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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：25.5 W
- Internal Switch(s)：No
- Auxiliary Sense：Yes
- Standards：802.3at (PoE+), 802.3af (PoE)
- Voltage - Supply：23V ~ 60V
- Current - Supply：2mA (Max)
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
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Overview
The LT4275BHMS#TRPBF is a Powered Device (PD) controller from the LT4275 family, designed for IEEE 802.3 and LTPoE++ applications. It operates with an input voltage range of 9V to 60V and supports DC to DC conversion topologies. The component facilitates power delivery solutions, such as 25W PD configurations utilizing auxiliary inputs like 12VDC or 24VAC. It is housed in a surface-mount package suitable for integration into network infrastructure.
Feature Summary
- Supports proprietary LTPoE++ classification schemes for enhanced power negotiation
- Pin-for-pin compatible across the IEEE 802.3 and LTPoE++ PD controller family
- Enables integrated powered device solutions with auxiliary input capabilities
Applications
- IEEE 802.3af/at/bt Powered Device implementations
- LTPoE++ Powered Device designs
- Network infrastructure equipment requiring high-power PD control
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches the exact BHMS variant for correct pinout and thermal characteristics. Cross-reference with official datasheets to validate compliance with intended application standards before procurement.
Selection Notes
Select this component for designs requiring compatibility with both standard IEEE 802.3 and LTPoE++ protocols. Consider the 9V to 60V input range and available auxiliary input options for system architecture. Verify that the DFN-10 package fits the PCB layout constraints. Ensure the design supports the required power levels associated with the BHMS variant.
Part Context
The LT4275BHMS#TRPBF belongs to the LT4275 series of Powered Device controllers by Analog Devices. This family provides pin-compatible solutions for various PoE standards. The BHMS designation specifies the particular performance grade and package type within this lineup, distinguishing it from other variants like AHMS or CHMS.
Replacement Considerations
LT4275AHMS#TRPBF and LT4275CHMS#TRPBF are pin-compatible members of the same family. Verify if the specific classification features of the BHMS variant are required or if alternative family members suffice.
