意法半导体的单片式降压开关稳压器提供了高达55 V的输入电压能力和高达4 A的输出电流，并且具有开关频率高的特点。 它们为驱动高亮度LED提供了简单、高效且经济的解决方案。 它还具有专用调光电路。
3A LED driver with integrated DC-DC converter for automotive applications
The new ALED6000 is a single-chip automotive LED driver with integrated DC/DC converter designed to source up to 3 A on a single strip LED and to operate with a wide input-voltage range of 4.5V to 61V, which makes it the ideal choice for automotive systems.
Housed in a HTSSOP16 Package, the ALED600 is suitable for exterior lighting such as daytime running lights, headlights, rear lights, stop lights, and turn signals, as well as interior lighting.
Evaluation board is also available to help developers consolidate their designs STEVAL-ILL089V1.
LED5000 - 宽范围亮度控制与高设计灵活性
LED5000为单片式降压开关调节器，专为驱动长线LED设计，输入电压范围为5.5到48 V，输出电流最大3A，反馈电压极低（200 mV)。
它内嵌有高性能PWM电路用以调节LED亮度。具有最高的设计灵活性，可实现降压-升压（正或负）或浮动升压等其它拓扑
主要优势
• 高精度调光能力
• 高设计灵活性
主要用途
• 汽车LED照明
• 建筑照明
• 替换卤素灯泡
- L5983 最高1.5 A步降开关稳压器
- L5973AD 最高1.5 A步降开关稳压器
- L5986 2.5 A步降开关稳压器
- L5985 最高2 A步降开关稳压器
- ALED6000 Automotive 3A single channel LED driver with integrated DC-DC converter
- L5987 3 A步降开关稳压器
- L5970AD 最高1 A步降开关稳压器
- L5988D 支持同步整流的4 A连续（5 A以上脉冲）步降开关稳压器
- L5980 最高0.7 A步降开关稳压器
- LED5000 具有调光功能的3 A单片式降压电流源
- L5981 最高1 A步降开关稳压器
- LED2001 支持同步整流的4 A单片式降压电流源
- A5975D 最高3 A的降压开关稳压器，用于汽车应用
- A5975AD 最高2.5 A的降压开关稳压器，用于汽车应用
- ST1CC40 3 A、850 KHz单片式同步步降恒定电流LED驱动器
- L5973D 最高2 A步降开关稳压器
- L5972D 最高1.5 A步降开关稳压器
- L7981 3 A步降开关稳压器
- L7980 2 A步降开关稳压器
- L7986TA 3A步降开关稳压器
- LED2000 支持同步整流的3 A单片式降压电流源
- LED6000 具有调光功能的3 A、61 V单片式电流源
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
Power Supply Design Tool
SMPS design, by topology, by type and by product PFC design with analog and digitial control Supports various PCB configurations 
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 
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