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A6267KLPTR-T
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A6267KLPTR-T

  • Category:Controller controller
  • Product Name:Automotive high current LED controller
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:16-lead TSSOP
  • Stock Status:There is stock
  • Stock Quantity:3230
  • Minimum order quantity: 1
  • Details:点击查找A6267KLPTR-T的pdf资料
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  • Product introduction

A6267是直流-直流转换器controller,可提供可编程的恒流输出以驱动串联的高功率 LED。驱动串联的 LED 可确保相同的电流和统一的亮度。对于汽车应用,它能以高达 1 A 的电流驱动多达 15  个 LED,实现优化性能。

A6267 使用外置的逻辑水平 MOSFET 和最少量的附加外置元件,提供极具成本效益的解决方案。最大 LED 电流可通过单个外置感应电阻设置,且可以使用电流参考输入进行修改。直接 PWM 控制可以通过启用输入实现,而且还具有关机模式。

直流到直流转换器可配置为接地参考升压转换器,或供电参考升压转换器,以提供升降压能力。使用升降压拓扑结构可确保 LED 在关机时没有漏电路径和在启动时没有涌流。

整合诊断和双故障输出,可在出现欠压、芯片过热、输出开路、LED 短路和 LED 欠流时发出指示,且通过配置可以为 LED 连接提供电源短路和接地短路保护。具有独特的功能,可以检测一个或多个短路的 LED。

装置采用 16 引脚 TSSOP 封装(后缀 LP),并安装有外露散热板。其封装为无铅 (Pb) 产品,且采用 100% 雾锡电镀引脚框。

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  • 汽车高功率 LED 照明系统
  • 雾灯、倒车灯、白天行驶灯
  • 汽车前灯
    • AEC Q100 0 级汽车适用
    • 恒流 LED 驱动器
    • 6.5 至 50 V 电源电压
    • 升压或升降压模式
    • 驱动多达 15  个串联 LED
    • 可编程的开关频率为 100 至 700 kHz
    • LED 过压开路指示和保护
    • 单个和多个 LED 短路指示
    • LED 接地短路和供电保护
    • PWM 调光控制
    • 10 µA 关机电流(包括 LED 漏电)

andA6267KLPTR-TRelated ICs are:


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A6267KLPTR-T Allegro 15+ 16-lead TSSOP Automotive high current LED controller

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