·IEEE 802.3af/at compliant 

·Single DC power supply voltage input (44~57V) 

·Supplies 4 independent power ports 

·Supports DC Load-Removal Detections 

·Built-in power FETs 

·0.1Ω Sense embedded 

·Wide temperature range: -40°C ~+85°C 

·9-Bit Port Current and Voltage Monitoring 

·I 2C Bus to access up to 8 x TMI7604R devices 

·Independent system parameters setting for every port 

·Thermal monitoring and protection  Built-in 3.3V regulators for external devices 

·High Power Beyond Standard Supported with Additional Classification (Class 5) when Needed.Up to 50W per Port 

·Configurations: 30W x 4ports 

·Built-in LEDs control for multi-port use

·Built-in EEPROM interface for dumb application 

·Direct or Shift Overload LED 

·Pin Selectable Detection Backoff Timer for ALT_A/B 

·2-Event Pin-Select 

·Pin Programmable Maximum Total current limit for Smart power management. 

·Robust Short-Circuit Protection 

·Space-Saving,48-Pin QFN (7mm x 7mm) Power Package