Texas Instruments TPS2378
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.| Part No. | TPS2378 |
|---|---|
| Datasheet | TPS2378 Download |
| Manufacturer |  Texas Instruments |
| Description | IEEE 802.3at PoE High-Power PD Interface |
| Buy | Stock & Price |
FEATURES
●1 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
● PowerPAD™ 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 (SLVA625) 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 PowerPAD™ package, enables this controller to continuously handle up to 0.85 A. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS2378 HSOP (8) 4.89 mm × 3.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical App...
