TPS2383PMG4

Overview

The TPS2383PMG4 is an eight-channel Power over Ethernet (PoE) controller compliant with the IEEE 802.3af standard, designed for use as a Powered Device (PD). It operates within a supply voltage range of 3V to 3.6V and supports input voltages from 44V to 57V. The device features a 64-LQFP package measuring 10x10 mm and supports a maximum power output of 15.4 W per channel. It functions within an operating temperature range of 0°C to 70°C and draws a supply current of 5mA.

Feature Summary

• Supports eight independent PoE channels compliant with IEEE 802.3af standards
• Integrates detection, classification, and control logic for powered devices
• Provides protection against reverse polarity and overvoltage conditions

Applications

• Network infrastructure equipment requiring multi-port PoE connectivity
• Industrial automation controllers utilizing IEEE 802.3af power standards
• Security systems including IP cameras and access control units

Procurement Notes

Verify component authenticity through authorized Texas Instruments distributors or certified partners. Confirm the specific suffix G4 indicates RoHS compliance and lead-free construction. Check datasheet revisions to ensure compatibility with current design requirements. Validate that the 64-LQFP package dimensions match your PCB footprint specifications exactly.

Selection Notes

Select this component when designing systems requiring multiple isolated PoE channels under the 802.3af specification. Ensure the application environment remains within the specified 0°C to 70°C operating temperature range. Verify that the system power budget accommodates the 15.4 W maximum power limit per channel. Confirm that the 44V to 57V input voltage range aligns with the network switch capabilities.

Part Context

This part belongs to the Texas Instruments TPS2383 family of PoE controllers. It serves as a specialized integrated circuit for managing power delivery in networked devices. The component integrates necessary control logic to interface directly with Ethernet PHYs and power switches, simplifying the design of complex multi-port powered devices.

Replacement Considerations

Consult official Texas Instruments documentation for verified direct replacements. Ensure any substitute maintains IEEE 802.3af compliance and identical pinout configurations. Verify thermal performance and package dimensions match the original 64-LQFP form factor.