TPS25974ARPWR

Current Regulation/Management Overview

The TPS25974ARPWR is a hot-swap voltage controller from Texas Instruments designed for robust power distribution. It operates within a supply voltage range of 2.7 V to 23 V and supports up to 5.5 A of continuous load current. The device features an integrated low on-resistance switch with a typical value of 28 mΩ, minimizing conduction losses. It incorporates comprehensive protection mechanisms including programmable current limiting, thermal shutdown, and reverse current blocking. The component is housed in a compact VQFN-HR-10 package, suitable for surface-mount applications requiring high reliability.

Current Regulation/Management Feature Summary

• Integrates intelligent high-side N-channel MOSFET control with built-in fault detection capabilities
• Provides precise input under-voltage lockout with hysteresis and programmable over-voltage protection
• Features controlled output rise time to manage inrush current during system startup
• Supports remote enable functionality for flexible system-level power management

Current Regulation/Management Applications

• Industrial equipment power distribution modules
• Telecommunications infrastructure power systems
• Automotive electronic control units
• Server and storage backplane power rails

Current Regulation/Management Procurement Notes

Verify the specific suffix 'PWR' confirms the VQFN-10-HR package and tape-and-reel or cut-tape availability. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the required operating temperature range of -40°C to +125°C for your specific application environment.

Current Regulation/Management Selection Notes

Select this component when designing systems requiring reliable hot-swap capability with integrated protection against over-current and over-voltage conditions. It is appropriate for applications needing controlled inrush current management without external discrete components. Consider the 28 mΩ on-resistance for efficiency calculations and ensure adequate thermal dissipation for the chosen package type.

Current Regulation/Management Part Context

This part belongs to the TPS25947 series of hot-swap controllers, which are engineered for high-performance power management. The series offers integrated solutions for protecting sensitive loads in demanding environments. The TPS25974 variant specifically targets applications requiring robust fault handling and precise voltage regulation within a compact footprint.

Current Regulation/Management Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the same family. Verify electrical parameters such as current limit thresholds and on-resistance match before replacing.