOUT ≤ 3.5 V (5A)
  • Typical Quiescent Current of 28 µA
  • Output Voltage Accuracy of ±1% (PWM Mode)
  • Automatic Efficiency Enhancement (AEE™)
  • Phase Shifted Operation
  • Automatic Power Save Mode
  • Adjustable Soft Start
  • Power Good Output
  • Undervoltage Lockout
  • HICCUP Over Current Protection
  • Over Temperature Protection
  • Pin to Pin Compatible with TPS62180/2
  • NanoFree™ 2.10 mm × 3.10 mm DSBGA Package
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Description

The TPS62184 is a synchronous dual-phase step-down DC-DC converter for low profile power rails. It operates with two identical, current balanced phases that are peak current controlled enabling use in height limited applications.

With a wide operating input voltage range of 4 V to 17 V, the device is ideally suited for systems powered from multi-cell Li-Ion batteries or 12-V rails. The output current of 6 A is continuously provided by two phases of 3 A each, allowing the use of low profile external components. The phases operate out of phase, reducing switching noise significantly.

The TPS62184 automatically enters Power Save Mode to maintain high efficiency down to very light loads. It also incorporates an Automatic Efficiency Enhancement (AEE™) for the entire duty cycle range.

The device features a Power Good signal, as well as an adjustable soft start. The quiescent current is typically 28 µA, it is able to run in 100% mode, and it has no duty cycle limitation even at lowest output voltage.

The TPS62184 is packaged in a small 24-bump, 0.5 mm pitch DSBGA package.

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Similar but not functionally equivalent to the compared device:
TPS62135 ACTIVE 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN This product is a lower current (4 A) converter in a QFN package.

Technical documentation

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Type Title Date
* Datasheet TPS62184 4-V to 17-V, 6-A, 2-Phase Step-Down Converter with AEE datasheet (Rev. A) Feb. 23, 2015
Selection guides Buck Converter Quick Reference Guide (Rev. A) Mar. 31, 2020
Application notes 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 notes Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 2018
Application notes Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application notes Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Application notes Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) Jun. 28, 2017
Application notes Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Technical articles Powering multicore processors with multiphase DC/DCs Aug. 18, 2015
User guides TPS62184 EVM UG Mar. 02, 2015
Application notes Five steps to a great PCB layout for a step-down converter Jan. 29, 2015
Application notes Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012
Application notes Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan. 13, 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
Description

The TPS62184EVM-581 (PWR581-002) facilitates the evaluation of the TPS62184 6-A, 2-phase buck converter.  The EVM outputs a 1.8-V output voltage from input voltages between 4V and 17V.  The TPS62184 features Automatic Efficiency Enhancement (AEE™) to deliver efficiencies in excess of (...)

Features
  • Automatic Efficiency Enhancement (AEE™)
  • 4V-17V Input Voltage Range
  • 6-A Continuous Output Current
  • Output Voltage adjustable between 0.9V and 3.5V
  • 99 mm² solution size

Design tools & simulation

SIMULATION MODELS Download
SLVMAP6.ZIP (114 KB) - PSpice Model
SIMULATION TOOLS 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
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
GERBER FILES Download
SLVC602.ZIP (202 KB)
GERBER FILES Download
SLVC780.ZIP (138 KB)

Reference designs

REFERENCE DESIGNS Download
Three Different Buck Converter Circuits to Convert 12V to 1.2V at >6A Load Current Reference Design
PMP11438 PMP11438 is a vehicle used to compare three different power solutions for converting a 12V bus to 1.2V at 6-10A. The 1.2V output voltage is applicable to DDR4 memory applications. Each solution offers an advantage in either full load efficiency, light load efficiency, density, height, transient (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
DSBGA (YZF) 24 View options

Ordering & quality

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