TPS259570DSGR

Current Regulation/Management Overview

The TPS259570DSGRG4 is a hot-swap voltage controller and electronic fuse (eFuse) manufactured by Texas Instruments. It supports an input voltage range of 2.7 V to 18 V and delivers up to 4 A of output current with an on-resistance of 34 mΩ. The device operates within a junction temperature range of -40°C to +125°C and is housed in an 8-WSON package measuring 2x2 mm. This component provides comprehensive protection features including overcurrent, short-circuit, and overvoltage protection for load switching applications.

Current Regulation/Management Feature Summary

• Integrated eFuse functionality with low on-resistance for efficient power delivery
• Fast overvoltage protection mechanism to safeguard downstream loads
• Configurable current limit ranging from 0.5 A to 4 A
• Supports hot-swap operations with controlled ramp-up capabilities

Current Regulation/Management Applications

• Server and storage backplane power distribution
• Industrial equipment load switching
• Telecommunications infrastructure power management
• Consumer electronics board-level protection

Current Regulation/Management Procurement Notes

Verify the complete part number including the RG4 suffix to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Check for any product change notifications or assembly site updates that may affect component availability or physical characteristics.

Current Regulation/Management Selection Notes

Select this component when designing circuits requiring precise current limiting and fast fault response in high-density power architectures. Ensure the thermal design accommodates the power dissipation during fault conditions within the specified operating temperature range. Validate that the input voltage profile remains within the 2.7 V to 18 V operational window for reliable performance.

Current Regulation/Management Part Context

This device belongs to the TPS2595xx family of eFuses, designed for robust load protection in multi-rail systems. It integrates control logic, gate drivers, and protection circuitry into a compact surface-mount package. The series offers various current limit options and resistance values to suit different power distribution needs across industrial and computing platforms.

Current Regulation/Management Replacement Considerations

Compatible alternatives within the same family include TPS259571DSGR and TPS259530DSGR. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure that any replacement part meets the same voltage, current, and thermal specifications required by the original design.