Active production — design-in ready
The TPS259270DRCR: ROHS3 compliant per the manufacturer, which covers the EU RoHS exemption list through 2024.
Input range and load protection envelope
The TPS259270DRCR is an electronic fuse (eFuse) that integrates the pass FET, current-sense, and fault-handling into a single 10-VSON (3x3) package — no external sense resistor or driver FET needed. Input voltage range is 4.5 V to 18 V, which covers the common 5 V and 12 V rails with margin for transients — the absolute maximum rating will be higher, but stay inside the 18 V operating ceiling. Continuous output current is rated 5 A; the ±8 % accuracy on the current-limit threshold means a 5 A setpoint could trip as low as 4.6 A or as high as 5.4 A — budget the low side when sizing for the load.
Package and thermal interface
The 10-VFDFN Exposed Pad package (supplier device package 10-VSON, 3 mm × 3 mm) has a thermal pad underneath that must be soldered to a PCB copper plane — the datasheet's thermal impedance figures assume a proper via array to an inner-layer ground pour. Cut Tape suits prototype or low-volume builds.