DC/DC controllers

Flexible and cost-effective DC/DC regulator solutions for high-power, thermally-demanding applications.

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TI offers DC/DC controllers to support buck (step-down), boost (step-up) and buck-boost topologies. Paired with external FETs or power-stages, these controllers can offer flexible, high-efficiency, cost-effective and thermally robust DC/DC regulation for high-power applications and are backed by WEBENCH® design tools, reference designs and global supply chain reliability.

Browse by topology

Buck (step-down) DC/DC controllers

Drive external FETs or power-stages to step-down (buck) from a high input DC voltage to a regulated low-output DC voltage.

Boost (step-up), buck-boost & SEPIC controllers

Drive external FETs or power stages to step-up (boost)from a low input DC voltage to a regulated high output DC voltage, or, you can either step-down or step-up with a buck-boost controller.

Multiphase DC/DC controllers

Drive power stages in a multiphase configuration to step-down (buck) from a mid input DC voltage to a regulated low-output DC voltage and supporting Intel SVID, AMD SVI3, AVSBus, and PMBus protocols.

LM25190-Q1
DC/DC controllers

Automotive, 42V synchronous buck controller with constant current and constant voltage regulations

价格约为 (USD) 1ku | 1.455

LM25137F
DC/DC controllers

支持 100% 占空比的 42V 双通道功能安全同步降压控制器

价格约为 (USD) 1ku | 1.529

LM51261A-Q1
DC/DC controllers

具有 VOUT 跟踪和 I2C 的汽车级 42V 输入电压、2.2MHz 单相升压控制器

价格约为 (USD) 1ku | 1.652

LM5126A-Q1
DC/DC controllers

具有 VOUT 跟踪的汽车级 42V 输入电压、2.2MHz 单相升压控制器

价格约为 (USD) 1ku | 1.652

LM51251A-Q1
DC/DC controllers

具有 VOUT 跟踪和 I2C 的汽车级 42V 输入电压、2.2MHz 双相升压控制器

价格约为 (USD) 1ku | 2.478

LM5190-Q1
DC/DC controllers

具有恒流和恒压调节功能的汽车级、80V 同步降压控制器

价格约为 (USD) 1ku | 2.292

技术资源

视频
视频
Wide-input voltage DC/DC controller and converter
This course, focused on e-bikes, will introduce you to how TI's power management chip can be applied to e-bikes circuits design, and the benefits of using TI chips. 
视频系列
视频系列
Power fundamentals - buck regulator architectures
This series provides an overview of buck regulator architectures, including: multiphase, hysteretic, COT, current or emulated current mode, and voltage mode. 
视频
视频
Power Tips: Buck-Boost using a buck controller
In Power Tip #5 Robert Kollman talks about how to make a buck-boost using a buck controller.

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
PSpice® for TI 设计和仿真工具
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 (...)

与DC/DC controllers相关的参考设计

使用我们的参考设计选择工具,找到最适合您应用和参数的设计。