KTA1137AEUAB-TR

Overview

The KTA1137AEUAB-TR is a single-chip CMOS solution for Power over Ethernet (PoE) Powered Devices, supporting IEEE 802.3af and 802.3at standards with up to 30W output power. It integrates a PoE controller and DC-DC converter in a 20-VQFN package. The device operates on input voltages from 9.5V to 57V, features a current limit of 730mA, and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates PoE PD controller and DC-DC conversion in a single chip
• Compliant with IEEE 802.3af/at standards
• Supports up to 30W output power

Applications

• Power over Ethernet Powered Device implementations
• Network infrastructure equipment requiring integrated power management
• Industrial IoT devices operating under IEEE 802.3at specifications

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape/reel configuration. Ensure compatibility with standard surface-mount assembly processes for QFN packages. Confirm that the selected variant meets all required environmental and electrical specifications for the target application before finalizing procurement.

Selection Notes

Select this component when designing systems requiring integrated PoE reception and voltage regulation without external discrete controllers. Consider the 20-VQFN footprint for space-constrained layouts. Evaluate thermal performance requirements given the 30W capability and operating temperature range to ensure adequate heat dissipation strategies are implemented.

Part Context

This part belongs to the Kinetic Technologies KTA1137A series, designed specifically for high-efficiency PoE applications. It simplifies design by combining classification, detection, and power delivery functions into one highly integrated CMOS solution, reducing bill-of-materials complexity for networked endpoints.

Replacement Considerations

Consult official Kinetic Technologies documentation for confirmed substitute part numbers. Cross-reference pinouts and electrical parameters carefully if considering alternative vendors or updated revisions.

FAQ

What IEEE standards does the KTA1137AEUAB-TR support?

It supports IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.

What is the maximum output power capability?

The device supports up to 30 Watts of output power.