8-Port IEEE 802.3af/at PSE Controller for Power-over-Ethernet, TMI7608S P2P RTL8283B.
FEATURES

• IEEE 802.3af/at compliant

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

 Supplies 8 independent power ports 

 Supports DC Load-Removal Detections

 Built-in power FETs

 0.1Ω Sense embedded

 Up to 50W per Port for PSE Applications

 Wide temperature range: -40°C ~+85°C

 9-Bit Port Current and Voltage Monitoring

 I2C Bus to access up to 8 x TMI7608S devices

 Independent system parameters setting for every port

 Thermal monitoring and protection

 Built-in 3.3V regulators for external devices

 Built-in Power on Reset

 Configurations: 30W x 8ports

 Built-in LEDs control for multi-port use

 Built-in EEPROM interface for dumb application

 Overload LED

 Pin Selectable Detection Backoff Timer for ALT_A/B

 2-Event Pin-Select

 Support 24V low voltage application

 Pin Programmable Maximum Total current limit for 

  Smart power management. 

 Robust Short-Circuit Protection

 Space-Saving,56-Pin QFN (8mm x 8mm) Power Package

PIN CONFIGUTION
CROSS
RTL8283B RTL8283B.pdf

No.14050

FEATURES

资料完善中……

























PIN CONFIGUTION
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