The MPQ5072 is a programmable load switch that provides 1A of load protection across a 0.5V to 5.5V voltage range. With low RDS(ON) in a tiny package, The MPQ5072 provides a highly efficient, space-saving solution for notebooks, tablets, and other portable device applications.
The MPQ5072’s soft start (SS) function avoids inrush current during circuit start-up. The MPQ5072 also provides a programmable softstart time, output discharge functions, overcurrent protection (OCP), and thermal shutdown.
The maximum load at the output source is current-limited, which is accomplished by utilizing a sense FET topology.
The magnitude of the current limit is controlled by an external resistor from the ILIM pin to ground (GND).
An internal charge pump drives the power device gate, allowing a low on resistance DMOS power FET of 50mΩ.
The MPQ5072 is available in a tiny, space-saving QFN-12 (2mmx2mm) package.
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