AC/DC & DC/DC converters (integrated FET)

Optimize power conversion with our portfolio of converters for a wide range of power topologies.

parametric-filter檢視所有產品
Because DC/DC step-down (buck) converters feature a controller with one or more integrated FETs and an external inductor, they offer a balance of flexibility and ease of use. Browse our comprehensive portfolio of DC/DC buck converters and leverage corresponding design tools to address power-supply design challenges for any application.

依類別瀏覽

Select by topology

Step-down (Buck)

Because DC/DC step-down (buck) converters feature a controller with one or more integrated FETs and an external inductor, they offer a balance of flexibility and ease of use.

Step-up (Boost)

Our low-power boost converters support your need for small solution size, low system cost and high power density.

Buck-boost, inverting & split rail

Our buck-boost, inverting and split-rail converters integrate FETs to reduce component count in your system and simplify your board design.

Isolated

Easily generate one or more isolated positive and negative supplies using a small number of external components. An optocoupler is not required, and devices can be used for isolated applications.

Charge pumps (inductorless)

Our easy-to-use charge pumps offer the industry's smallest solution size and highest performance. They are ideal for low-power industrial, personal electronics and telecommunications applications.

Featured converters

新產品

parametric-filter 檢視所有新產品
TPSM8S6B24S
NEW
AC/DC & DC/DC converters (integrated FET)
TPSM8S6B24S 現行

具有延伸安全性的 4V 至 16V 輸入 25A 4x 可堆疊 PMBus® 電源模組

約略價格 (USD) 1ku | 13

TPS54KB20
NEW
AC/DC & DC/DC converters (integrated FET)
TPS54KB20 現行

4-V 至 16-V 輸入、25-A 遠端感測同步降壓轉換器

約略價格 (USD) 1ku | 1.51

TPS54KC23
NEW
AC/DC & DC/DC converters (integrated FET)
TPS54KC23 現行

4-V to 16-V input, 30-A, remote sense, synchronous step-down converter

約略價格 (USD) 1ku | 1.75

LMR66420-Q1
NEW
AC/DC & DC/DC converters (integrated FET)
LMR66420-Q1 現行

具 1.5uA IQ 與低 EMI 的車用、36V、2A 同步降壓轉換器

約略價格 (USD) 1ku | 1.35

LMR66430-Q1
NEW
AC/DC & DC/DC converters (integrated FET)
LMR66430-Q1 現行

具 1.5uA IQ 與低 EMI 的車用、36V、3A 同步降壓轉換器

約略價格 (USD) 1ku | 1.395

LMR66430
NEW
AC/DC & DC/DC converters (integrated FET)
LMR66430 現行

具 1.5uA IQ 與低 EMI 的 36V、3A 同步降壓轉換器

約略價格 (USD) 1ku | 1.23

parametric-filter 檢視所有新產品

Power trends

Power density

More power, less board space. In addition to being a trend in applications across all markets, it is also one of the key benefits of using a step-down module. Buck modules feature an integrated inductor and FETs to not only minimize power supply size, but also simplify design and help get customers to market faster. On the inside, the centerpiece of each module is a high-efficiency buck regulator surrounded by a layout optimized for thermal performance.  

High-density power modules are a great choice for powering high-current digital loads like FPGAs and processors. Use our processor-attach tool to find the best power supply devices to surround your FPGA or processor. 

parametric-filter Find all power density buck modules arrow-right Find PMICs for processors and FPGAs
White paper
Benefits and trade-offs of various power-module package options
This white paper discusses a few package options – embedded, leaded and QFN – and the benefits and trade-offs of each in terms of module size, component integration, thermal performance and EMI considerations.
PDF
Application note
Practical Thermal Design With DC/DC Power Modules (Rev. A)
This application note outlines a design procedure to quickly estimate the minimum required copper area on the PCB for a successful thermal design with DC/DC power modules.
PDF
White paper
Enabling Small, Cool and Quiet Power Modules with Enhanced HotRod™ QFN Packaging
Learn how our enhanced HotRod™ QFN package technology enables engineers to address design challenges and take advantage of more efficient, cooler and quieter devices in their designs. 
PDF
Featured products for power density
TPSM82866A 現行 採用 3.5-mm x 4-mm QFN 封裝，且具有整合式電感器的 2.4-V 至 5.5-V 輸入、6-A 薄型降壓電源模組
TLVM13630 現行 高密度、3-V 至 36-V 輸入、1-V 至 6-V 輸出、3-A 降壓電源模組
TPSM5D1806 現行 4.5-V 至 15-V 輸入、雙路 6-A、單路 12-A 輸出電源模組
Low EMI

Mitigating power-supply EMI can be a major challenge for many power-supply designers, so why not make it as simple as possible? With a high level of integration and an internal layout optimized to minimize noise, buck modules are an excellent choice to save design time and help you comply with difficult standards like CISPR 22 Class-B. Take a look below at some of our latest and best DC/DC step-down modules for EMI performance. 

parametric-filter Find all low-EMI buck modules arrow-right Explore our EMI training hub
White paper
Simplify low EMI design with power modules
Learn how the tight integration of a power module helps to not only increase power density, but also simplify EMI design. 
PDF
影片
Package optimization – HotRod™ and enhanced HotRod QFN packages
HotRod QFN or flip-chip on leadframe QFN packages eliminates the need for bondwires. See how you can use our HotRod QFN package technology to mitigate EMI issues, while additional enhancements can reduce your solution size. 
Application note
Further Optimizing EMI with Spread Spectrum
This application report will focus on understanding the noise origins,the effective construction of our power modules to help with noise reduction, and how the spread spectrum technique helps reduce EMI emissions.
PDF | HTML
Featured products for low EMI
TPSM63606 現行 採用 5-mm x 5.5-mm 強化型 HotRod™ QFN 封裝的高密度、36-V 輸入、1-V 至 16-V 輸出、6-A 電源模組
TPSM82810 現行 採用 3 x 4-mm μSIP 封裝且具有可調整頻率和追蹤功能的 2.75-V 至 6-V、4-A 降壓模組
LMZM23601 現行 採用 3.8-mm × 3-mm 封裝的 36-V、1-A 降壓 DC-DC 電源模組

技術資源

Selection guide
Selection guide
Buck Converter Quick Reference Guide (Rev. B)
Covering devices with input voltage up to 100 V and output current up to 40 A, this quick reference guide highlights our most popular buck converters across a wide variety of applications.
document-pdfAcrobat PDF
影片系列
影片系列
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. 
Selection guide
Selection guide
SWIFT DC/DC Converters Selector Guide (Rev. G)
Low on-resistance integrated MOSFETs, tight output voltage regulation accuracy, and an advanced feature-set allow SWIFT™ step-down converters to power the most advanced DSPs and FPGAs in the industry.
document-pdfAcrobat PDF

探索精選應用

HEV and EV
利用 TI 降壓穩壓器滿足 HEV 和 EV 的系統電源需求
Infotainment and cluster
利用 TI 降壓轉換器和控制器擴充車載資訊娛樂系統及儀錶板系統功能
Data center and enterprise computing
我們的 DC/DC 轉換器和電源模組可因應企業應用的功率密度和散熱設計挑戰

利用 TI 降壓穩壓器滿足 HEV 和 EV 的系統電源需求

設計工程師除了必須克服許多考慮因素之外，還必須嚴格控制成本和電路板空間。我們在設計和開發功率元件時就考慮到了這些挑戰。

  • 更高的操作溫度範圍。
  • 支援嚴格的電磁相容性標準，例如國際無線電干擾特別委員會 Class 5。
  • 廣泛的輸入電壓範圍，可應對大輸入瞬態狀況。
  • 提供有引線及無引線封裝。

特色資源

終端設備/子系統
產品
  • TPSF12C3 – 適用三相系統的共模主動 EMI 濾波器 (AEF)
  • LMR38020-Q1 – 車用 SIMPLE SWITCHER® 電源轉換器 4.2-V 至 80-V、2-A、同步降壓轉換器
  • LM5180-Q1 – 具有 100V、1.5A 整合式 MOSFET 的車用 65VIN 無光耦返馳式轉換器
技術資源
設計工具和模擬
  • LMR38020QEVM – LMR38020-Q1 評估模組 SIMPLE SWITCHER® 電源轉換器 80-V、2-A 同步降壓 40-µA IQ

利用 TI 降壓轉換器和控制器擴充車載資訊娛樂系統及儀錶板系統功能

當今的車載資通訊系統和儀錶板系統為現代駕駛提供資訊、娛樂和連線能力。展望未來，這些系統的功能應該只會繼續成長。這意味著在相同的物理空間內具有更強大的處理能力。爲了替這些新一代系統供電，電源轉換器需要在兩個關鍵方面表現出色。

  • 高輸出功率與封裝尺寸比，而且不會過熱。
  • 將傳導和輻射電磁干擾降至最低。

特色資源

終端設備/子系統
參考設計
  • PMP30670 – 適用於數位駕駛艙處理單元的汽車大範圍 VIN 前端參考設計
  • PMP22030 – 適用於車載資訊娛樂系統顯示器的高效、低熱、符合 CISPR 25 5 類標準電源參考設計
產品
  • LM61495-Q1 – 針對功率密度和低 EMI 進行最佳化的 10-A 車用降壓轉換器
  • TPS62813-Q1 – 具有固定 Fsw 和 SYNC 並採用 2 mm x 3 mm 可潤濕側翼封裝的車用 2.75V 至 6V、3A 降壓轉換器
  • TPS62873-Q1 – 車用 2.7-V 至 6-V 輸入、15-A、堆疊式同步降壓轉換器
技術資源

我們的 DC/DC 轉換器和電源模組可因應企業應用的功率密度和散熱設計挑戰

資料中心對於業務連續性和可靠通訊至關重要。我們的電源管理解決方案可在為高性能處理器供電時實現高可用性和高效率，同時提供穩壓電源。

  • 高效率、出色的熱性能和具有遙測功能的 PMBus 可讓資料中心保持涼爽，同時節省能源。
  • 快速瞬態響應可縮小輸出濾波器尺寸。
  • 高輸出電壓精度，可為最新的先進處理器供電。

特色資源

終端設備/子系統
產品
  • TPS54J061 – 4-V 至 16-V 輸入、6-A 同步降壓轉換器、600-mV 參考電壓和打嗝模式電流限制
  • TPS54KB20 – 4-V 至 16-V 輸入、25-A 遠端感測同步降壓轉換器
硬件開發
  • TPS546D24AEVM – 固定頻率同步降壓轉換器 2 相位評估模組
  • TPS54KB20EVM – TPS54KB20 降壓轉換器評估模組
  • TPS54J061EVM – 2.7-V 至 16-V、6-A 降壓轉換器評估板
技術資源
設計工具和模擬
軟體開發

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.
模擬工具
PSpice® for TI 設計與模擬工具
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 (...)
設計工具
最常用切換模式電源供應器的 Power Stage Designer™ 軟體工具

Power Stage Designer 為 Java 工具，可根據使用者輸入計算 21 種拓撲的電壓與電流，協助加快電源供應器設計。此外，Power Stage Designer 也包含 Bode 繪圖工具及具備各種功能的實用工具箱，讓電源供應器設計更加輕鬆。由於所有計算都能夠即時執行，因此是開始新電源供應設計最快速的工具。

  • 拓撲窗口 – 根據輸入參數提供拓撲資訊與元件波形
  • 迴路計算器 – 幫助決定不同拓撲的補償網路
  • 負載步進計算器 – 估算特定負載瞬態所需的最小輸出電容
  • 濾波器設計工具 – 幫助尋找不同差模濾波器的起點
  • FET 損耗計算機 – 比較不同 FET 的性能
  • 電容器電流共享計算機顯示 (...)

與AC/DC & DC/DC converters (integrated FET)相關的參考設計

使用我們的參考設計選擇工具，找出最適合您的應用和參數設計。

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