TPS61070

ACTIVE

Adjustable, 600mA switch, 90% efficient PFM/PWM boost converter in ThinSOT-23 with 19uA Iq

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Product details

Parameters

Vin (Min) (V) 0.9 Vin (Max) (V) 5.5 Vout (Min) (V) 1.8 Vout (Max) (V) 5.5 Switch current limit (Typ) (A) 0.7 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 960 Switching frequency (Max) (kHz) 1440 Iq (Typ) (mA) 0.019 Features Synchronous Rectification Duty cycle (Max) (%) 100 Operating temperature range (C) -40 to 85 Type Converter Rating Catalog open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6 open-in-new Find other Boost converters (integrated switch)

Features

  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typ)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT23 Package
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Description

The TPS6107x 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 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 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 TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

For all available packages, see the orderable addendum at the end of the datasheet.
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Technical documentation

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Type Title Date
* Datasheet TPS6107x 90% Efficient Synchronous Boost Converter With 600-mA Switch datasheet (Rev. E) Mar. 25, 2015
Application notes Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 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
Selection guides Low-Power DC/DC Converter Overview Guide (Rev. D) Feb. 09, 2017
Application notes Five Steps to a Good PCB Layout of the Boost Converter May 03, 2016
Application notes Accurately measuring efficiency of ultralow-IQ devices Jan. 22, 2014
Application notes Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Technical articles Starting Soft Jul. 19, 2013
Application notes 2Q 2012 Issue Analog Applications Journal Apr. 26, 2012
Application notes Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012
Application notes IQ: What it is, what it isn’t, and how to use it Jun. 17, 2011
Application notes TPS61020 Boost Converter Start-Up and Precharge Jan. 28, 2010
Application notes Minimizing Ringing at the Switch Node of a Boost Converter Sep. 15, 2006
Application notes Reducing Output Ripple Voltage of TPS61070 Jun. 07, 2005
Application notes Single-cell Battery Discharge Characteristics Using the TPS61070 Boost Converter Aug. 24, 2004

Design & development

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

Hardware development

EVALUATION BOARDS Download
TPS61070 Evaluation Module
TPS61070EVM-062
document-generic User guide
$49.00
Description

The TPS61070EVM-062 is an evaluation tool for the TPS61070 inductive step-up converter IC. The TPS61070 integrated boost converter can supply voltages up to 5.5V from an input of 0.9-V to 5.5-V and is packaged in a 6-pin thin SOT23. The TPS61070EVM-062 is set up to provide a 5-V output. By replacing (...)

Features

The development tool includes:

  • A TPS61070EVM-062 evaluation module with a TPS61070DDC IC
  • A user's guide (SLVU106) that contains:
    • Schematic
    • Bill of materials
    • Component placement
    • Layout and setup of the EVM
  • A datasheet of the TPS6107x family of devices (SLVS510)

Design tools & simulation

SIMULATION MODELS Download
SLVMB37A.ZIP (95 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
Reference Design to Extend Coin Cell Battery Run Time in Wireless Ultrasonic Gas Leak Detector
TIDA-01236 This reference design demonstrates a low-power wireless sensor which detects gas leaks by analyzing the ultrasonic spectrum for particular signatures. The system is designed to operate from a single Li-Primary coin cell and communicate wirelessly to a base station, which removes all requirements for (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
5.0V @ 70mA Boost Converter
PMP8523 — This design is a boost converter which delivers an output voltage of 5.0V @ 70mA at an input of 3.3V. PMP8523 was designed to fit industrial applications.
Design files

CAD/CAE symbols

Package Pins Download
SOT-23-THIN (DDC) 6 View options

Ordering & quality

Support & training

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Videos

Power Tips: Layout for a Boost Power Stage

This video shows a simplified schematic and PCB layout for a boost converter

Posted: 21-Jan-2016
Duration: 04:31

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