TPS61025

ACTIVE

3.3-V Output, 1.5-A Switch, 96% Efficient Boost Converter w/ LDO Down-Mode, QFN-10

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Product details

Parameters

Vin (Min) (V) 0.9 Vin (Max) (V) 6.5 Vout (Min) (V) 3.3 Vout (Max) (V) 3.3 Switch current limit (Typ) (A) 1.5 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 480 Switching frequency (Max) (kHz) 720 Iq (Typ) (mA) 0.025 Features Synchronous Rectification Duty cycle (Max) (%) 100 Operating temperature range (C) -40 to 85 Rating Catalog open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

VSON (DRC) 10 9 mm² 3 x 3 VSON (DRC) 10 9 mm² 3.00 x 3.00 open-in-new Find other Boost converters (integrated switch)

Features

  • 96% Efficient Synchronous Boost Converter
  • Output Voltage Remains Regulated When Input
    Voltage Exceeds Nominal Output Voltage
  • Device Quiescent Current: 25 µA (Typ)
  • Input Voltage Range: 0.9 V to 6.5 V
  • Fixed and Adjustable Output Voltage Options
    Up to 5.5 V
  • Power Save Mode for Improved Efficiency at
    Low Output Power
  • Low Battery Comparator
  • Low EMI-Converter (Integrated Anti-ringing
    Switch)
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 3-mm × 3-mm VSON-10 Package
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Description

The TPS6102x family of devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a high efficiency over a wide-load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD package measuring 3 mm x 3 mm (DRC).

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 16
Type Title Date
* Datasheet TPS6102x 96% Efficient Synchronous Boost Converter datasheet (Rev. G) Dec. 24, 2014
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
Selection guides Power Management Guide 2018 (Rev. R) Jun. 25, 2018
Application notes Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) Nov. 29, 2017
Application notes Extending the Soft Start Time Without a Soft Start Pin (Rev. B) Jun. 15, 2017
Application notes Five Steps to a Good PCB Layout of the Boost Converter May 03, 2016
Application notes Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Application notes Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 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
Application notes Minimizing Ringing at the Switch Node of a Boost Converter Sep. 15, 2006
Application notes Factors That Determine Light Load PSM Switch Freq for TPS6102x Boost Converters Apr. 21, 2006
Application notes TPS6102x Boost Converter Down Conversion Mode Dec. 16, 2004
User guides TPS61020EVM: High-Efficiency Synchronous Boost Converters Nov. 17, 2003
White papers A Step-Down Conversion Concept for a PWM-Mode Boost Converter Aug. 26, 2003

Design & development

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

Hardware development

EVALUATION BOARDS Download
TPS61020 Evaluation Module
TPS61020EVM-025
document-generic User guide
49
Description

The TPS61020EVM-025 is an evaluation tool for the TPS61020 inductive step-up converter in QFN-10 package which can supply voltages up to 5.5V from a 0.9-V to 6.5-V input featuring an LDO down-mode regulating the output voltage even if the input voltage exceeds the output voltage level. The (...)

Design tools & simulation

SIMULATION MODELS Download
SLIM064A.ZIP (33 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SLIM065A.TSC (4430 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLIM066A.TSC (1314 KB) - TINA-TI Reference Design
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
SLVC139.ZIP (92 KB)

CAD/CAE symbols

Package Pins Download
VSON (DRC) 10 View options

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