Intelligent outdoor street lighting

Traditionally street lights were simple timer based solutions, but to further increase efficiency and reduce costs intelligent outdoor street lighting has increasingly becoming the norm. This enables lights to be automatically switched on and off depending on various sensor data - ambient light conditions, approaching vehicles or pedestrians, etc. While high pressure sodium vapor (HPS) lamps can still be found in many industrial and agricultural applications, to further reduce costs street lamps are increasingly switching to LED lamps. In addition street lamps can include functionality such as public WIFI, video surveillance, alarm detection, and 5G base stations.

Block diagram

Highlighted components are Nexperia focus products


  • 开始采用PWM驱动无刷直流电机控制
  • 电机驱动MOSFET必须以低RDSon和良好的热阻抗来满足峰值高电流需求
  • 如果过载情况会降低电池和栅极电压,则可能需要具有强线性模式性能的MOSFET来提供反向电池保护
  • MOSFET可能需要满足UL2595等的具体间距要求
  • 为小尺寸优化的电荷平衡MOSFET,通常装在可移动电池组中——每个电池一个

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