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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.
模拟工具
适用于 TI 设计和模拟工具的 PSpice®
PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)
设计工具
适用于常用开关模式电源的 Power Stage Designer™ 软件工具

Power Stage Designer 是一款基于 Java 的工具，可根据用户输入计算 21 种拓扑的电压和电流，有助于加快电源设计。另外，Power Stage Designer 包含波特图绘图工具和具有各种功能的实用工具箱，让电源设计更简单。这款工具可以非常快速地开始全新的电源设计，因为所有计算都是实时执行的。

  • “Topology”窗口 – 根据输入参数提供拓扑信息和元件波形
  • Loop Calculator – 有助于确定不同拓扑的补偿网络
  • Load Step Calculator – 估算指定负载瞬变所需的最小输出电容
  • Filter Designer – 可帮助开始设计差模滤波器
  • FET (...)

技术资源

应用手册
应用手册
如何通过 TPS55288 降压/升压转换器实现低 EMI
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
应用手册
应用手册
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
技术文章
技术文章
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.