TPS2375 IEEE 802.3af PoE Powered Device Controllers | TI.com

TPS2375 (ACTIVE) IEEE 802.3af PoE Powered Device Controllers

 

Description

These easy-to-use 8-pin integrated circuits contain all of the features needed to develop an IEEE 802.3af compliant powered device (PD). The TPS2375 family is a second generation PDC (PD Controller) featuring 100-V ratings and a true open-drain, power-good function.

In addition to the basic functions of detection, classification and undervoltage lockout (UVLO), these controllers include an adjustable inrush limiting feature. The TPS2375 has 802.3af compliant UVLO limits, the TPS2377 has legacy UVLO limits, and the TPS2376 has a programmable UVLO with a dedicated input pin.

The TPS2375 family specifications incorporate a voltage offset of 1.5 V between its limits and the IEEE 802.3af specifications to accommodate the required input diode bridges used to make the PD polarity insensitive.

Additional resources can be found on the TI Web site www.ti.com.

Features

  • Fully Supports IEEE 802.3af Specification
  • Integrated 0.58-Ω, 100-V, Low-Side Switch
  • 15-kV System Level ESD Capable
  • Supports Use of Low-Cost Silicon Rectifiers
  • Programmable Inrush Current Control
  • Fixed 450-mA Current Limit
  • Fixed and Adjustable UVLO Options
  • Open-Drain, Power-Good Reporting
  • Overtemperature Protection
  • Industrial Temperature Range: –40°C to 85°C
  • 8-Pin SOIC and TSSOP Packages
  • APPLICATIONS
    • VoIP Phones
    • WLAN Access Points
    • Security Cameras
    • Internet Appliances
    • POS Terminals

Parametrics

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Part number Order Vin (Min) (V) Vin (Max) (V) PoE current limit (Min) (mA) PoE inrush limit (Typ) (mA) rDS(on) per FET (Typ) (mOhms) PoE standards supported PD power level DC/DC control Fault response Features Package Group Package size: mm2:W x L (PKG)
TPS2375 Order now 0     57     405     Programmable     580     802.3at Type 1 (802.3af)     13W     PD Only     Latch     PG
Programmable UVLO
Thermal Shutdown    
SOIC | 8
TSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
TPS2375-1 Order now 0     57     405     Programmable     580     802.3at Type 1 (802.3af)     13W     PD Only     Auto Retry     PG
Programmable UVLO
Thermal Shutdown    
TSSOP | 8     8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
TPS2376 Order now 0     57     405     Programmable     580     802.3at Type 1 (802.3af)     13W     PD Only     Latch     PG
Programmable UVLO
Thermal Shutdown    
SOIC | 8
TSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
TPS2376-H Order now 0     57     625     Programmable     580     802.3at Type 1 (802.3af)     13W
25W    
PD Only     Auto Retry     PG
Programmable UVLO
Thermal Shutdown    
SO PowerPAD | 8     8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8)    
TPS2377 Samples not available 0     57     405     Programmable     580     802.3at Type 1 (802.3af)     13W     PD Only     Latch     PG
Programmable UVLO
Thermal Shutdown    
SOIC | 8
TSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
TPS2377-1 Samples not available 0     57     405     Programmable     580     802.3at Type 1 (802.3af)     13W     PD Only     Auto Retry     PG
Programmable UVLO
Thermal Shutdown    
SOIC | 8     8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)