Boost converters (integrated switch)

Efficient, power-dense DC/DC step-up (boost) converters that meet a variety of power supply needs

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Our portfolio of synchronous and non-synchronous DC/DC step-up converters features size-optimized, power-dense and low-IQ devices for a variety of power designs – from ultra-low power to 60 W or higher. With one or more integrated FETs and few off-chip components, our DC/DC boost converters offer a balance of flexibility and ease of use for your power design.

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Low VIN ≤6 V

Common 3.3-V and 5-V intermediate buses and input voltage rails for personal electronics and other low-power systems.

Mid VIN 6 V to ≤40 V

12-V/24-V input applications such as communications infrastructure, enterprise computing, industry or 12-V automotive systems. 

Wide-VIN >40 V

Nominal 48-V input voltage systems such as telecommunications infrastructure, industry, 12-V/24-V automotive systems and the emerging HEV and EV automotive space.

Featured boost converters

TPS61033 NEW

5-V, 5-A boost converter with PG and PFM/PWM control

Approx. price (USD) 1ku | 0.6
TPS61376 NEW

25-V, 4.5-A, boost converter with 2.5% accuracy input average current limit & true disconnection

Approx. price (USD) 1ku | 1.2
TLV61070A NEW

5-V 2-A boost converter with 0.5-V minimum input voltage

Approx. price (USD) 1ku | 0.2

Power trends

Low quiescent current (IQ)

Your power design requires efficiency across the entire load range to extend battery life. Our low IQ boost devices minimize the amount of current draw out of the battery at ultra-light loads or even when the devices are not switching.

Technical article
3 benefits of using a low-IQ buck-boost converter to extend battery life in flow meters
In this article we describe an effective method to decouple peak loads from the battery in the range of a few hundred milliamperes which can help increase battery life.
Technical article
3 quiescent-current (IQ) specifications to understand
A common definition of quiescent current (IQ) is the current drawn by an integrated circuit (IC) in a no-load and nonswitching but enabled condition. Learn more about how this works in our article.
Analog Design Journal
IQ: What it is, what it isn’t, and how to use it
A device’s quiescent current, or IQ, is an important yet often misused parameter for low-power, energy-efficient designs. Learn more about IQ, what it is and what it isn't, in this article. 
PDF
Featured products for low quiescent current (IQ)
TPS61094 ACTIVE 60-nA quiescent current bi-directional buck/boost converter with bypass mode
TPS61099 ACTIVE 0.7Vin Synchronous Boost Converter with 800 nA Ultra-Low Quiescent Current
Low EMI

Mitigating boost regulator EMI is a major challenge for many power supply designs. Our devices and EMI mitigation designs are validated for required IEC and CISPR standards to minimize EMI, output ripple and audible noise when using a DC/DC switcher. Our industry-leading, dual, random spread-spectrum technology mitigates EMI by spreading energy in multiple bands of interest using two random frequency generators.

Video
Achieve Low EMI with Dual Random Spread Spectrum
Learn about TI's new dual random spread spectrum, or DRSS, and how it optimizes EMI reduction in multiple CISPR-25 frequency bands. This is followed by a demonstration of the level of reduction achieved with this technology.
Application note
EMI Reduction Technique, Dual Random Spread Spectrum (Rev. A)
Spread spectrum techniques are commonplace in switch mode controllers and converters, and serve the purpose of reducing the effect of electromagnetic interference (EMI) that switchers generate. 
PDF
Application note
Reducing Radiated EMI in TPS61088 Boost Converter (Rev. A)
EMI control is a big challenge in SMPS design. This application note describes the basic operation of the boost converter, and provides some practical tips on how to reduce the radiation EMI in the TPS61088 boost converter design.
PDF
Featured products for low EMI
LM5157-Q1 ACTIVE 6-A, 50-V, 2.2-MHz wide VIN boost, flyback, & SEPIC converter with dual random spread spectrum
TPS61378-Q1 ACTIVE 18.5-V output, 4.8-A synchronous boost converter with load disconnect
TPS61088 ACTIVE 10-A Fully-Integrated Synchronous Boost Converter
Power density

We know you need more power in a smaller form factor. Our boost regulators harness multiple leading power technologies for the most power dense, size-optimized, and best thermal performance solutions. Our ultra-efficient controllers and integrated converters can help you meet any design goal.

Featured products for power density
TPS61178 ACTIVE 20-V, 10-A fully integrated sync boost with load disconnect
TPS61288 ACTIVE 18-V, 15-A synchronous boost converter
TPS61089 ACTIVE 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package

Technical resources

Application note
Application note
TPS61390 Boost Converter With Low APD Bias Voltage Ripple
This application report describes how to design for very low APD bias voltage ripple in order to precisely measure various current condition levels.
document-pdfAcrobat PDF
Application note
Application note
Five Steps to a Good PCB Layout of the Boost Converter
This guide discusses how a good PCB layout is critical for the boost converter because it is sensitive to parasitic capacitance and inductance due to the switch-mode operation.
document-pdfAcrobat PDF
Analog Design Journal
Analog Design Journal
IQ: What it is, what it isn’t, and how to use it
This article defines IQ and how it is measured, explains what IQ is not and how it should not be used, and gives design considerations on how to use IQ while avoiding common measurement errors.
document-pdfAcrobat PDF

Design & development resources

Design tool
WEBENCH® Power Designer
WEBENCH® Power Designer creates customized power-supply circuits based on your requirements. The environment gives you end-to-end power-supply design capabilities that save you time during all phases of the design process.
Simulation tool
PSpice® for TI design and simulation tool
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 (...)
Design tool
Power Stage Designer™ Tool of Most Commonly Used Switch-mode Power Supplies
Power Stage DesignerTM is a JAVA-based tool (requires JAVA 8 or OpenJDK 8) that helps engineers accelerate their power-supply designs by calculating voltages and currents of 20 topologies according to the user’s inputs. Additionally, Power Stage Designer contains a Bode plotting tool and a (...)

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