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LED驱动器

高亮度LED驱动器（LED Driver）集成电路优化，用于高效驱动高亮度LED灯串。Maxim不断扩展该产品线，提供高效的开关拓扑(降压、升压、SEPIC)以及线性LED驱动产品。

通用照明

Maxim提供各种LED驱动芯片，用于通用的低压建筑照明系统。

浏览用于通用照明系统的高亮度LED驱动器。

汽车照明

目前，高亮度LED已普遍用于汽车照明，从汽车前灯到内部照明，再到娱乐终端的LCD背光。这些LED可由针对这类应用设计的开关型或线性架构的稳压器驱动。

浏览有关汽车应用开关电源的更多信息。
浏览所有设计用于LED驱动的线性稳压器。

显示器背光

针对背光应用设计的LED驱动器能够驱动一串或多串LED。

浏览用于小型显示器LED背光的LED驱动器。
浏览用于中型/大型显示器LED背光的LED驱动器。
带LED背光驱动器的电源器件 
浏览有关显示器背光LED驱动的全线产品。

投影仪

这些产品设计能够高效提供大电流驱动，理想用于投影仪设备。

浏览所有适用于投影仪的LED驱动器。

相机闪光灯

这些产品设计能够从电池电压提供瞬间大电流支持，理想用于相机闪光灯。

浏览所有适用于相机闪光灯的LED驱动器。

精选

产品线列表

新产品


MAX25600
Synchronous High Voltage 4 Switch Buck Boost LED Controller

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM for High-Brightness LED Driver, Saving Space and Reducing Cost
  • Wide Dimming Ratio allows High Contrast Ratio

MAX25615EVKIT
Evaluation Kit for the MAX25615

  • +4V to +16V Single Power-Supply Range
  • 7A Peak Sink Current
  • 3A Peak Source Current

MAX25615
7A Sink, 3A Source, 12ns, SOT23 MOSFET Drivers

  • Automotive Ready: AEC-Q100 Qualified
  • Independent Source and Sink Outputs
  • +4V to +15.5V Single Power-Supply Range

MAX25611D
Automotive High-Voltage, HB-LED Controller

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM for High-Brightness LED Driver
  • Flexible Application Configurations

MAX25611B
Automotive High-Voltage, HB-LED Controller

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM for High-Brightness LED Driver
  • Flexible Application Configurations

MAX25611C
Automotive High-Voltage, HB-LED Controller

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM for High-Brightness LED Driver
  • Flexible Application Configurations

MAX25611A
Automotive High-Voltage, HB-LED Controller

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM for High-Brightness LED Driver
  • Flexible Application Configurations

MAX25610A
Synchronous Buck and Buck Boost LED Driver / DC-DC Converter

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM to Save Space and Cost
  • Wide Dimming Ratio Allows High Contrast Ratio

MAX25610B
Synchronous Buck and Buck Boost LED Driver / DC-DC Converter

  • Automotive Ready: AEC-Q100 Qualified
  • Integration Minimizes BOM to Save Space and Cost
  • Wide Dimming Ratio Allows High Contrast Ratio

MAX21610
Automotive 16-Channel 100mA Local Dimming Backlight Driver with SPI Interface

  • High Integration
  • Robust and Low EMI
  • Relative Dimming Ratio Between Strings Up to 32768:1

MAX20444B
汽车应用4通道、130mA、背光照明驱动器，带Boost/SEPIC控制器和I2C接口

  • 宽电压工作范围
  • 高度集成
  • 高可靠、低EMI
  • 多种调光方法，支持使用DIM输入或I2C进行混合调光或PWM调光
    • 混合调光时的调光比大于10000:1
    • PWM调光时的调光比为10000:1 @ 200Hz
  • 完备的诊断
    • LED开路/短路检测和保护
    • Boost输出欠压和过压
    • Boost电压

    • 工具和模型

    工具

    技术文档

    参考设计

    培训和视频



    Introduction to the MAX20050-53 2A Synchronous Buck LED Drivers with Integrated MOSFETs
    04:47 min
    September 2018


    Introduction to the MAX20446 Automotive I2C 6-Channel 120mA Backlight Driver with Boost/SEPIC Controller
    6:22 min
    February 2018


    Introduction to the MAX20444B Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I2C Interface
    7:35 min
    February 2019


    Introduction to the MAX20069 Automotive 4 channel TFT Bias with 4 ch 150mA/ch LED driver
    6:46 min
    July 2018


    The Future of PoE LED Lighting
    1:35 min
    May 2015


    In the Lab: Bluetooth Control of Power-over-Ethernet Lighting
    2:20 min
    March 2015


    实验室：克服MR16 LED照明的闪烁问题
    5:13 min
    March 2015


    支持矩阵和像素照明的车用HB LED控制器
    2:54 min
    October 2018


    Introduction to the MAX21610 Automotive 16-Channel 100mA Local Dimming Backlight Driver with SPI Interface
    8:34 min
    January 2019


    Introduction to the MAX25611A MAX25611B Automotive High-Voltage HB LED Controller
    3:09 min
    March 2019


    Introduction to the MAX25615 7A Sink, 3A Source, 12ns, SOT23 MOSFET Drivers
    3:09 min
    March 2019