Auxiliary power supply and user device including the same

摘要

A user device is provided. The device includes a main power supply, and an auxiliary power supply. The main power supply provides a main power. The auxiliary power supply cuts off the main power according to a power level of the main power supply and provides an auxiliary power upon Sudden Power-Off (SPO).

主权项

1. A solid state drive, comprising:
a memory system, the memory system including at least one memory; a controller configured to control the memory system; an auxiliary power system configured to provide auxiliary power to at least the memory system of the solid state drive, the auxiliary power system including,
a first one directional device configured to only permit current to flow there through in a first direction, the first direction being from an external main power supply to the memory system,an auxiliary power source, anda second one directional device configured to only permit current to flow there though in a second direction, the second direction being from the auxiliary power source to the memory system.