UC3914DW

Overview

The UC3914DW is a single-channel hot swap voltage controller manufactured by Texas Instruments. It operates within a supply voltage range of 5 V to 35 V and draws a typical operating current of 20 mA. Designed for commercial temperature applications, it functions between 0°C and +70°C. The device is housed in an SOIC-18 surface-mount package and includes power failure detection capabilities.

Feature Summary

• Provides integrated protection for hot swap insertion and removal scenarios
• Includes built-in power failure detection functionality

Applications

• Server backplane power distribution systems
• Telecommunications equipment power modules
• Industrial control system power interfaces

Procurement Notes

Verify the End-of-Life status before procurement as discontinuance notifications exist. Confirm RoHS compliance details and moisture sensitivity levels during sourcing. Ensure the SOIC-18 footprint matches design requirements. Validate that the commercial temperature range meets operational needs.

Selection Notes

Select this component for single-rail hot swap applications requiring integrated fault protection. Consider the SOIC-18 package size for board space constraints. Verify compatibility with the specific bus voltage requirements within the 5 V to 35 V operating window.

Part Context

This part belongs to the UC3914 series of hot swap controllers from Texas Instruments. It serves as a specialized power management IC designed to protect circuits during live insertion events. The device integrates essential control logic for safe power sequencing.

Replacement Considerations

No public confirmed substitute part numbers are available.