TPS25944ARVCR

Current Regulation/Management Overview

The TPS25944ARVCR is a single-channel hot-swap voltage controller and eFuse power mux manufactured by Texas Instruments. It operates within an input voltage range of 2.7 V to 18 V and supports a continuous load current up to 5 A. The device features adjustable current limiting from 600 mA to 5.3 A, enabling precise protection for downstream circuits. It incorporates integrated reverse current protection and DevSleep support to manage system states efficiently. Designed for surface-mount installation, it utilizes a 20-WQFN package with exposed thermal pad. The component ensures reliable operation across an extended temperature range from -40°C to +125°C, making it suitable for demanding industrial and commercial applications requiring robust power management.

Current Regulation/Management Feature Summary

• Integrated reverse current protection prevents backflow into the source rail during fault conditions or power loss.
• DevSleep support enables low-power standby modes while maintaining fast wake-up capabilities for connected loads.
• Adjustable current limit allows customization of overcurrent protection thresholds to match specific load requirements.

Current Regulation/Management Applications

• PCI Express (PCIe) slot power management
• Industrial backplane power distribution
• Server and storage system hot-swap connectors

Current Regulation/Management Procurement Notes

Verify the exact suffix 'RVCR' against the manufacturer's official datasheet to confirm the specific tape-and-reel packaging quantity and moisture sensitivity level. Ensure the ordering part number matches the required operating temperature grade and pin configuration. Cross-reference the document revision date to ensure compliance with current RoHS standards and any recent design changes. Confirm that the supplier provides traceability documentation consistent with Texas Instruments quality requirements.

Current Regulation/Management Selection Notes

Select this component when designing systems requiring hot-swap capability with integrated reverse current blocking in a compact footprint. It is appropriate for applications needing adjustable current limiting without external sense resistors. Consider the 20-WQFN package for thermal performance and board space constraints. Evaluate the 2.7 V to 18 V input range compatibility with existing bus voltages. Compare against lower-current variants if the 5 A capacity exceeds actual load demands to optimize cost and size.

Current Regulation/Management Part Context

This device belongs to the TPS2594xA series of high-side switches designed for PCI Power Management applications. It integrates power MOSFETs with control logic to provide comprehensive circuit protection. The series is engineered for high-reliability environments where uninterrupted operation and rapid fault recovery are critical. It complements other PMIC solutions by offering dedicated channel protection for high-current data buses and peripheral interfaces.

Current Regulation/Management Replacement Considerations

Public confirmed substitute part numbers: TPS25944ARVCT