TPS25944LRVCR

Current Regulation/Management Overview

The TPS25944LRVCR is a single-channel hot-swap voltage controller and eFuse from Texas Instruments, housed in a 20-pin WQFN package. It supports an input voltage range of 2.7 V to 18 V with an on-resistance of 42 mΩ. The device provides adjustable current limiting between 0.6 A and 5.2 A. Key electrical parameters include a quiescent current of 210 µA and an operating temperature range from -40°C to +125°C.

Current Regulation/Management Feature Summary

• Integrates power path control with precise current limiting for robust circuit protection
• Features programmable soft-start to manage inrush currents during power-up sequences
• Includes comprehensive fault detection mechanisms such as overvoltage, undervoltage, and thermal shutdown

Current Regulation/Management Applications

• Server and storage backplane power distribution
• Industrial equipment input power modules
• Telecommunications infrastructure power systems

Current Regulation/Management Procurement Notes

Verify the specific suffix 'LRVCR' against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure compatibility with system voltage requirements within the 2.7 V to 18 V operational window. Confirm that the 42 mΩ on-resistance meets thermal dissipation constraints for the intended load current.

Current Regulation/Management Selection Notes

Select this component when a single-channel solution with integrated eFuse capabilities is required for high-reliability applications. The adjustable current limit allows customization for various load profiles. Consider the WQFN-20 package for space-constrained designs requiring efficient heat dissipation and surface-mount assembly.

Current Regulation/Management Part Context

This device belongs to the TPS25944 family of hot-swap controllers designed for protecting downstream circuits from power supply faults. It serves as a critical interface between the power source and the load, ensuring safe insertion and removal of cards or modules without disrupting system operation.

Current Regulation/Management FAQ

What is the maximum input voltage supported by the TPS25944LRVCR?

The device supports a maximum input voltage of 18 V.

Does the TPS25944LRVCR include thermal protection?

Yes, it features thermal shutdown protection to prevent damage during overheating conditions.