Buck-boost & inverting modules (integrated inductor)

Generate a negative output voltage with an integrated-inductor module

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We offer a handful of dedicated inverting power modules that produce a negative output voltage with the density and simplicity of an integrated-inductor power supply IC. You can also generate this negative voltage by simply reconfiguring a DC/DC buck power module that you have used in other designs. Find the best inverting module for your design, or leverage our resources to learn how easy it is to turn your buck module into an inverter.

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Dedicated inverting buck-boost modules

These integrated-inductor inverting power modules span an input voltage range from 2.9 V to 40 V and have been designed specifically to provide a negative output voltage. 

Buck modules that can be reconfigured as inverters

Discover how easy it is to produce a negative output voltage with the DC/DC buck module that you are already familiar with or find a buck module to help you get started.

Technical resources

Application note
Application note
Working with Inverting Buck-Boost Converters (Rev. B)
Learn how to reconfigure an ordinary buck regulator to generate a negative output voltage rail from a positive input voltage rail. The result is an inverting buck-boost topology implementation.
document-pdfAcrobat PDF
Application note
Application note
Inverting Application for the TPSM5601R5H
This application report demonstrates how to take a standard DC/DC buck module and reconfigure it for an inverting application.
document-pdfAcrobat PDF
Application note
Application note
Using the TPSM5360x for an Inverting Buck-Boost Application
This application report shows how the conventional evaluation board for the TPSM53604 can be configured for an inverting buck boost (IBB) application to produce a negative output voltage. 
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 (...)

Reference designs related to Buck-boost & inverting modules (integrated inductor)

Use our reference design selection tool to find designs that best match your application and parameters.