TPS259472LRPWR

Current Regulation/Management Overview

The TPS259472LRPWR is a hot-swap voltage controller and eFuse from the Texas Instruments TPS25947 series. It operates within an input voltage range of 2.7 V to 23 V, with a maximum absolute rating of 28 V. The device features an integrated back-to-back FET with a typical on-resistance of 28 mΩ and supports a continuous current limit up to 5.5 A. It utilizes a 10-pin VQFN-10 (HotRod) package measuring 2 mm by 2 mm. Key electrical parameters include a quiescent current of 445 µA and an operating temperature range from -40°C to +125°C.

Current Regulation/Management Feature Summary

• Integrated back-to-back FETs provide true reverse current blocking for ideal diode behavior in power multiplexing applications.
• Configurable overvoltage protection offers selectable clamping thresholds or adjustable lockout response times.
• Active current limiting with programmable transient blanking allows controlled inrush handling and load monitoring.
• Digital status outputs indicate fault conditions and power good states for system management.

Current Regulation/Management Applications

• Power multiplexing and OR-ing circuits
• Smart electricity meters
• USB-Type C systems requiring fast role swap
• Industrial equipment input protection

Current Regulation/Management Procurement Notes

Verify the specific suffix LRPWR against the manufacturer datasheet to confirm the exact tape-and-reel quantity and moisture sensitivity level. Ensure the ordering part number matches the required pin configuration and thermal pad specifications. Cross-reference the document revision date to ensure compliance with current RoHS standards and UL certification requirements before finalizing procurement.

Current Regulation/Management Selection Notes

Select this component when designing systems requiring robust protection against reverse polarity, overvoltage, and short circuits within a 23 V rail. The integrated back-to-back FET architecture eliminates the need for external discrete MOSFETs, reducing board space. Consider the 28 mΩ on-resistance for efficiency calculations and verify that the 5.5 A current limit aligns with the target load requirements.

Current Regulation/Management Part Context

This device belongs to the TPS25947 family of highly integrated circuit protection solutions. The series is designed to replace traditional fuses and discrete protection circuits. It provides a compact alternative for managing power rails in space-constrained environments while offering advanced diagnostic capabilities through digital interfaces and analog current monitoring outputs.

Current Regulation/Management Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same series. Verify functional equivalence regarding current limits and package dimensions before substitution.