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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 8SOPWR
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：12.95 W
- Internal Switch(s)：Yes
- Auxiliary Sense：No
- Standards：802.3af (PoE)
- Voltage - Supply：0V ~ 57V
- Current - Supply：240µA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-PowerSOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO PowerPad
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Overview
The TPS2376DDAR-H is a Powered Device (PD) controller compliant with the IEEE 802.3af standard, designed for high-power Power over Ethernet applications. It operates within a supply voltage range of 0 V to 57 V and supports an output power capability of 12.95 W. The device features a maximum current limit of 625 mA and a maximum on-resistance of 1 Ohm. It functions reliably across a temperature range of -40°C to +85°C. The component utilizes a SO-PowerPad-8 surface-mount package and draws a typical operating supply current of 240 uA.
Feature Summary
- Complies with IEEE 802.3af standards for Powered Devices
- Integrates internal FETs to reduce system thermal losses
- Includes programmable current limiting with fault protection
- Supports automatic retry functionality for simplified startup
Applications
- IP surveillance cameras
- WiMAX access point equipment
- Conference IP telephones
- Industrial medical devices
Procurement Notes
Verify the specific suffix 'H' against the manufacturer's official documentation to confirm exact revision or environmental compliance status. Ensure the SO-PowerPad-8 footprint matches your PCB design constraints. Confirm that the 625 mA current limit meets your application requirements rather than assuming generic family capabilities.
Selection Notes
Select this component when designing IEEE 802.3af Powered Devices requiring integrated power switching and control. The SO-PowerPad-8 package offers thermal advantages for compact designs. Consider the 625 mA current limit and 12.95 W output power as primary selection criteria for low-to-medium power PoE endpoints.
Part Context
The TPS2376-H series represents Texas Instruments' solution for high-power PoE applications, enabling devices to draw more power than standard limits without AC wiring. This controller integrates essential safety features like thermal shutdown and ESD protection, reducing external component count compared to discrete solutions.
Replacement Considerations
The TPS2370PWR is listed as a potential replacement; however, it is marked as Not Recommended for New Designs (NRND). Verify compatibility carefully if substituting.
