Patent Number: 6,674,271

Title: Power supply control apparatus and method thereof

Abstract: An apparatus for controlling power and reducing power consumption in asystem including a switching mode power supply. (SMPS), and a methodthereof. The apparatus includes a switch that is set to an ON state when auser contacts the switch, a detection portion connected in parallel withthe switch and detecting whether a signal for requiring a predeterminedoperation is applied to the system from outside, and a power supplyportion supplying the power to each part in a system when the switch isset to the ON state or the signal is input from the detection portion. Thepower supply portion terminates the power to each part in the systemincluding the system controller when a power off signal is applied fromthe system controller when the switch is set to an OFF state and whensignal is not input from the detection portion.

Inventors: Choo; Jong-yang (Seoul, KR), Kwon; Joong-gi (Gyeonggi-do, KR), Cho; Jong-hwa (Gyeonggi-do, KR), Ryu; Han-chung (Gyeonggi-do, KR)


International Classification: H02M 3/24 (20060101); H02M 3/335 (20060101); G05F 001/40 (); H02M 003/335 ()

Expiration Date: 01/02016