Buck-boost & sepic

Multiple configurations and sizes to meet your design needs

 Minimize power loss

Deliver maximum power without draining battery life. Our buck-boost, inverting and split-rail products simplify power-supply design with integrated components that help you shrink overall solution size, minimize power loss and extend battery life for a wide range of electronic devices. Choose from our broad portfolio of products that feature low quiescent current, high power density and low EMI.

Browse products by category

Power modules (integrated magnetics)

The simplest and smallest option for step-down DC/DC voltage conversion.

Converters (integrated FET)

Balance simplicity and flexibility with integrated-FET step-down voltage converters

Controllers (external FET)

Achieve high reliability in high-power, thermally-demanding applications

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™ software tool of most commonly used switchmode power supplies

Power Stage Designer is a JAVA-based tool that helps speed up power-supply designs as it calculates voltages and currents of 21 topologies based on user inputs. Additionally, Power Stage Designer contains a Bode plotting tool and a helpful toolbox with various functions to make power supply design (...)

Technical resources

Application note
Application note
How to Achieve Low EMI with TPS55288 Buck-Boost Converter
Get an analysis of the root cause of EMI noise and design guidelines to help you minimize EMI noise, including layout and circuit-level design tips.
document-pdfAcrobat PDF
Application note
Application note
LM5176 Power Sharing Between Two Parallel, Four-Switch Buck-Boost Converters
This application report presents a cost-effective solution to achieve  balanced load sharing between the two paralleled converters within 1% error, without sacrificing overall performance. 
document-pdfAcrobat PDF
Technical article
Technical article
Four-switch buck-boost layout tip No. 4: routing gate-drive and return paths
Printed circuit board (PCB) layout design plays a critical role in achieving high performance for a four-switch buck-boost regulator. Read this article to learn about optimal routing of the gate-drive and return paths.