以太网供电 (PoE) 是一项广泛用于通过RJ-45电缆传送数据和电力的技术。
意法半导体在受电设备 (PD) 端提供PoE应用解决方案，符合最新的IEEE 802.3at规范（通常称为PoE+）以及原IEEE 802.3af (PoE) 规范要求。
PM880x系列集成了PoE接口和电流模式PWM控制器，有助于显著简化所有用电设备电源部分的设计。PoE 接口含有满足通信标准所需的所有功能，包括检测、分类、欠压锁定 (UVLO) 和浪涌电流限制。
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