TPS2383BPMRG4

Overview

The TPS2383BPMRG4 is an eight-channel Power over Ethernet (PoE) controller compliant with the IEEE 802.3af standard, manufactured by Texas Instruments. Designed for use as a Powered Device (PD) controller, it integrates essential functions for power negotiation and management within a single integrated circuit. The device operates within a supply voltage range of 3V to 3.6V for logic and 44V to 57V for the PoE interface. It supports a maximum channel power of 15.4 W per port and features an internal switch architecture. The component is housed in a 64-LQFP package measuring 10x10 mm, suitable for surface mount installation, and is rated for operation across a temperature range of -40°C to 85°C.

Feature Summary

• Supports eight independent PoE channels compliant with IEEE 802.3af standards
• Integrates classification, negotiation, and power management logic for powered devices
• Features a compact 64-pin LQFP surface-mount package design

Applications

• High-density IP camera systems requiring multiple powered endpoints
• Wireless access point infrastructure supporting 802.3af PDs
• Industrial control panels utilizing PoE-powered sensors and actuators

Procurement Notes

Verify current availability status as the TPS2383BPMRG4 may be discontinued or subject to limited distribution. Confirm that the specific suffix matches the required package and environmental specifications. Ensure compatibility with existing board layouts due to the fixed 64-LQFP footprint. Review official documentation for any obsolescence notices or recommended replacement parts before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring multiple IEEE 802.3af powered device connections within a constrained space. The integrated controller reduces external component count compared to discrete solutions. Verify that the system power budget aligns with the 15.4 W per channel limit. Consider thermal management requirements associated with the 64-LQFP package during high-load operations.

Part Context

This part belongs to the TPS2383 family of PoE controllers from Texas Instruments. It serves as a centralized solution for managing power delivery to multiple downstream devices in networked environments. The series is designed to simplify the implementation of complex PoE architectures by consolidating control logic into a single monolithic IC.

Replacement Considerations

The TPS2383BPMR is listed as a manufacturer-recommended alternative. Verify pinout compatibility and functional equivalence before substitution. Other variants within the TPS2383 family may offer different package options or feature sets.