This 8-pin integrated circuit contains all of the features needed to implement an IEEE802.3at type-2 powered device (PD). The low 0.5-Ω internal switch resistance, combined with the enhanced thermal dissipation of the PowerPAD? package, enables this controller to continuously handle up to 0.85 A.

• Adapter Priority Input

  
  

• DC/DC Converter Enable

  
  

• Operating Current up to 850 mA

  
  

• 15 kV and 8 kV System-level ESD Capability

  
  

  
  

  
  

  TPS2378DDAR Applications

  
  

  • IEEE 802.3at-compliant Devices 

    
    

  • Video and VoIP Telephones

    
    

  • Multiband Access Points

    
    

  • Security Cameras

    
    

    
    

    Lifecycle Status	ACTIVE (Last Updated: 4 days ago)
    Factory Lead Time	12 Weeks
    Mount	Surface Mount
    Package / Case	8-PowerSOIC (0.154, 3.90mm Width)
    Number of Pins	8
    Operating Temperature	-40°C~85°C
    Packaging	Tape & Reel (TR)
    JESD-609 Code	e4
    Pbfree Code	yes
    Part Status	Active
    Moisture Sensitivity Level (MSL)	2 (1 Year)
    Number of Terminations	8
    ECCN Code	EAR99
    Type	Controller (PD)
    Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
    Additional Feature	RESET THRESHOLD VOLTAGE IS 3.9V
    Max Power Dissipation	25.5W
    Voltage - Supply	0V~57V
    Terminal Position	DUAL
    Terminal Form	GULL WING
    Peak Reflow Temperature (Cel)	260
    Number of Functions	1
    Supply Voltage	1.4V
    Base Part Number	TPS2378
    Supply Voltage-Max (Vsup)	57V
    Power Supplies	40/57V
    Number of Channels	1
    Operating Supply Current	285μA
    Nominal Supply Current	500μA
    Adjustable Threshold	NO
    Internal Switch(s)	Yes
    Standards	802.3at (PoE+), 802.3af (PoE)
    Height	1.7mm
    Length	4.89mm
    Width	3.9mm
    Thickness	1.48mm
    Radiation Hardening	No
    RoHS Status	ROHS3 Compliant
    Lead Free	Lead Free