Buck-boost, inverting & split-rail converters (integrated switch)

Efficient and small inverting, split-rail, or buck-boost converters with an integrated switch

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Our buck-boost, inverting and split-rail converters integrate FETs to reduce component count in your system and simplify your board design. For applications supplied by batteries, fixed rails or other voltage sources, we offer solutions to regulate the rails in your system or get the maximum life out of your battery. 

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Buck-boost

Converters intended to take input voltages from various battery chemistries, typically for portable personal electronics applications.

Inverting

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

Split-rail

Converters for common 12-V input applications such as communications infrastructure, enterprise computing or 12-V automotive systems.

TPS63901 NEW

5.5-V buck-boost converter with 75-nA operating IQ in WCSP package

Approx. price (USD) 1ku | 0.8
TPS55289 NEW

30-V, 8-A buck-boost converter with I²C interface

Approx. price (USD) 1ku | 3.35
TPS631000 NEW

1.5-A output current, high-power-density buck-boost converter

Approx. price (USD) 1ku | 0.63
TPS63807 NEW

2A,11-uA quiescent current buck-boost converter

Approx. price (USD) 1ku | 0.905

Technical resources

Technical article
Technical article
Ease power-supply design for USB Power Delivery applications with buck-boost converters
In this article you'll learn how to optimize USB PD charging capabilities by adding a buck-boost converter to your design.
White paper
White paper
Extending Battery Life in Smart E-Locks (Rev. A)
Learn more about new smart lock power architectures that increase battery life by reducing system standby power consumption.
document-pdfAcrobat PDF
Application note
Application note
Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B)
This application provides equations to calculate the power stage of a noninverting buck-boost converter built with an IC, with integrated switches and operating in continuous conduction mode.
document-pdfAcrobat PDF

Design & development resources

Evaluation board
TPS65132W Single Inductor Dual Output Power Supply Evaluation Module

The TPS65132 is designed to support positive / negative output voltage, for example to drive TFT-LCD panels up to 10” at least (from SFF to MFF like tablets). In this application the two output rails are usually connected to the Source Driver IC. The device uses a single inductor scheme in (...)

Evaluation board
TPS630250 DSBGA evaluation module 4-A switch buck-boost regulator

The TPS63025xEVM-553 enables test and evaluation of the Texas Instruments’ TPS63025 device family, a 2.5MHz (typ.) fully integrated buck-boost converter.

The TPS63025x devices are high efficient, low quiescent current devices in buck-boost topology. They are suitable for applications where the input (...)

Evaluation board
TPS55288 buck-boost converter EVM with 400kHz operation frequency

The TPS55288 is a synchronous buck-boost converter optimized for converting battery voltage or adaptor voltage into power supply rails.

The TPS55288 integrates two 16-A MOSFETs of the boost leg to balance the solution size and efficiency for USB Power Delivery (USB PD) application.

The TPS55288 has (...)

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