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直流-直流开关式转换器

概述
产品选择器
解决方案
文件
CAD资源
工具与软件
eDesignSuite

ST’s monolithic DC-DC switching regulators offer input-voltage capability up to 61 V, buck converters able to deliver output currents up to 6 A, and high switching frequency up to 2.3MHz.

DC-DC switching regulator

 The broad portfolio of ICs is composed of highly-specialized products to meet every market requirement and power management needs: high voltage technology, together with high reliability and robustness for industrial and automotive, compactness and high efficiency for consumer applications.

These switched-mode power supply devices embed a full set of protection functions (overcurrent, overvoltage, over-temperature) to increase the MTBF and reduce the number of external components needed for power conversion. There are multiple package options, all offering compactness and high thermal performances to fit different applications.

ST also has a unique and fully isolated, resonant, single-stage direct conversion from 48 V straight to the Point-of-Load (PoL), CPU/DDR in full compliance to Intel VR13 and VR12.5 specifications, and a fully scalable solution able to manage up to 6 interleaved cells with dynamic cell shedding and pulse skipping.

  

 

适用于SMPS和模拟IC的电气模拟软件,速度极快且功能强大
The ST1PS01, a nano-quiescent step-down converter
The A7987, a flexible automotive buck converter with a smart bootstrap
Read more on our blog

用于USB功率传输的新型可编程降压转换器

STPD01可编程同步降压转换器,适合USB功率传输应用。该设备根据USB PD 3.0规范提供USB功率传输系统所需的电压,最高输出功率可达60 W(20V,3A),包括必要的电缆压降补偿电路。

采用QFN24L 3 x 4 mm2封装的STPD01内嵌可编程看门狗以提高整个系统的稳定性和安全性,并提供过电压、过电流和超温保护

可通过I2C接口动态设置不同的输出电压和电流限制值。

可使用评估板,以支持开发人员的设计工作。
STEVAL-2STPD01

38 V 1.5 A / 2 A降压转换器,具有低静态电流

新款L6981L6982是一种易于使用的调节器,能够跨所有负载提供高效性能。较宽的输入电压范围(3.5 V - 38V)还使其成为面向24 V工业总线供电系统、HVAC电源、电池供电设备、分散式智能节点和智能传感器等始终开启设备的理想解决方案。

另外,L6981(1.5 A)和L6982(2 A)基于峰值电流模式架构,采用SO8封装,带内部补偿功能,有助于降低最终产品的设计复杂性和整体尺寸。

可使用评估板,以支持开发人员的设计工作。

STEVAL-L6981CDRSTEVAL-L6981NDR

STEVAL-L6982CDRSTEVAL-L6982NDR

60 V 300 mA降压转换器,具有10 uA静态电流

意法半导体新推出的L7983是一款紧凑型同步降压转换器,具有低噪声特性和低功耗模式,能够满足噪声敏感型应用要求,并在轻负载下实现最高效率。

L7983具有很宽的输入电压范围,可以在电压范围为12 - 24 V的工业总线上运行,具有很高的安全余量。它也适用于电池供电型应用、工业自动防故障系统、分布式智能节点、家电、机器人和(利用易于使用的低噪声模式的)精确传感应用。

基于L7983的电源和转换器解决方案评估板也可以供货

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Choose design tool:

Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
Choose type:
DC/DC
AC/DC
太阳能电池充电器

LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC

Digital Power Workbench

Provides a step-by-step optimized design of power section and control loop
Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node