TPS2378DDAR Ethernet Switch IC POE / LAN PoE High-Pwr PD Interface
Brand Name:Ti
Model Number:TPS2378DDAR
Description:Power Over Ethernet Controller 1 Channel 802.3at (PoE+), 802.3af (PoE) 8-SO PowerPad
Maximum Operating Temperature:+ 85 C
Minimum Operating Temperature:- 40 C
Operating Supply Voltage:0 V to 57 V
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Shenzhen China
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Room 1204, DingCheng International Building, 518028 Futian District, SHENZHEN, CN
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Product Details
TPS2378DDAR Ethernet Switch IC POE / LAN PoE High-Pwr PD Interface
1 Features
- IEEE 802.3at Type-2 Hardware Classification with Status Flag
Adapter Priority Input
DC/DC Converter Enable
Robust 100 V, 0.5-Ω Hotswap MOSFET
Operating Current up to 850 mA
1-A (Typical) Operating Current Limit
15 kV and 8 kV System-level ESD Capability
PowerPADTM HSOP Package
2 Applications
IEEE 802.3at-compliant Devices
Video and VoIP Telephones
Multiband Access Points
Security Cameras
Pico-base Stations
Forced, Four-Pair, High Power Devices
3 Description
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 PowerPADTM package, enables this controller to continuously handle up to 0.85 A. The TPS2378 features an auxiliary power detect (APD) input, providing priority for an external power adapter. It also features a 100-V pass transistor, 140-mA inrush current limiting, type-2 indication, auto-retry fault protection, and an open-drain power-good output.
Device Information
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
| TPS2378 | HSOP (8) | 4.89 mm × 3.90 mm |
TPS2378DDAR Ethernet Switch IC POE / LAN PoE High-Pwr PD Interface
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