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TPS2490, TPS2491
SLVS503F – NOVEMBER 2003 – REVISED FEBRUARY 2020
TPS249x Positive High-Voltage Power-Limiting Hot Swap Controller
1 Features
•1 Programmable Power Limiting and Current Limiting for Complete Safe Operating Area (SOA) Protection
• Wide Operating Range: 9 V to 80 V • Latched Operation (TPS2490) and Automatic
Retry (TPS2491) • High-Side Drive for Low-RDS(on) External N-
channel 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 VSSOP Package • Calculator Tool Available (TPS2490/91 Desi