Power over Ethernet (PoE) ICs are semiconductor components designed to enable the transmission of both power and data over Ethernet cables, eliminating the need for separate power supplies. These ICs are produced by various global companies, including Texas Instruments (USA), Microchip Technology (USA), Maxim Integrated (USA, now part of Analog Devices), and STMicroelectronics (Switzerland). They serve industries such as networking, telecommunications, industrial automation, and IoT by providing efficient power management solutions. Key products include PoE controllers, power sourcing equipment (PSE), and powered device (PD) controllers, which comply with IEEE 802.3af/at/bt standards. These ICs are widely used in devices like IP cameras, VoIP phones, and wireless access points.

PoE ICs