TPS23757PWR

Overview

The TPS23757PWR is a high-efficiency Power over Ethernet (PoE) interface and DC/DC controller designed for Powered Devices (PD). It complies with IEEE 802.3at standards, supporting Type 1 and Type 2 power levels up to 13W output. The device operates within a supply voltage range of 0V to 57V and features a maximum on-resistance of 800 mOhms. It includes a current limit of 400 mA and a maximum duty cycle of 78%. Operating temperatures span from -40°C to +125°C. The component is housed in a TSSOP-20 package and draws a typical operating supply current of 920 uA.

Feature Summary

• Integrated PoE interface and DC/DC controller for high-efficiency powered device designs
• Supports IEEE 802.3at Type 1 and Type 2 classifications
• Includes primary side adapter priority and thermal shutdown protection

Applications

• IEEE 802.3at compliant Powered Device implementations
• High-efficiency PoE interface circuits
• DC/DC conversion stages in networked equipment

Procurement Notes

Verify the suffix 'PWR' corresponds to the specific tape-and-reel packaging configuration required for your assembly line. Confirm that the TSSOP-20 package dimensions align with your PCB footprint design. Ensure compliance with RoHS directives as indicated in the product specifications. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability.

Selection Notes

Select this component for applications requiring integrated PoE classification and DC/DC control in a compact form factor. The wide input voltage range accommodates standard PoE power sourcing equipment variations. Consider the thermal performance requirements given the operating temperature range and power dissipation characteristics inherent to the TSSOP-20 package.

Part Context

This part belongs to the Texas Instruments TPS2375 series of power switch ICs. It is specifically categorized under PoE/LAN interface controllers. The device serves as a key component in modern network infrastructure, enabling efficient power delivery over Ethernet cables while managing local DC/DC conversion tasks for downstream circuitry.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing system designs before considering alternative components from other manufacturers or different series within the same family.