LTC9105 IEEE 802.3af/at/bt PoE PD Controller

Analog Devices LTC9105 IEEE 802.3af/at/bt Power over Ethernet (PoE) Powered Device (PD) Controller has input current, voltage, and power telemetry. The LTC9105 includes an I²C interface to read telemetry, power sourcing equipment (PSE) allocated power, auxiliary input status, and to write power input priority. The LTC9105 also features a configurable downstream power-up disable with under-power indication when the PSE allocated power is less than the PD requested power.