Features
Supports IEEE 802.3AF and IEEE 802.3AT, including two-event classifications
MSCC extended auto and semi auto
Supports pre-standard PD detection
Supports Cisco device detection
Single DC voltage input (44 V to 57 V)
Wide temperature range: –10 °C to 85 °C
PD69104B1/F version covering –40 °C to 85 °C
Low-power dissipation (0.36 Ω sense resistor)
Drives independent 4/2-pairs power port
Supports Extended PoE Protocol and Register Map
Includes two selectable communication modes (I²C and UART)
Includes reset command pin integrated with an RPD/MRPD mechanism
Continuously monitoring port and system data
Parameter setting using input pins
Parameters setting from external serial EEPROM device
Built-in dynamic power management and emergency power management mechanisms with 3 x
power supply power-good pins
Power soft start mechanism
On-chip thermal protection
On-chip continual thermal monitoring
Voltage/current and temperature monitoring/protection
Built-in 3.3 V and 5 V regulators
Internal power on reset
MSL 3
RoHS compliant

Typical Application
The following illustration shows a typical application with a simple plug and play PoE solution for a single
Ethernet port, switch, or hub.
Plug the positive (POS) and negative (NEG) signals into the RJ45 switch jack.