TPS2491DGS Datasheet

Hot Swap & Power Distribution


The TPS2491DGS are easy-to-use, positive high voltage, 10-pin Hot Swap Power Manager™ devices that safely drive an external N-channel MOSFET switch. The power limit and current limit (both are adjustable and independent of each other) ensure that the external MOSFET operates inside a selected safe operating area (SOA) under the harshest operating conditions. Applications include inrush current limiting, electronic circuit breaker protection, controlled load turn-on, interfacing to down-stream dc-to-dc converters, and power feed protection. These devices are available in a small, space-saving 10-pin MSOP package and significantly reduce the number of external devices, saving precious board space. The TPS2491DGS is supported by application notes, an evaluation module, and a design tool. TPS2491DGS Features • Programmable Power Limiting and Current Limiting for Complete SOA Protection • Wide Operating Range: +9 V to +80 V • Latched Operation (TPS2490) and Automatic Retry (TPS2491) • Base Stations• High-side Drive for Low-RDS(on) External Nchannel MOSFET• Programmable Fault Timer to Protect the MOSFET and Eliminate Nuisance Shutdowns• Power Good Open-Drain Output for Downstream DC/DC Coordination• Enable can be used as a Programmable Undervoltage Lockout or Logic Control• Small, Space-saving 10-pin MSOP Package• Calculator Tool Available (SLVC033) TPS2491DGS applications • Server Backplanes• Storage Area Networks (SAN)• Medical Systems• Plug-in Modules


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Manufacturer information

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