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The TPS259814LRPWR is a highly integrated, precision electronic fuse from Texas Instruments' TPS25981x family. Utilizing high-side current sensing, it monitors and controls load current on a 2.7V to 16V input voltage path, with a maximum continuous current of 10A. It integrates programmable current limiting, fast overcurrent protection, overvoltage/undervoltage lockout, and thermal shutdown. Designed to replace traditional fuses and discrete protection circuits, it provides robust and intelligent point-of-load protection for servers, industrial equipment, network communications, and battery-powered systems.
Category:Integrated Circuits (ICs);Power Management (PMIC);Current Regulation/Management
Manufacturer:Texas Instruments
Series:TPS25981x
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Function:Electronic Fuse
Sensing Method:High-Side
Accuracy:±10%
Voltage - Input:2.7V ~ 16V
Current - Output:10A
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:10-VFQFN
Supplier Device Package:10-VQFN-HR (2x2)
Programmable Accurate Current Limiting:The current limit threshold can be precisely set via an external resistor (±10% accuracy), offering predictable and resettable overload protection, eliminating maintenance hassles associated with one-time-blow fuses.
Fast Overcurrent Response:Features extremely fast overcurrent turn-off response, quickly cutting off the path during a short circuit or severe overload to effectively protect both upstream power sources and downstream loads.
Comprehensive Voltage Monitoring & Protection:Integrated input overvoltage and undervoltage lockout prevents the system from operating under abnormal supply conditions, enhancing overall system reliability.
Advanced Power Management & Thermal Protection:Built-in thermal shutdown automatically disconnects the load upon overheating. It also includes programmable inrush current control for smooth load turn-on, preventing current spikes.
Compact, High-Power-Density Package:Housed in a small 10-pin VQFN-HR (2mm x 2mm) package, it delivers up to 10A current handling capability within a minimal PCB footprint.
Status Indication & Flexible Control:Provides a fault status indicator pin and supports enable control, facilitating system diagnostics and remote power management.
Server & Data Center Power Distribution:Protects the power input of server motherboards, SSDs, memory modules, and other sub-cards, providing inrush current control and fault isolation during hot-swap events.
Industrial Automation & Control Systems:Provides independent, resettable overcurrent protection for various functional modules on 12V or 24V power buses within PLCs, industrial PCs, and motor drives.
Network Communication & Storage Equipment:Protects power paths for hard disk drives, fan modules, and interface boards in routers, switches, base stations, and NAS devices.
Battery-Powered Devices & Portable Tools:Used on the battery output of high-current devices like drones, robots, and professional power tools to prevent hazards caused by short circuits or motor stall.
Automotive & In-Vehicle Electronic Auxiliary Systems:Suitable for power protection in automotive ECUs such as those for ADAS and infotainment control units, meeting the demanding requirements of vehicle electrical environments.
The TPS259814LRPWR is a powerful, highly integrated electronic fuse solution. It masterfully combines precise current management, fast fault protection, comprehensive monitoring features, and a compact form factor. It delivers intelligent, manageable, and highly reliable point-of-load protection far superior to traditional fuses for modern electronic systems. Whether aiming to enhance system robustness, simplify maintenance, or implement sophisticated power management, it is a critical component widely used across various fields, from cloud computing infrastructure to mobile smart devices.
Industry Information
